2. URiEOTYPHLUS. 3. CCECTLIA. 93 



belly except the last 15, which are complete ; the anterior 50 

 narrowly interrupted on the dorsal region ; a very distinct gular 

 fold. Tail extremely short, hardly distinct, obtusely conical. Dark 

 brown ; the gular fold and the folds on the sides yellowish. Total 

 length 165 millim. ; greatest diameter of body 6 millim. 



West Africa. 

 a. West Africa. J. C. Salmon, Esq. [P.]. 



3. COECILIA. 



Coecilia, part., Linn. Syst. Nat. i. p. 229. 



Coecilia, Wagl. Syst. Amph. p. 198; Tschudi, Batr. p. 90; Dum. § 



Bibr. viii. p. 274 ; Gray, Cat. p. 57 ; A. Dum. Mem. Soc. Cherb. ix. 



p. 311 ; Peters, Mon. Bed. Ac. 1879, p. 934. 



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

 lower jaw. Tentacle flap-shaped, tentacular groove horseshoe- 

 shaped, situated below the nostril. Cycloid scales imbedded in the 

 skin. 



South America. 



Synopsis of the Species. 



I. The total length not 60 times the greatest diameter of the body. 



135-150 circular folds, the majority inter- 

 rupted on the dorsal and ventral lines ; 

 last 40-50 folds not interrupted on the 

 dorsal line 1. tentaculata, p. 93. 



115-140 circular folds, the majority inter- 

 rupted on the dorsal and ventral lines ; 

 last 16-20 folds not interrupted on the 

 dorsal line 2. isthmica, p. 94. 



200 circular folds, complete above and 



below 3. ochrocephala, p. 94. 



II. The total length more than 60 times the greatest diameter 



of the body. 



207 or 209 circular folds, nearly all com- 

 plete above and below 4. polyzona, p. 94. 



160-170 circular folds, interrupted on the 



dorsal and ventral lines ; teeth very large 5. pachynema, p. 95. 



210-255 circular folds, interrupted on the 



dorsal and ventral lines 6. gracilis, p. 95. 



1. Coecilia tentaculata. 



Coecilia tentaculata, Gray, Cat. p. 58. 

 Coecilia tentaculata, part., Linn. Mus. Ad. Fred. p. 19. 



tentaculata, Shaw, Zool. iii. p. 599, pi. 136; Peters, Mon. Berl. 



Ac. 1879, p. 934. 

 albiventris, Baud. Rept. vii. p. 423, pi. 92 ; Dum. 8f Bibr. p. 277. 



