FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 225 



half of fin ; least depth of caudal peduncle 5 in head ; pectoral 1%, 

 width 2 in length; ventral length li/g in head. 



Dark brown, slightly mottled and clouded. Length 794 mm. 

 (Garman.) 



Japan. The type, M. C. Z. No. 1037, is the only specimen known. 



CENTROSCYMNUS FUSCUS Gilchrist and Von Sonde 



Ccntroscymnus ftiscus Gilcheist and Von Bonde, Rep. Fishes Marine Biol. 

 Surv. South Africa, No. 3, p. 2, 1924 (type locality: ofE St. Helena Bay, 

 lat. 32° S., long. 16° E., South Africa in 280 fathoms).— Barnard, Ann. 

 South African Mus., vol. 21, pt. 1, p. 51, 1925 (compiled). 



Body subfusiform, moderately robust. Snout broadly rounded 

 anteriorly, moderate, depressed; eye large, orbit elongate and % in 

 snout; mouth wide, slightly greater than preoral length, with deep 

 grooves laterally, labial folds at each angle; upper teeth acutely 

 pointed from broad bases, lower broad, compressed, directed obliquely 

 toward mouth angles; nostrils oblique, at end of first quarter of 

 preoral, which equals postocular to first gill opening. Gill openings 

 narrow, equidistant, before pectoral. Spiracle I/4 orbit. 



Scales pedicellate, on body concave, on dorsal surface of head 

 with 3 to 5 keels, on spaces between gills very small and weakly 

 keeled, on ventral side of head 3 to 5 keeled up to line running 

 between second gill openings of each side; all fins scaled with con- 

 cave scales which absent from pectoral axils. 



Dorsal spines small, ends exposed; base of first dorsal equals 

 height; second dorsal distant from first 6l^ times base of first, 

 apparently (damaged) equals first dorsal, origin opposite end of 

 ventral base; subcaudal (damaged) large, apparently slightly sep- 

 arated from terminal caudal portion by notch ; pectoral medium, not 

 reaching first dorsal origin, hind angle rounded ; ventral base broad, 

 long as first dorsal. 



Uniform brown. Length 1,100 mm. (Gilchrist and Von Bonde.) 



South Africa. Only the type known, in the Government Marine 

 Survey of South Africa. 



Genus SCYMNODON Bocage and Capello 



Scymnodon Booagb and Capello, Mem. Acad. Real. Sci. Lisboa, vol. 3 (1864), 

 p. 3, 1865. (Type, Scymnodon rivgens Bocage and Capello, monotypic.) 



Zameus Jordan and Fowler, Proc. U. S. Nat. Mus., vol. 26, p. 632, 1903. (Type, 

 Centrophorus squamulosus Giinther, orthotypic.) 



Proscymnodon Fowlee, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, p. 239, 1933. 

 (Type, Centrophorus plunketi Waite, orthotypic.) 



Body slightly triangular in cross section. Head flattened on 

 crown, wide posteriorly. Mouth large, arched forward, with deep 

 straight groove at each angle and with labial folds. Teeth unlike in 



