266 



PROCEEDINGS OF THE ACADEMY OF 



[Apr., 



AUCHENIPTERIN^. 



Trachycorystes galeatus (Linnaeus). 



One example 145 mm. long. 



Auchenipterus demerarse Eigenmann. 



Three examples 125 to 135 mm. 



Ageneiosus ogilviei sp. nov. Fig. 15. 



Head 3i; depth 6^; D. I, 6; A. ix, 32, i; P. I, 14; 

 width IJ in its length; head depth at occiput 2; 

 6f; maxillary 2; mouth width If; interorbital 1|; dorsal spine 2; 

 first branched dorsal ray If; length of adipose fin 3^; first branched 

 anal ray 3; least depth of caudal peduncle 5-|; upper caudal' lobe 

 If; pectoral spine If; pectoral fin If ; ventral 1^-^. 



Body elongate, trunk greatly compressed, and extremely broad 



V, I, 7; head 

 snout 2; eye 



Fig. 15. — Ageneiosus ogilviei Fowler. (Type.) 



anteriorly or at head, greatest depth at dorsal origin, edges all con- 

 vexly rounded, and trunk slopes gradually back to rather deep 

 caudal peduncle. Caudal peduncle well compressed, its least depth 

 ■* 2j in its length. 



Head large, greatly depressed, upper profile nearly straight from 

 snout tip to dorsal origin, lower profile horizontally convex, upper 

 surface convex and lower surface flattened. Snout very broad, 

 broadly convex as viewed above, length f its width, and protrudes 

 slightly beyond edge of mandible in front. Eye moderate, without 

 free eyelid, lateralh^ inferior, and about midway in head length. 

 Skin around eye forming somewhat adipose-liko. Maxillary reaches 

 back till close in front of eye. Jaws with about equally wide or 

 broad bands of villiform teeth, rather firm and rough to touch. No 



