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Fig. 34 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 34. Habitat of Prosciurillus murinus in upper montane rain forest on Gunung Nokilalaki, 2200 m. The tree squirrel, Prosciurillus topapuensis, and ground squirrel, Hyosciurus heinrichi, also live here. See table 2 for range of ambient temperatures recorded during the sampling period. Photographed in 1975.
Fig. 33 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 33. Habitat of Prosciurillus murinus in tropical lowland evergreen rain forest at Kuala Navusu, 100 m. The large-bodied Rubrisciurus rubriventer and smaller-bodied Prosciurillus alstoni were encountered in the same forest. This habitat is similar to that south of Kuala Navusu along the Sungai Tolewonu where the same two species, along with the ground squirrel Hyosciurus ileile, were caught. Photographed in 1975.
Fig. 32 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 32. Specimen scores representing seven population samples of Prosciurillus murinus projected onto the first and second principal components extracted from principal-components analysis. Symbols identifying samples are: filled circle 5 northeastern peninsula (Teteamoet, Gunung Klabat, Temboan; N 5 7); X 5 Pulau Lembeh (N 5 4); cross 5 northern peninsula east of the Minahasa region (Sungai Paleleh, Bumbulan, Ile-Ile; N 5 9); filled upright triangle 5 Gunung Lehio (N 5 1); filled inverted triangle 5 north-central 1 (Sungai Oha Kecil, Sungai Miu, Sungai Sadaunta, Tomado, Kulawi; N 5 18); filled leftpointing triangle 5 Rano Rano (N 5 2); filled right-pointing triangle 5 north-central region 2 (Pinedapa, Kuala Navusu, Sungai Tolewonu; N 5 16). Heavy arrows identify holotypes: e, evidens; n, necopinus. Delicate arrows identify scores representing four AMNH specimens from Bumbulan, which were collected by J. J. Menden between October 10 and 25, 1939. Two others from Menden's sample, collected on October 24, 1939, are in MZB and Sody (1949: 77) had designated one of these as the holotype of ''Sciurillus murinus griseus'' (the holotype is currently stored in RMNH). Musser determined that the two MZB specimens were inseparable in pelage coloration and general external and cranial morphology from the AMNH series, but did not measure them. See table 40 for correlations and percent variance.
Fig. 30 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 30. Collection localities for samples of Prosciurillus murinus and P. abstrusus. Numbers key to localities described in the gazetteer where specimens are identified by museum initials and catalog numbers. The inset map, right (rectangle in larger map, above), contains collection localities (17–36) for P. murinus, which are scattered along Musser's transect from the Sungai Oha Kecil to the higher ramparts of Gunung Nokilalaki. The dashed contour line at 1300 m marks the approximate boundary between tropical lowland evergreen rain forest and tropical lower montane forest.
Fig. 25 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 25. Specimen scores representing population samples of Prosciurillus topapuensis and P. weberi (star, N 5 5) projected onto the first and second principal components extracted from principalcomponents analysis. Symbols identifying samples of P. topapuensis are: filled circle 5 Rano Rano (N 5 11); x 5 Besoa-Lindu trail (N 5 5); cross 5 Gunung Lehio (N 5 9); filled upright triangle 5 Gunung Kanino (N 5 5); filled inverted triangle 5 Sungai Miu and Sungai Sadaunta (N 5 9); filled left-pointing triangle 5 Pegunungan Latimojong (N 5 11). Arrow identifies score for the lectotype of weberi. See table 28 for correlations and percent variance.
Fig. 27 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 27. Habitat of Prosciurillus topapuensis in lower montane rain forest on Gunung Kanino, 1440 m. The large, darker tree in the center of the photograph is the oak Lithocarpus glutinosus. Prosciurillus murinus and Rubrisciurus rubriventer occupy this forest as does the ground squirrel Hyosciurus ileile. This elevation is close to the upper altitudinal limits of R. rubriventer and H. ileile. See table 2 for the range of ambient temperatures recorded during the sampling period. Photographed in 1975.
