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Fig. 25 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 25. Detail of the anterior orbital region in (A) Marmosops parvidens and (B) M. pinheiroi based on the same specimens as in figures 22 and 23. In M. parvidens the lacrimal bone does not form a large part of the orbital margin, and the lacrimal foramina are concealed from lateral view inside the orbit. In M. pinheiroi the lacrimal bone forms a larger part of the orbital margin, and the lacrimal foramina (lf) are laterally exposed.
Fig. 44 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 44. Outlines of nasal bones in typical examples of Nectomys palmipes (top row) and N. melanius (bottom row). Whereas the nasals are abruptly constricted behind the premaxillaryfrontal suture in N. palmipes, these bones are moreorless evenly tapered throughout their length in N. melanius. Although atypical morphologies occur uncommonly in both species, this character is useful for taxonomic identifications when used in combination with other cranial traits (table 24; figs. 45–47).
Fig. 27. Known collection localities for Marmosops parvidens and M in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 27. Known collection localities for Marmosops parvidens and M. pinheiroi based on specimens examined. 1, BRAZIL, Amapa´, Serra do Navio; 2, BRAZIL, Amazonas, Boca Rio Piratucu; 3, BRAZIL, Amazonas, 80 km N Manaus; 4, BRAZIL, Para´, Belém and Utinga; 5, BRAZIL, Para´, Ilha do Taiuna; 6, FRENCH GUIANA, Arataye; 7, FRENCH GUIANA, Paracou; 8, GUYANA, DemeraraMahaica, Hyde Park; 9, GUYANA, PotaroSiparuni, Iwokrama Reserve; 10, Upper TakutuUpper Essequibo, Karanambo; 11, VENEZUELA, Bolívar, Auyantepui; 12, VENEZUELA, Bolívar, Churitepui; 13, VENEZUELA, Bolívar, 85 km SE El Dorado. One collection locality for Marmosops pinheiroi (Belém/ Utinga, in the Brazilian state of Para´) lies just outside the right margin of this map.
Fig. 46 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 46. Lateral views of the rostrum in Nectomys palmipes (A, AMNH 174241) and N. melanius (B, USNM 560824). In N. palmipes, the nasolacrimal capsule (nlc) is mostly obscured in lateral view by the very broad zygomatic plate (zp), but the nasolacrimal capsule is mostly exposed anterior to the narrower zygomatic plate of N. melanius.
Fig. 60 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 60. Known collection localities for Oecomys rutilus based on specimens examined. 1, BRAZIL, Amazonas, 80 km N Manaus; 2, French Guiana, Cacao; 3, FRENCH GUIANA, Les Nouragues; 4, FRENCH GUIANA, Paracou; 5, FRENCH GUIANA, St.Eugène; 6, GUYANA, CuyuniMazaruni, Kartabo; 7, GUYANA, Upper DemeraraBerbice, Dubulay Ranch; 8, GUYANA, Upper Demerara Berbice, 18 mi SW Kwakwani; 9, GUYANA, Upper DemeraraBerbice, Tropenbos; 10, SURINAM, Suriname, Carolinakreek; 11, VENEZUELA, Bolívar, San Ignacio Yuruanı´.
Fig. 63 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 63. Diurnal refuge of Rhipidomys nitela at Paracou. Specimens were collected in 1992 and 1993 from the dark internal cavity (arrow) of this large kimboto (Sapotaceae: Pradosia cochlearia), a canopy emergent in welldrained primary rainforest.
Fig. 52 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 52. Dorsal and ventral views of one of several pseudothelphusid crab carapaces found near small streams at Paracou. Patterns of breakage along the posterior and ventrolateral margins of this example match those observed on the carapaces of likesized pseudothelphusids eaten by captive ichthyomyines (Voss et al., 1982: fig. 3). Such remains provided the first evidence that ichthyomyines were resident in our study area, an inference subsequently confirmed by trapped specimens of Neusticomys oyapocki. Both views about 2Χ.
Fig. 24 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 24. Specimen scores of adult male Marmosops parvidens (C) and M. pinheiroi (c) on the first two principal components extracted from the covariance matrix of eight logtransformed craniodental measurements (see text). Variable coefficients and eigenvalues (scaled as percentages of the total variance in these data) are provided in table 8.
Fig. 23 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 23. Lateral views of crania and mandibles of (A) Marmosops parvidens and (B) M. pinheiroi based on the same specimens as in figure 22. Note the smaller upper canine of M. parvidens. The premolariform lower canines (forming a continuous series of four subequal teeth with p1–3) distinguish both species from other sympatric marmosines.
