. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Geodipsas (Colubridae) from Madagascar • Cadle 47. Figure 6. Ventral views of the holotype (top; MCZ 181161) and male paratype (bottom; BMNH 95. 1. 29. 62) of Geodipsas zeny. Tfie wide midventral stripe extending tfie lengtfi of the body appears to be diagnostic of this species (cf. Geodipsas infralineata, Fig. 11). Description. Measurements, propor- tions, and scutellation for the 3 known speciinens are suininarized in Table 1; the specimens are identified in the following description as "MCZ" and "BMN
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Geodipsas (Colubridae) from Madagascar • Cadle 47. Figure 6. Ventral views of the holotype (top; MCZ 181161) and male paratype (bottom; BMNH 95. 1. 29. 62) of Geodipsas zeny. Tfie wide midventral stripe extending tfie lengtfi of the body appears to be diagnostic of this species (cf. Geodipsas infralineata, Fig. 11). Description. Measurements, propor- tions, and scutellation for the 3 known speciinens are suininarized in Table 1; the specimens are identified in the following description as "MCZ" and "BMNH" un- less individual identity is necessary. Larg- est male (MCZ 181161), 281 mm total length, 53 mm tail length; female, 272 mm total length, 42 mm tail length. Tail length 18-19% of total length in males, 15% in female. Body sfightly higher than wide; ventrolateral edge of body angulate. Head slightly wider than neck. Pupil subcircular (prolate; see Discussion). Dorsal scales smooth, lacking apical pits, in 19-19-17 rows. Posterior dorsal scale reduction by loss of row 4 at the level of ventrals 91-105 (N = 5 sides). Ventrals 135—137 in males, 132 in female; preceded by 1 or 2 preventrals. Anal plate single. Subcaudals 41 in males, 35 in female. Loreal rectangular to pentagonal, usu- ally higher than wide, separated from eye by single preocular. Two postoculars; tem- porals 1 + 2. Supralabials 7-7 with 3-4 touching eye. Infralabials 7-9, the first pair in contact behind the mental, 1^ (MCZ specimens) or 1—3 (BMNH) touching an anterior genial, 4-5 (MCZ) or 3-4 (BMNH) touching a posterior genial. An- terior genials shorter than (MCZ 181161, BMNH) or approximately equal to (MCZ 181162) posterior genials. Head plates smooth, apparently without pits or tuber- cles. Dentition. Maxillary teeth 15 + 2 (N = 2). Diastema about the width of the posteriormost solid maxillary tooth. The fangs are deeply grooved, about twice as large as the posteriormost solid teeth, and
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