314 



COLUBHID.*:. 



113. QEOPHIS. 



( 'atostoma (won Lesueur), Wagler, Syst. Amph. p. 194 (1830). 

 Geophis, Wagler, I. c. p. 342 ; Bocourt, Miss. tic. Mex., Kept. p. 628 



(1883). 

 Rabdosoma, part., Dum. # Bibr. Erp. Gin. 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. U23. 

 Elapoides, part., Jan, 1. c. p. 20. 

 Colophrys, Cope, Proc. Ac. Philad. 1868, p. 130. 

 Parageophis, Bocourt, I. 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 prseocular, loreal and prsefrontal 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 ; subcaudals 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. poeppiyii, p. 316. 



