100 c<eciliidjE. 



Synopsis of the Sjiecies. 



250 circular folds, complete or alternately 



complete and incomplete 1. multiplicata, p. 100. 



180 to 190 circular folds, complete 2. unicolor, p. 100. 



166 circular folds, mostly incomplete .... 3. oligozona, p. 100. 



1. Gymnopis nmltiplicata. 



Gymnopis multiplicata, Peters, Mon. Berl. Ac. 1874, p. 61G, pi. 1. f. 1, 

 & 1879, p. 939, pi. — . f. 7. 



Teeth small, numerous, subequal. Snout rounded, prominent. 

 Body moderately elongate ; 250 circular folds, the anterior 20 and 

 the posterior 31 complete, the others alternately complete and in- 

 complete. Tail indistinct, rounded. Bluish grey ; belly dark grey, 

 passing into yellowish on the posterior part. Total length 500 

 millim. ; diameter of body 19 millim. 



Veragua and Antioquia. 



2. Gymnopis unicolor. 



Rhinatrerna unicolor, A. Dum. Mem. Soc. Clierb. vs.. p. 321, pi. 1. 



f. 6-8. 

 Gymnopis unicolor, Peters, Mon. Berl. Ac. 1879, p. 939. 



Snout rounded, prominent. Body moderately elongate ; 180 to 

 190 circular folds, complete. Tail indistinct, rounded. Olive ; head 

 and tail light greenish yellow. Total length 225 millim. ; diameter 

 of body 6 millim. 



Cayenne. 



3. Gymnopis ? oligozona. 



Siphonops oligozonus, Cope, Proc. Amer. Philos, Soc. xvii. 1877, 



p. 91. 

 Gymnopis ? oligozona, Peters, Mon. Berl. Ac. 1879, p. 939. 



Snout narrow, projecting. Body elongate ; 166 annuli, anterior 

 14 and posterior 25 complete, 15th to 73rd incomplete, the others 

 alternately complete and incomplete. Plumbeous brown; head 

 yellowish. Total length 263 millim. ; diameter 5 millim. 



Hab. ? 



7. HERPELE. 



Coecilia, sp., Gray, Cat. p. 59 ; A. Dum., M6m. Soc. Cherb. vs.. p. 311. 

 Herpele, Peters, Mon. Berl. Ac. 1879, p. 939. 



Squamosals in contact with parietals ; eyes overroofed by bone. 

 Two series of teeth in the lower jaw. Tentacle globular, surrounded 

 by a ring-like groove, situated below and posteriorly to the nostril. 

 Cycloid scales imbedded in the skin. 



West Africa. 



