ol4 COLUBRID”. 
‘113. GEOPHIS. 
Catostoma (non Lesueur), Wagler, Syst. Amph. p. 194 (1880). 
Geophis, Wagler, 1. c. p. 342; Bocourt, Miss. Sc. Mex., Rept. p. 528 
(1883). 
Rabdosoma, part., Dum. § Bibr. Erp. Gén. vii. p. 91 (1854) ; Giinth. 
Cat. Col. Sn. p. 10 (1858); Jan, Arch. Zool. Anat. Phys. ii. 1862, 
p- 10. 
Colobognathus, Peters, Mon. Berl. Ac. 1859, p. 275. 
Geophidium, Peters, Mon. Berl. Ac. 1861, p. 923. 
Elapoides, part., Jan, l. e. p. 20. 
Colophrys, Cope, Proc. Ac. Philad. 1868, p. 130. 
Parageophis, Bocourt, 1. c. p. 534. 
Maxillary short, with 7 to 12 small, equal teeth; mandibular 
teeth subequal. Head small, not distinct from neck; eye small, 
with round or vertically subelliptic pupil; nostril between two 
nasals ; no preocular, loreal and prefrontal entering the eye; 
internasals and supraoculars present or absent ; parietals in contact 
with labials. Body cylindrical; scales smooth or keeled, without 
apical pits, in 15 or 17 rows; ventrals rounded, Tail moderate or 
short ; subcandals in two rows. 
Central and South America. 
Fig. 23. 
Skull of Geophis semidoliatus. 
Synopsis of the Species. 
I. A single pair of chin-shields ; scales in 15 rows; ventrals 170. 
1. poeppigit, p. 816. 
Pace, ; 
eS 
