226 



PROCEEDINGS OF THE ACADEMY OF 



[Feb., 



Body moderately elongate, compressed, greatest depth about middle 

 of depressed ventral, and upper profile a little more convex than lower. 

 Caudal peduncle compressed, and its least depth If of length. 



Head somewhat large, compressed, and upper profile steep, more 

 convex than lower. Snout short, broad, convex, upper jaw projecting 

 a little. Eye large, impinging on upper profile, anterior, and circular. 

 Mouth rather small, jaws about even, projecting, and gape reaching 

 about opposite front of posterior nostril. Maxillary small, slipping 

 below narrow preorl^ital, beyond front rim of pupil or about first third 

 of orbit, and its distal expansion a little less than diameter of pupil. 

 Teeth minute, pointed, numerous, in bands in jaws, and on palatines. 



Fig. 1. Holocenthrus gladispinis Fowler. 



A small patch also on vomer. Tongue attenuate, long, free and 

 smooth. Nostrils adjoining, and close to front rim of orbit, anterior 

 inconspicuous and posterior a large cavity. Interorbital space broad, 

 slightly concave medianly, and with a low obsolete ridge laterally. 

 Head with many fine denticles along edge of cranial bones. Preorbital 

 denticulate, with a large blunt spine in front. Opercle ending in two 

 small spines of equal size. Preopercle armed below at its angle with a 

 broad dagger-like spine equal to ^ of orbit, along its upper margin, and 

 reaching beyond gill-opening. 



Gill-opening extending forward opposite middle of orbit. Rakers 

 V 2 + 9 III, longest shorter than filaments which equal diameter of 



