FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 99 

 Subgenus Eucrossorhinus Regan 



ORECTOLOBUS DASYPOGON (Bleeker) 



Crossorhinus dasypogon Bleekek, Arch. N^erland. Sci, Nat., vol. 2, p. 400, pi. 21, 

 fig. 1, 1867 (type locality: Off Waigiu ; Aru) ; Versl. Meded. Akad. Wet. Am- 

 sterdam, ser. 2, vol. 2, p. 298 (Waigiu), p. 306 (Aru), 1868. 



Eucrossorhinus dasypogon Regan, Proc. Zool. Soc. London, 1908, p. 357 (type, 

 from Waigiu). — Gaeman, Mem. Mus. Comp. Zool., vol. 36, p. 53, 1913 (com- 

 piled). — FowLEE, Mem. Bishop Mus., vol. 10, p. 17, 1928 (compiled). 



Orectolobus dasypogon Fowler, Proc. 4th (1929) Pacific Sci. Congr., Java, p. 

 486, 1930 (reference). 



Depth about 7^ to subcaudal origin ; head 3%, little broader than 

 long. Snout 2% in head ; eye 9 to 14, 3 in snout, 4 to 6 in interorbi- 

 tal; mouth width II/3 to li^ in head; teeth in 16 to 20 rows; nostrils 

 terminal on snout, front valve with long lateral cirrus on fold with 

 several lobules; hind valves form fold around outer nasal edge, con- 

 tinue backward into upper lip fold and another along side of nasoral 

 groove, end in cirroid free extremity toward mouth angle. Gill 

 openings equidistant, above pectoral base. Spiracle twice eye 

 diameter. 



Scales lanceolate. Between narial lobe and mouth angle 5 branched 

 lobes, between mouth angle and pectoral base 20 and 16 to 20 along 

 edge of lower lip. 



First dorsal origin above last fourth of ventral base, front edge 

 214 in head; front edge of second dorsal 1%; anal inserted behind 

 second dorsal base, length about 2% in head; pectoral length 1%, 

 about wide as long; ventral li/^ in head; caudal 3 in rest of body, 

 notched at last fifth. 



Brown, variegated with small variable, close-set white spots. 

 Caudal with 4 or 5 transverse darker obscure bands. Lower sur- 

 faces uniformly pale or plain colored. Length, 800 mm. (Bleeker; 

 Garman.) 



East Indies. 



Genus STEGOSTOMA Muller and Henle 



Stegostoma Mtjlleb and Henle, Sitz. Ber. Akad. Wiss. Berlin, 1837, p. 112. 

 (Type, Squalus fasciatus Hermann, Arch. Naturg., 1837, pt. 1, p. 395; ortho- 

 typic.) 



Body slender, less than half total. Tail long, slender, compressed. 

 Head short, wide. Snout short, thick, obtuse. Eyes small, lids with- 

 out folds. Mouth transverse, upper lip thin between nasal valves 

 and teeth, short labial folds around mouth angles. Teeth small, tri- 

 cuspid, in transverse pads of about 28 rows in each. Nostrils with 

 nasoral grooves; front valves united in broad thick pad in front of 

 preoral fold on outer side of groove ending in short flaps at mouth 

 angle. Gill openings small, fourth and fifth close together, last 3 

 above pectoral base. Spiracles small, behind eyes. Nasal valves, pre- 



