FISHES OF THE PHILIPPIXE ISLANDS AND ADJACENT SEAS 273 



Genus HETEROSCYMNOIDES Fowler 



Heteroscymnoidcs Fowled, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, p. 239, 

 1934. (Type, Heteroscyiunoides marlcyi Fowler, orthotypic.) 



Body elongate, slender. Head long. Snout depressed. Eye large, 

 little nearer gill opening than snout tip, without nictitating mem- 

 brane. Mouth transverse, little arched, with deep groove back and 

 upward from each corner. Teeth erect, pointed above, lower di- 

 rected more obliquely and outward. Gill openings 5, subequal, small, 

 before pectoral. Spiracle large, higher, and well behind eye. Scales 

 small, simple, triangular plate ending in sharp point behind and with 



/<' , / 



mm. 



h.w.t: 



Figure 10. — Heteroscymnoides marleyi Fowler : Type. 



keeled median ridge above. First dorsal begins close behind pectoral 

 origin. Second dorsal long, low, begins over middle of ventrals. 

 Caudal broad. Pectoral without inner free lobe. Coloration black. 

 Differs from Heteroscymnus Tanaka in the long snout with long 

 preoral region, the nostrils subterminal, the advanced first dorsal 

 and longer low second dorsal. 



HETEROSCYMNOIDES MARLEYI Fowler 



Figure 10 



Heteroscymnoides marleyi Fowlee, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, 



p. 240, fig. 4, 1934 (type locality: Durban Coast at Point Ocean Beach, 



Natal). 

 Heteroscymnus longus (not Tanaka) Fowlee, Proc. Acad. Nat. Sci. Philadelphia, 



1925, p. 191 (Durban coast at Point Ocean Beach). — Barnard, Ann. South 



African Mus., vol. 21, pt. 2, p. 1013, 1927 (copied). 



Depth 9% to last caudal vertebra, body somewhat compressed; 

 head 3%, width 2%. Snout 21/10 in head, width 1% its length; eye 

 0% in head, 3i^ in snout, 3i/^ in interorbital ; mouth width 314 in 

 head, slightly arched, with deep straight groove across each angle 



