. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. SlBYNOMORPHUS (COLUBRIDAE) IN PERU AND ECUADOR • Cadle 195 Table 2. Scale counts, measurements, and other data for specimens of Sibynomorphus oligozon- atus. Bilateral counts are separated by a solidus (left/right). SVL = snout-vent length. Brack- eted DATA FOR THE HOLOTYPE ARE FROM THE ORIGINAL DESCRIPTION (ORCES AND ALMENDARIZ, 1989) AND ARE GIVEN ONLY IN CASES OF DISCREPANCY FROM MY OWN DATA (SEE TEXT). EPN 3612 AMNH BMNH MUSM Holotype 110587 2192 Subadult (?) male Adult male Adult female Adu
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. SlBYNOMORPHUS (COLUBRIDAE) IN PERU AND ECUADOR • Cadle 195 Table 2. Scale counts, measurements, and other data for specimens of Sibynomorphus oligozon- atus. Bilateral counts are separated by a solidus (left/right). SVL = snout-vent length. Brack- eted DATA FOR THE HOLOTYPE ARE FROM THE ORIGINAL DESCRIPTION (ORCES AND ALMENDARIZ, 1989) AND ARE GIVEN ONLY IN CASES OF DISCREPANCY FROM MY OWN DATA (SEE TEXT). EPN 3612 AMNH BMNH MUSM Holotype 110587 2192 Subadult (?) male Adult male Adult female Adult male Total Length 351 (265) 446 (330) 550 (428) 462 (348) (SVL) (mm) [358 (273)] Tail length (mm) 86 [85] 116 122 114 Tail length/total length Maxillary teeth 12 13 12 15 Dorsal scales 15-15-15 15-15-15 15-15-15 15-15-15 Ventrals (+preventrals) 145 (+2) 145 ( + 1) 177 (+2) 163 (preventrals not [148; preventrals recorded not recorded] Subcaudals 66 [67] 68 66 68 Anal scale Single Single Single Single Preoculars (loreals) 0/0 (1/1) 0/0 (1/1) 0/0 (1/1) 0/0 (1/1) Postoculars 2/2 2/2 3/3 2/2 Temporals Primary 2/2 2/2 2/2 2/2 Secondary 3/3 3/3 3/4 3/3 Tertiary 3/3 3/3 [fragmented] ?/? Supralabials (touching 6 (3 + 4)/6 (3 + 4) 7 (4 + 5)/7 (4 + 5) 6 (3 + 4)/7 (3 + 4) 6 (3 + 4)/? (3 + 4) eye) Infralabials 10/9 [10] 10/10 10/10 ?/? of reproductive organs was not undertak- Figure 1. Sibynomorphus oligozonatus. Holotype in dorsal and ventral views (EPN 3612; Azuay Province, Ecuador). Sub- adult male, 265 mm SVL. New Material and Comparison of Specimens Referred to Sibynomorphus oligozonatus Sibynomorphus oligozonatus has previ- ously been known only from the holotype, EPN 3612. I refer three additional speci- mens to this taxon: AMNH 110587, BMNH , and MUSM 2192. I was able to make side-by-side compari- sons of BMNH and the ho- lotype and subsequently made side-by-side comparisons of AMNH 110587 and BMNH Later I deter
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