234 



PROCEEDINas OF THE XATTOXAL MVSEVM. vol. xxxii 



Family POLYNEMID^. 



Polydactylus opercularis, new species. 



Head, 3.25: depth, 3.50; eye, 4 in head; snout less than eye, 4.10 



in head; interorbital 

 space equal to eye; D., 

 VIII, 1, 12; A., Ill, 

 11; P.,AaiI, +; scales, 

 5/55/8. • 



Body oblong, com- 

 pressed; snout project- 

 ing- beyond the inferior 

 mouth; maxillary two 

 in head ; teeth villif orm 

 in jaws and on vomer 

 and palatines ; pre- 

 opercle distinctly ser- 

 rated ; opercle entire ; 

 head scaled ; adipose 

 eyelid well developed. 

 Gill-rakers long and 

 slender, about 25 on 

 the lower arch. Depth 

 of caudal peduncle con- 

 tained H times in its 

 length. Fins all scaled. 

 Second dorsal spine 

 1.25 in length of head; 

 longest dorsal ray H in 

 head; its base 1.25 in 

 its height. Third anal 

 spine much the longest ; 

 longest anal ray con- 

 tained 1.60 in length 

 of head, equal to length 

 of anal base. Origin 

 of anal fin midway be- 

 tween end of caudal 

 vertebrae and distal 

 end of maxillary. Pec- 

 toral fin 1.12 in head . 

 Ventrals 1.75 in head, 

 their tip reaching to 

 anus. Caudal deeply forked; its longest ray equals the longest 

 pectoral filament, the latter as shown in illustration is too long. 



Color in spirits silvery white, without dark stripes. A slight 

 bluish tint on upper half of body; dusky blotch on opercles; 



