31 2 sci^NiD-a:. 



c. Adult : skeleton. South America. Presented by Sir R. Schom- 



burgk. 

 d-h. Adult and half-grown. "West Indies. 

 L Adult : stuffed : not good state. 

 k. Intestines of specimen c. 



The air-bladder is oblong, tapering to a long filiform point behind ; 

 anteriorly it terminates in two slender horns, the length of which is 

 one-eleventh only of the entire length of the bladder. It is attached 

 to a prominence of the third vertebra. 



2. Ancylodou parvipinnis. 



Cuv. ^ Val. V. p. 84. pi. 105. 



D. 7 1 ^. A. ^. Csec. pylor. 4. Vert. 10/14. 



The lower jaw very prominent. The two dorsals separated from 

 each other by an interspace equal to the length of the first ; the 

 first dorsal much lower than the second. Oaudalis truncated, or 

 slightly roimded. Coloration uniform. {Ctw.) 



Cayenne. 



11. COLLICHTHYS. 



Scisena, sp., Cuv. ^ Val. v. p. 55 ; Ricliards. Ichth. Voy. Sulph. p. 87. 

 Otolithus, sp., Cantor, Catal. p. 57. 



Body elongated ; head very broad, with the upper part very con- 

 vex ; muzzle wide, very oblique ; eye small. No large canines ; no 

 barbel. The second dorsal vciy elongate ; caudal pointed. The 

 second spine of the anal feeble. Pseudobranchia) none. Air-bladder 

 with a horn-like process on each side, or with many appendages, 

 anastomosing with one another ; number of the pyloric appendages 

 moderate. 



East Indian Seas. 



1 . Collichthys lucida. 



Sci£ena lucida, Richards. Ichth. Voy. Sidph. p. 87. pi. 44. f. 3, 4. 



D. 9 I ^. A. |. L. lat. 75. L. transv. JJ. Ca)c. pylor. 13. 



Vert. 1 1/18. 



The height of the body is 4^ in the total length, the length of the 

 head four times ; the diameter of the eye is nearly one-fifth of the 

 length of the head, and e(]uals tlu^ length of the snout ; the upper 

 maxillary reaches to behind the level of the posterior margin of the 

 orbit. The dcnticulations of the praioperculum feeble and flexible ; 

 operculum and subo])('rculum not notched at their lower margins. 

 Caudal fiji elongate, pointed. 



Chinese Sea. 



a. Fine specimen. China. J'resented by J. 11. lleeves, Esq. 

 h. Adult. China. Presented by Sir John Ricliaidson. 

 c. Adult. China. Presented by Sir .Inlni Hidiardson. 



