502 



PROCEEDINGS OF THE ACADEMY OF 



[July, 



67. Tricliidioii hilleri sp. nov. 



Head 3|; depth 4^; D. VII-iv, 16; A. in, 12; P. ii, 15, with 6 fila- 

 ments below: V. i, 5; scales about 68 in lateral line to base of caudal, 

 and 11 more on caudal basally; 6 scales between middle of base of 

 spinous dorsal and lateral line : 7 scales between middle of base of soft 

 dorsal and lateral line; 9 scales obliquely up and back to lateral line; 

 width of head If in its length ; depth of head If; snout 4; eye 9; max- 

 illary 2; interorbital space 3; second dorsal spine 1^; first developed 

 dorsal ray about If; first developed anal ray If; ventral 1^; least 

 depth of caudal peduncle 2f; second simple pectoral ray 2|- in head and 

 trunk; length of upper caudal lobe about 2f. 



Fig. 11. — Trichidion hilleri Fowler. 



Body long, compressed, greatest depth about middle of depressed 

 ventral or spinous dorsal, and upper profile a little more convex than 

 lower. Ca)idal peduncle a little long, and its least depth a trifle more 

 than half its length. 



Head obtuse, compressed, rather broad, and profiles similar with 

 upper a little more convex, especially posteriorly. Snout broad, blunt, 

 convex, and well protruded. Eye small, circular, a little low and lat- 

 eral in position, and also placed a trifle behind first fourth of length of 

 head. Adipose tissue well developed and extending over eye. Mouth 

 inferior, large, gape curved in profile and upper jaw extending forward 

 beyond symphysis of mandible. Maxillary expanded distally till about 