Fig. 26 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 26. Specimen scores representing six population samples of Prosciurillus topapuensis projected onto the first and second principal components extracted from principal-components analysis. Symbols identifying samples are: filled circle 5 Rano Rano (N 5 11); x 5 Besoa-Lindu trail (N 5 5); cross 5 Gunung Lehio (N 5 9); filled upright triangle 5 Gunung Kanino (N 5 5); filled inverted triangle 5 Sungai Miu and Sungai Sadaunta (N 5 9); filled left-pointing triangle 5 Pegunungan Latimojong (N 5 11). A: All cranial and dental variables are represented, but holotypes of topapuensis and hirsutus are excluded. See table 29 for correlations and percent variance. B: Includes the holotypes of topapuensis (''t'' and filled square) and hirsutus (''h'' and filled right-pointing triangle) but because these specimens are damaged only 11 cranial and dental variables could be employed. See table 30 for correlations and percent variance.
Fig. 28 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 28. Collection localities for samples of Prosciurillus rosenbergii in the Sangihe Archipelago (Kepulauan Sangihe) north of mainland Sulawesi's northeastern tip. Samples come from Pulau Sangihe, Pulau Siau, and Pulau Tahulandang and the nearby Pulau Ruang. Prosciurillus rosenbergii is the only squirrel ever collected in this group of islands and occurs nowhere else. To the south, off the northeastern tip of Sulawesi's northern peninsula, P. murinus, which is found throughout the mainland, has been collected on Pulau Talisei and Pulau Lembeh, and P. leucomus, ranging over the northern peninsula, is recorded from P. Lembeh (see gazetteers for these two species).
Fig. 24 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 24. Specimen scores representing population samples of Prosciurillus topapuensis from the central core of the island (empty triangle, N 5 50) and P. leucomus from the northern peninsula (filled diamond, N 5 26) projected onto the first and second principal-components extracted from principal-components analysis. The ellipses outline 95% confidence limits for the specimen scores forming each cluster. Equations for the regression lines are: P. leucomus, Y 5 0.621X20.120 (F 5 22.07, P 5,0.01); P. topapuensis, Y 5 0.222X+0.038 (F 5 9.25, P 5,0.01). The Y-intercepts of each regression line of the second principal component on the first component are significantly different (20.120 versus +0.038; F 5 28.31, P 5,0.001). See table 27 for correlations and percent variance.
Fig. 14 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 14. Side views of the skulls, along with mandibles, exhibited in figures 12 and 13. Top row, left to right: Prosciurillus alstoni and P. topapuensis. Bottom row, left to right: P. abstrusus and P. murinus.
Fig. 23. Hillside forest near Kuala Navusu, 60 m in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 23. Hillside forest near Kuala Navusu, 60 m. Aminudi is touching an Artocarpus sericarpus, one of the breadfruit species that is scattered through the forest on streamside terraces and lower margins of hillsides. The forest on hills tends to be shorter than the tall forest on the flats. The palm in the center of the photograph, Licuala rumphii, is common in the understory. Examples of Prosciurillus alstoni, P. murinus, and Rubrisciurus rubriventer were trapped here. Photographed in 1975.
Fig. 10 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 10. Reproduction of Meyer's (1898) color plate of ''Sciurus sarasinorum'' (5 Prosciurillus alstoni). The top portrait was rendered from the specimen collected at Mapane, the bottom from the squirrel obtained at Usu (see gazetteer and the account of P. alstoni).
Fig. 18 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 18. Specimen scores representing population samples of Prosciurillus leucomus from the northern peninsula (empty inverted triangle, N 5 26) and P. alstoni from the central core and southeastern peninsula (filled circle, N 5 63) projected onto the first and second principal components extracted from principal-components analysis. The ellipses outline 95% confidence limits for the specimen scores forming each cluster. Equations for the regression lines are: P. leucomus, Y 5 20.331X+0.068 (F 5 11.30, P 5,0.01); P. alstoni, Y 5 20.133X20.023 (F 5 3.42, P 5 0.059). Each regression line of the second principal component on the first component is clearly distinct from the other; while their Y-intercepts are significantly different (+0.068 versus 20.023; F 5 13.02, P 5 0.001), their slopes are not (20.331 versus 20.133F 5 2.53, P 5 0.12). See table 20 for correlations and percent variance.
