FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 267 



Genus HAPALOGENYS Richardson 



Hapalogenys Richardson, Ann. Mag. Nat. Hist., vol. 13, 1844, p. 462. Type 

 Hapalogenys nitens Richardson, designated by Jordan and Thompson, Proc. 

 U. S. Nat. Mus., vol. 41, 1912, p. 550. 



Body compressed, elevated. Mouth moderate, horizontal. Upper 

 jaw protractile. Chin with several pores, hidden by cluster of short, 

 crowded barbels or papillae, best developed with age; snout tip naked 

 or with small papillae. Teeth uniformly small, in bands in jaws, 

 on vomer and palatines. Preopercle serrate. Opercle with short 

 spine. Branchiostegals 6 or 7. Pseudobranchiae present. Air 

 bladder simple. Pyloric appendages few. Scales 50 to 100 in lateral 

 series, ctenoid. Soft vertical fins scaled basally. Head above, includ- 

 ing snout, jaws and opercles, scaly. One dorsal, spines 11 to 14 and 1 

 antrorse spine in front, rays 14 to 19. Anal with 3 spines and rays 

 9 to 13. Caudal rounded or slightly concave. Pectoral pointed. 



A.NALYSIS OF SPECIES 



fl\ Dorsal rays 18 or 19. 



b\ D. XIV, 18 meyenii. 



v. D. XI, 19 petersi. 



fl^ Dorsal rays 14 or 15. 



c\ Fourth dorsal spine more than half length of head. 



d\ Brown, clouded darker nigripinnis. 



d^. Four dark horizontal bands kishinouyei. 



(f. Third dorsal spine longest, at least % of head ; soft dorsal narrowly 

 edged black mucronatus. 



HAPALOGENYS MEYENII Peters 



Hapalogenys meyenii Peters, Monatsb. Akad. Wiss. Berlin, 1866, p. 96. Ma- 

 nila. — Bleekee, Atlas Ichth. Ind. N6erland., vol. 8, 1877, p. 13 (copied). 



Depth 3% in total; head 4%. Eye 4 in head, li/^ in snout; max- 

 illary reaches eye; profile line between nostrils somewhat concave; 

 hind preopercle edge denticulate; upper lip with little papillae or 

 barbels. Scales 103, 14 above, 15 below. D. XIV, 18, fourth spine 

 equals 1% eye diameters; A. Ill, 10, first spine very short, second 

 and third subequal, only little shorter than dorsal spines; dorsal 

 and anal fins rounded; caudal deeply concave. Largest scales on 

 middle of body brown, glazed metallic yellow. Dark line passes 

 through middle of scales. Length? (Peters.) 



HAPALOGENYS PETERSI Day 



Hapalogenys petersi Day, Fishes of India, pt. 1, 1875, p. 77, pi. 20, fig. 3. 

 Sind and Mekran coast; Fauna Brit. India, Fishes, vol. 1, 1889, p. 513, 

 fig. 155. — ZuGMAYEB, AbhandL K. Bayer. Akad. Wiss., Math.-physik. 

 Klasse, vol. 26, 1913, p. 10 (Mekran). 



Depth 2%; head 2%. Snout 3% in head from upper jaw tip; 

 eye 31^5 equals snout, greater than interorbital ; maxillary reaches 

 % in eye, expansion 1%^ length 2l^ in head from snout tip; lips 