Fig. 9 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 9. Aquatic habitat of Chironectes minimus in primary forest at Paracou. Water opossums were encountered almost every night that we worked near such small streams, most of which were less than 2 m wide and 50 cm deep. Streams frequented by C. minimus at Paracou had clear teacolored (black) water and flowed slowly over mostly sandy beds. Other nocturnal vertebrates encountered in the same streams included potential predators such as caimans (Paleosuchus sp.) and anacondas (Eunectes murinus).
Fig. 13. Secondary growth bordering a in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 13. Secondary growth bordering a narrow dirt road through our study area at Paracou. Our only specimen of Gracilinanus emiliae was taken in this habitat, but primary forest occurs only a few meters away and it is not known which successional stage is typical of this rarely collected species. More commonly encountered inhabitants of secondary growth at Paracou include Didelphis marsupialis, Marmosa murina, Micoureus demerarae, Philander opossum, Dasypus novemcinctus, Saguinas midas, Potos flavus, Neacomys paracou, Oligoryzomys fulvescens, Oryzomys megacephalus, and Proechimys cuvieri.
Fig. 14 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 14. Known collection localities of Hyladelphys kalinowskii based on specimens examined. 1, FRENCH GUIANA, Paracou; 2, Guyana, East BerbiceCorentyne, New River Falls; 3, PERU, Cuzco, Hacienda Cadena; 4, PERU, Junín, Chanchamayo; 5, PERU, Loreto, Nuevo San Juan on Río Gálvez.
Fig. 1 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 1. Map of French Guiana showing the location of our study site at Paracou in relation to other places mentioned in the text. Localities that we could not associate with unique geographic coordinates (e.g., ''Rivière Approuague'') are not shown. One degree of latitude or longitude is approximately equal to 110 km.
Fig. 2 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 2. Trail through welldrained primary forest sampled by trapping and hunting at Paracou. Most traps were set within a few meters of such narrow paths, which do not materially alter the habitats they traverse.
Fig. 5 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 5. Arboreal platform trap assembly in place at Paracou. Modified from Malcolm's (1991) basic design, each trap assembly consisted of one folding wire Tomahawk trap and a piggybacked folding aluminum Sherman trap. Both are visible in this photograph, which resembles the perspective of an observer on the ground checking the traps with binoculars. Six species of marsupials and rodents were taken with this equipment, at heights ranging from 7.2 to 16.7 m above the ground.
Fig. 17 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 17. Lateral and occlusal views of the left upper postcanine dentition of juvenile Hyladelphys kalinowskii (A, B, MUSM 11031) and Gracilinanus emiliae (C, D, USNM 385066) showing taxonomic differences in size and shape of the deciduous third premolar (dP3, arrows; see text). The fourth upper molar is unerupted in this example of H. kalinoswkii and incompletely erupted in G. emiliae.
Fig. 20 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 20. Sexually dimorphic wrist morphology of members of the Marmosops parvidens species group. Adult males (left) possess an externally obvious lateral carpal tubercle that is supported internally by an enlarged pisiform bone (arrows); females (right) do not show this character (see Lunde and Schutt, 1999, for further details). Marmosops parvidens and M. pinheiroi, both members of the Paracou fauna, have similar wrist morphologies, but males of other taxa referable to the M. parvidens species group (e.g., M. juninensis, see text) differ in the size and shape of the lateral carpal tubercle. Illustrated specimens are examples of Marmosops pinheiroi from Paracou: top and bottom left, AMNH 267346; top and bottom right, AMNH 267342.
Fig. 19 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 19. Crosssections and dorsal views of the interorbital regions of some Paracou marsupials: (A) Marmosops pinheiroi (AMNH 267341), (B) Hyladelphys kalinowskii (AMNH 267339), (C) Marmosa murina (AMNH 267368). Whereas the interorbital region of Marmosops parvidens is ''hourglassshaped'' in dorsal view and has moreorless rounded supraorbital margins, the interorbital region is ''convergent'' in Hyladelphys kalinowskii and has welldeveloped supraorbital beads. Adult specimens of Marmosa murina are characterized by large, triangular postorbital processes. All scale bars = 5 mm.
Fig. 18 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 18. Lateral and occlusal views of the left lower postcanine dentitions of juvenile Hyladelphys kalinowskii (A, B, MUSM 11031) and Gracilinanus emiliae (C, D, USNM 385066) showing taxonomic differences in the size and shape of the deciduous third premolar (dp3, arrows; see text).
Fig. 7 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 7. Dorsal and ventral views of the skull, and occlusal view of the maxillary dentition of Marmosa murina, showing the anatomical limits of marsupial measurements defined in the text.
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