3. CCECILIA. 95 



outer mandibulars 10, inner mandibulars 5 or 6. Snout prominent, 

 pointed ; eyes hidden ; tentacle below the nostril, on the lower face 

 of the snout. Body much elongate ; 207 or 209 circular folds, com- 

 plete, except a few which are interrupted on the belly ; accessory folds 

 between the ten hindermost, not meeting on the belly. Tail indistinct, 

 rounded. Brownish grey, head and belly lighter ; annuli marked 

 with black. Total length 670 millim. ; greatest diameter of body 

 11 millim. 

 Colombia. 



5. Ccecilia pachynema. (Plate VI. fig. 2.) 



Ccecilia pachynema, Giinth. Proc. Zool. Soc. 1859, p. 417 ; Peters, 

 Mon. Berl. Ac. 1879, p. 935. 



Teeth large, few, widely separated ; inner mandibulars very small, 

 few ; outer mandibulars very large, anterior longest, 5 ; maxilla - 

 ries 6 ; vomero-palatines 9. ' Snout broad, rounded ; eyes rather 

 indistinct; tentacle below the nostril. Body cylindrical, very 

 much elongate ; 168 circular folds, widely interrupted on the dorsal 

 and ventral regions. Tail indistinct, rounded. Olive, lighter 

 beneath ; a subquadrangular yellow spot between each two costal 

 folds, forming a lateral band interrupted by vertical olive lines. 

 Total length 930 millim. ; greatest diameter of body 12 millim. 



W. Ecuador. 



a. Adult. W. Ecuador. Mr. Fraser [C.]. (Type.) 



6. Ccecilia gracilis. 



Ccecilia gracilis, Gray, Cat. p. 57. 

 Ccecilia tentaculata, part., Linn. Mus. Ad. Fred. pi. 5. f. 2. 

 gracilis, Shaw, Zool. iii. p. 597 ; Giinth. Proc. Zool. Soc. 1859, 



p. 417 ; Peters, Mon. Berl. Ac. 1879, p. 937. 

 lumbricoidea, Daud. JRept, viii. p. 420, pi. 92 ; Dum. ty Bihr. 



p. 275 ; A. Bum. Mem. Soc. Cherb. ix. p. 313. 



Teeth rather large, 16 to 20 in the upper as well as in the lower 

 jaw ; palatine and inner mandibular teeth small, few ; anterior 

 mandibular tooth much the longest. Snout narrow, rounded, 

 very prominent ; eyes indistinct, exceptionally slightly visible ; 

 tentacle on the lower face of the snout, below the nostril. Body 

 cylindrical, extremely elongate ; 210 to 255 circular folds, inter- 

 rupted on the dorsal and ventral regions, except the hindermost. 

 Tail indistinct, rounded. Uniform brown or olive. Total length 

 700 millim. ; greatest diameter of body 8 millim. : a very slender 

 specimen (e) measures 650 and 5 millim. 



Northern South America. 



a-b. Adult. Surinam. Hr. Kappler [C.]. 



c. Adult. Cayenne. 



d. Adult, bad state. Demerara. J. Hadfield, Esq. [P.]. 



