2. POGONiAS. 269 



formed by three lamellae ; tlicy have no posterior process, and arc 

 divergent anteriorly. 



The lower portion of the skull is globular, depressed, with a groove 

 along the medial line. There are ten abdominal and fifteen caudal 

 vertebrce, the length of the foimer portion of the vertebral colimin 

 being to that of the latter as 1 : 1-8. The three anterior vertebraj 

 have a longitudinal groove, formed by a pair of prominent ridges ; 

 the fourth is provided with a protuberance for the attachment of the 

 air-bladder. The first interha;mal spine is strong, and its length 

 equals that of the second vertebra to the ninth. 



3. Larimus fasciatus. 

 Holbr. Jchth. S. Carol, p. 153. pi. 22. f. 1. 



D. 10 I ^. A. |. Caec. pylor. 12. 



The height of the body is 3|- in the total length, the length of 

 the head four times. The snout is shorter than the eye ; the lower 

 jaw projects beyond the upper. All the teeth vUliform. Caudalis 

 rounded ; the second anal spine shorter than the first ray. Seven 

 dusky vertical cross-bands descend from the back. (Holbr. ) 



Fresh waters of South Carolina. 



4. Larimus dentex. 



Corvina deutex, Cuv. ^ Val. v. p. 139. pi. 109. 



^■^^\jh\- A.f Caec. pylor. 7. 



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

 head 3^ ; the cUameter of the eye is 3| in the latter. The lower jaw 

 scarcely longer than the upper ; an external series of pointed teeth 

 in both the jaws, and one or two canine-Hke in the lower. Prae- 

 operculum minutely erenulated. Caudalis truncated ; the second 

 anal spine three-quarters the length of the first ray, but rather 

 feeble. The scales with specks, formed by minute brown dots. 



Caribbean Sea. 



a. Half-grown. From the Collection of the Zoological Society. 

 6. Half-grown. From the Haslar Collection. 



c. Half-growTi : skin. Jamaica. From Dr. ParneU's Collection. 



d. Fine specimen. Trinidad. Presented by J. B. Richardson, Esq. 



e. ? Adult : very bad state ; has been in chloride of zinc. South 



America. From Mr. Bridge's Collection. 



2. POGONIAS. 



Pogonias, Cuv. JR^gne Anim. ; Cuv. ^ Val. v. p. 196. 



Body oblong ; muzzle convex, with the upper jaw overlapping the 

 lower. Pharyngeal teeth pavement-like. Mandibula with many 

 barbels. Two dorsals, the first with ten stout spines ; the anal fin 



