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138 results for “whiptail”
Fig. 29 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 29. Banding patterns illustrating the high polymorphism in PEPD and GPI. Left. Gel stained for PEPD, the most polymorphic of the loci examined. The gel shows six combinations of the five PEPD alleles. The a and balleles had the highest frequencies in punctilinealis; the callele was highest in marmoratus. Right. Gel stained for GPI. The a and balleles had their highest frequencies in marmoratus; the callele was most frequent in punctilinealis. As this analysis utilized hemolysates, hemoglobin appears as a cathodally migrating band. Arrows indicate sites of sample application; anode is to the right.
Fig. 37 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 37. Frequencies of the marmoratus body coloration characters at sites along the central transect (fig. 5). Site 26 was the center of the central hybrid zone in the genetic characters (fig. 31). Site 27 was not included because of crowding. Interpretation as in figure 36, with black spots representing samples in which all individuals were identical.
Fig. 31 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 31. Average frequencies of the marmoratus alleles at each of the four diagnostic loci and of the marmoratus mtDNA haplotype at sites along the central transect (fig. 5). The frequency change in the IDDH aallele, which occurs only in marmoratus, is also shown. The central hybrid zone was about 3.2 km wide, with the midpoint of gene exchange at site 26 (compare with fig. 40).
Fig. 36 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 36. Frequencies of the marmoratus body coloration characters at sites along the northern transect (fig. 4). Site 3 was the center of the northern hybrid zone in genetic characters (fig. 30). Vertical line represents range of data, thick bar the mean, black rectangle the 95% confidence interval.
Fig. 13 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 13. Habitats near the central transect (tables 2, 3; figs. 3, 5; appendix 1), between San Simon and Lordsburg, 22 August 1990. Top. Looking W at Steins Pass from the intersection of NM Hwy 80 and Hwy I10, Road Forks; grassland, with creosote desertscrub visible in the pass. Bottom. Looking NE at grassland and alkali flats in Animas Valley, from the same place as the top photograph.
Fig. 12 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 12. Habitats in the central transect (table 2; figs. 3, 5; appendix 1), between San Simon and Lordsburg, 22 August 1990. Top. Site 28, looking W at Steins Pass from NM Hwy 80 along the gas pipeline road; creosote desertscrub. Bottom. Looking E from site 28; grassland and alkali flats in near background.
Fig. 8 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 8. Habitats at collecting sites in the northern transect, Animas Valley, north of Lordsburg (table 2; figs. 3, 4; appendix 1), 22 August 1990. Top. Site 5, looking W from NM Hwy 464; mesquite grassland. Bottom. Site 6, looking W from NM Hwy 464.
Fig. 5 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 5. Top. The central hybrid zone (enlarged from fig. 3), with collecting sites numbered as in figure 4. Site 26 is the midpoint (50:50 point of gene exchange) in the transect (sites 20–30; table 2 appendix 1). Sites 23–25 are between sites 22 and 26, while site 27 is between sites 26 and 28. Note that site 30 comes before site 29 (reading left to right) in the transect from west to east. Bottom. The southern hybrid zone (enlarged from fig. 3), with collecting sites numbered as in figure 4. Site 42 is the midpoint (50:50 point of gene exchange) in the transect (sites 36–40, 42, 44, 46, and 48; table 2 appendix 1).
Fig. 10 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 10. Habitats near the northern transect (tables 2, 3; figs. 3, 4; appendix 1), Animas Valley, NW Lordsburg along NM Hwy 70, 2 September 1990. Top. Site 10, looking NNW; creosote desertscrub Bottom. Grassland and abrupt ecotone with creosote desertscrub (in near background), 32.1 km (by road) NW of Lordsburg, looking NNW; site 10 is 0.8 km to the NW.
Fig. 1 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 1. Geographic range of the western whiptail lizard, Cnemidophorus tigris sensu lato, in the continental southwestern United States and northern Mexico. Rectangle (SE Arizona and SW New Mexico) outlines the contact region (detailed in figs. 3–5) where C. t. punctilinealis interbreeds with C. t. marmoratus. Numbers designate collecting sites (appendix 2) for specimens additional to those obtained within the contact region (fig. 3; appendix 1).
Fig. 7 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 7. Habitats at collecting sites in the northern transect, Animas Valley, north of Lordsburg (table 2; figs. 3, 4; appendix 1), 22 August 1990. Top. Site 3, midpoint of the northern hybrid zone, looking E from NM Hwy 464. Bottom. Site 4, looking NW from NM Hwy 464; mesquite grassland.
Fig. 6 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 6. Habitats at collecting sites in the northern transect, Animas Valley, north of Lordsburg (table 2; figs. 3, 4; appendix 1), 22 August 1990. Top. Site 1, looking E from NM Hwy 464; riparian thornscrub. Bottom. Site 2, looking W from NM Hwy 464.