Fig. 4 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 4. The Danau Lindu area. Where the Sungai Oha Kecil flows into the Sungai Miu at 290 m was Musser's lowest camp along his transect; the summit of Gunung Nokilalaki was the highest place he worked. Tropical lowland evergreen rain forest embraces the area from the Sungai Oha Kecil to the camp along the Sungai Tokararu at 1150 m. The camp at 1440 m was on a ridge, Gunung Kanino, in lower montane rain forest. The lower camp at 1150 m was at the western end and base of the ridge. The highest camp at 1700 m was situated on the flanks of Gunung Nokilalaki, which at higher altitudes was covered with upper montane rain forest. Prosciurillus topapuensis and P. murinus occurred throughout the forests from the lower camps to Gunung Nokilalaki, Rubrisciurus rubriventer was encountered through much of the same altitudinal range but not higher than Gunung Kanino. Both species of Hyosciurus were trapped in the area, H. ileile in the lowlands and H. heinrichi on the mountain; the elevational ranges of each species abut at Gunung Kanino.
Fig. 22 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 22. The habitat of Prosciurillus alstoni in tropical lowland evergreen rain forest on flat terrain near Musser's camp at Kuala Navusu, 30 m. The large tree is Dracontomelon dao, which emerges above the upper canopy layer, is scattered on flats and lower slopes of ridges, and is one of the largest trees in the forest. The tree photographed is about 150 ft high, 4 ft diameter just above the buttresses, and 10 ft across the bases of the buttresses. The tree squirrels Rubrisciurus rubriventer and Prosciurillus murinus were trapped in the same forest. Range of ambient temperatures recorded during the sampling period is listed in table 2. Photographed in 1975.
Fig. 7 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 7. Specimen scores representing five population samples of Rubrisciurus rubriventer projected onto the first and second principal components extracted from principal-components analysis. Symbols identifying samples are: filled triangle 5 northeastern peninsula (Rurukan, Temboan; N 5 2); star 5 northern peninsula (Bumbulan, Ile-Ile; N 5 5); filled circle 5 north-central region1 (Sungai Oha Kecil, Sungai Miu, Sungai Sadaunta, Tomado, Gunung Kanino, Kulawi; N 5 18); asterisk 5 north-region 2 (Kuala Navusu, Sungai Tolewonu; N 5 19); filled square 5 southeastern peninsula (Wawo, Masembo, Tanke Salokko; N 5 5). The score located farthest to the right in the ordination represents AMNH 224623, an especially large adult from Sungai Oha Kecil. Delicate arrows identify scores of four specimens from Gunung Kanino collected in lower montane forest, 1274–1418 m. Lettered arrows indicate scores for the specimen from Wawo (w) collected on the coastal plain at 50 m in tropical lowland evergreen rain forest and the squirrel from the inland mountains at Tanke Salokko (t) at 1400 m taken in lower montane forest; both places are in the southeastern peninsula of Sulawesi. See table 9 for correlations and percent variance.
Fig. 1 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 1. Diagrams (above and at right) of the cranium of an adult Hyosciurus heinrichi showing limits of cranial and dental measurements. Abbreviations are explained in the text.
Fig. 2 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 2. The Conibear (single spring #110) body-gripping trap, which was used by Musser to catch nearly all the squirrels he collected. These traps were baited with a mixture of peanut butter, raisins, oatmeal, and bacon, and set on tree trunks and limbs spanning streams and ravines, in the crowns of understory trees and on large woody vines, on top of rotting tree trunks and limbs lying on the forest floor, and in runways beneath tree trunks and decaying treefalls. Photographed by Darrin P. Lunde.
Fig. 21 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 21. Specimen scores representing population samples of Prosciurillus alstoni projected onto the first and second principal-components extracted from principal-components analysis. Symbols identifying samples are: filled circle 5 Pinedapa (N 5 19); filled triangle 5 Kuala Navusu and Sungai Tolewonu (N 5 32); cross 5 southeastern peninsula (Wawo, Masembo, Lalolei, Mowewe, Sungai Ahua; N 5 11); star 5 Mapane, lectotype of sarasinorum. Abbreviations: l 5 lectotype of mowewensis; p 5 paralectotype of mowewensis. See table 23 for correlations and percent variance.
Fig. 13 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice
Fig. 13. Ventral views of the skulls portrayed in figure 12. Prosciurillus alstoni and P. topapuensis are on top, P. abstrusus and P. murinus on the bottom.
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