94 CffiCILIIDiE. 



Teeth moderately large ; on each side — maxiUaries 6 to 8, vomero- 

 palafcines 5, outer mandibulars 6 or 7 ; inner mandibulars very 

 small, few. Snout rounded, prominent, shorter than the distance 

 between the eyes ; latter visible ; tentacle below the nostril. Body 

 cylindrical, elongate, robust ; 135 to 150 circular grooves, inter- 

 rupted on the dorsal and abdominal lines ; the last 40 or 50 are not 

 interrupted on the dorsal line, and the hindermost are complete. 

 Tail indistinct, rounded. Blackish brown, marbled with white 

 beneath. Total length 590 mUlim. ; greatest diameter of body 20 

 millim. 



Surinam. 



a. Adult. P Named by Dr. Shaw. 



6. Hgr. Surinam. 



2. Coecilia isthmica. (Plate VI. fig. 1.) 



Coecilia rostrata, O'unth. Proc. Zool. Soe. 1859, p. 417. 



iathmica, Cope, R'oo. Amer. PhUos. 8oc. 1877, p. 91. 



giintheri, Peters, Mon. Berl. Ac. 1879, p. 936. 



pachynema, Saideng. Bull. Soc. Zool. France, 1880, p. 48. 



Teeth moderately large ; on each side — maxillaries 11, vomero- 

 palatines 5, outer mandibulars 8 ; inner mandibulars very small, 

 few. Snout truncate, very prominent, shorter than the distance 

 between the eyes ; latter visible ; tentacle below the nostril, on the 

 lower face of the snout. Body cylindrical, elongate, robust ; 124 

 circular folds*, interrupted on the dorsal and abdominal liues, the 

 last eighteen complete. Tail indistinct, rounded. OUve-brown, 

 lighter beneath, uniform ; lips whitish. Total length 660 mUlim. ; 

 greatest diameter of body 21 miUim. 



Isthmus of Darien ; W. Ecuador. 



a. Adult. W. Ecuador. Mr. Eraser [0.]. 



3. Coecilia ochrocephala. 



OoecUia ochrooephala, Cope, Proc. Ac. Philad. 1866, p. 132. 



Proportions near those of Dermophis mecoicanus ; length 51 

 times the diameter at middle. Head narrowed ; snout decurved, 

 not truncate, projecting acutely beyond mouth ; eyes not visible ; 

 tentacle a little below the angle of the snout. Circular folds 200, 

 equidistant, complete above and below. Tail obtuse, depressed. 

 Yellowish plumbeous ; the plicae dark ; throat and head ochre-yellow. 

 Total length 325 millim. 



Panama. 



Coecilia polvzona, Fischer, Mon. Berl. Ac. 1870, p. 937, and Arch, 

 f. Naturg. 1880, p. 215, pi. 8. f. 1-4. 



4. Coecilia polyzona, 



\scher, Mon. Berl. Ac. 

 ). 215, pi. 8. f. 1-4. 



Maxillary teeth (on each side) 11 or 12, vomero-palatines 10 or 1 1, 

 * 142 in the type, 116 in a speoimen in the Brussels Museum. 