Fig. 11 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 11. Habitats near the northern transect (tables 2, 3; figs. 3, 4; appendix 1), Animas Valley, NW of Lordsburg along NM Hwy 70, 2 September 1990. Top. Grassland about halfway between sites 10 and 13, at 27.9 km (by road) NW Lordsburg, looking N. Bottom. Site 14, looking WSW.
Fig. 4 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 4. The northern hybrid zone, with collecting sites numbered (enlarged from fig. 3). Transect sites are numbers within squares (1–7), but the midpoint (50:50 point of gene exchange) is within a diamond (site 3). Associated sites are numbers in circles (table 2; appendix 1).
Fig. 9 in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 9. Habitats at collecting sites in the northern transect and near an associated site, Animas Valley north of Lordsburg (tables 2, 3; figs. 3, 4; appendix 1), 22 August 1990. Top. Site 7, looking W from NM Hwy 464. Bottom. Abrupt ecotone of mesquite grassland and creosote desertscrub (in near background), 5.8 km (by road) W of site 3, looking NW. Site 8 is 0.3 km off the left side of the photo.
FIGURE 1. Scatterplots from multivariate statistical analyses. Ellipses define the 95 in Morphological Variation in a Unisexual Whiptail Lizard (Aspidoscelis exsanguis) and One of Its Bisexual Parental Species (Aspidoscelis inornata) (Reptilia: Squamata: Teiidae): Is the Clonal Species Less Variable?
FIGURE 1. Scatterplots from multivariate statistical analyses. Ellipses define the 95% confidence limits of score distributions. A. Principal component scores of 14 field A. exsanguis, 42 laboratory A. exsanguis of two lineages pooled, and 19 field A. inornata. Axis percentages reflect variance explained by PC1 and PC2 (table 5). B. Canonical variate scores of the same specimens as in A. Axis percentages are relative contributions of CV1 and CV2 to the discrimination (table 5).
FIGURE 5 in Comparative Meristic Variability in Whiptail Lizards (Teiidae, Aspidoscelis): Samples of Parthenogenetic A. tesselata Versus Samples of Sexually Reproducing A. sexlineata, A. marmorata, and A. gularis septemvittata
FIGURE 5. Pattern of meristic variation between parthenogenetic Aspidoscelis tesselata E (○) and gonochoristic A. marmorata (□) depicted by the projection of principal component scores on PC1 and PC2 axes: A. Arroyo del Macho, Chaves County, New Mexico (N = 38 and N = 29, respectively); B. vicinity of Engle, Sierra County, New Mexico (N = 30 and N = 33, respectively). Percentages represent the proportion of meristic variation summarized by each principal component, and ellipses define the 95% confidence limits for score distributions.
FIGURE 3 in Comparative Meristic Variability in Whiptail Lizards (Teiidae, Aspidoscelis): Samples of Parthenogenetic A. tesselata Versus Samples of Sexually Reproducing A. sexlineata, A. marmorata, and A. gularis septemvittata
FIGURE 3. Pattern of meristic variation between parthenogenetic Aspidoscelis tesselata C (○) and gonochoristic A. sexlineata (◊): A. southeastern Colorado (N = 31 for each sample); B. Conchas Lake, New Mexico (N = 30 and N = 31, respectively). Percentages represent the proportion of meristic variation summarized by each principal component, and ellipses define the 95% confidence limits for score distributions.
FIGURE 2 in Comparative Meristic Variability in Whiptail Lizards (Teiidae, Aspidoscelis): Samples of Parthenogenetic A. tesselata Versus Samples of Sexually Reproducing A. sexlineata, A. marmorata, and A. gularis septemvittata
FIGURE 2. Representative specimens used in this study. Southeastern Colorado: A. Aspidoscelis tesselata C (RU 0198; 93 mm SVL); B. A. sexlineata (RU 0334; ♂, 71 mm SVL). Conchas Lake, New Mexico: C. A. tesselata C (RU 0003; 86 mm SVL); D. A. sexlineata (GM 236 [UADZ 7405]; ♀, 61 mm SVL).
FIGURE 4 in Comparative Meristic Variability in Whiptail Lizards (Teiidae, Aspidoscelis): Samples of Parthenogenetic A. tesselata Versus Samples of Sexually Reproducing A. sexlineata, A. marmorata, and A. gularis septemvittata
FIGURE 4. Representative specimens used in this study. Engle, New Mexico: A. Aspidoscelis tesselata E (RU 9546; 87 mm SVL); B. A. marmorata (RU 9262; ♀, 84 mm SVL). Arroyo del Macho, New Mexico: C. A. tesselata E (RU 0228; 84 mm SVL); D. A. marmorata (RU 0390; ♀, 79 mm SVL). Presidio County, Texas: E. A. gularis septemvittata (UADZ 8115; ♂, 90 mm SVL).
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