4., HTPOGEOPHIS. 5. DEEMOPHIS. 97 



narrowed, acuminate, prominent, its length slightly more than the 

 distance between the eyes ; latter rather indistinct ; tentacle below 

 and behind the nostril, much nearer the latter than the eye. Body 

 short ; 100 circular folds, the anterior 40 interrupted on the dorsal 

 and ventral lines, the others complete. Tail indistinct, rounded. 

 Uniform olive-brown. Total length 260 millim. ; greatest diameter 

 of body 11 millim. 

 Zanzibar. 



a. Adult. Zanzibar. Capt. J. E. Parish, R.N. [P.]. 



h-g. Young, with spiracula. Zanzibar. Sir J. Kirk [C.]. 



3. Hypogeophis seraphini. 



Ccecilia seraphim, A. Bum. Arch, du Mas. x. p. 222, and Mem. Soe. 



Cherb. ix. p. 314. 

 Hypogeophis seraphim, Peters, Mon. Berl. Ac. 1879, p. 937. 

 Geotrypetes seraphini, Peters, Sitzb. Oes. naturf. Fr. 1880, p. 55. 



Teeth rather large, subequal, numerous in inner mandibulary row. 

 Snout moderately prominent, rounded, slightly longer than the 

 distance between the eyes ; latter visible ; tentacle near the lip, not 

 far beyond the vertical of the nostril. Body moderately elongate ; 

 120 circular folds, the hindermost only complete, those on the an- 

 terior two thirds of the body interrupted on the dorsal and ventral 

 lines, the remainder interrupted inferiorly. Tail indistinct, obtusely 

 conical. Dark brown, the folds yellowish. Total length 195 

 millim. ; greatest diameter of body 6 millim. (Dumeril gives 280 

 and 8 as the measurements of the adult.) 



West Africa. 



a. Hgr. Lagos. 



5. DERMOFEIS. 



Siphonops, sp., Dum. Sr Bibr. viii. p. 281 ; Gray, Cat. p. 59 ; A. 



Bum,. M&m. Soc. Cherb. ix. p. 317. 

 Dermophis, Peters, Mon. Berl. Ac. 1879, p. 937. 



Squamosals in contact with parietals. Two series of teeth in the 

 lower jaw. Tentacle globular, tentacular groove circular, situated 

 in front of the eye. Cycloid scales imbedded in the skin. 



Tropical America ; West Africa. 



Synopsis of the Species. 

 I. 150 to 170 circular folds, the secondary folds included. 



Tentacle distinctly below the eye; belly 



lighter, annuli dark 1. mexicanus, p. 98. 



Tentacle scarcely below the eye ; blackish, 



head white 2. alhiceps, p. 98. 



