FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 23 



Cestracion phillipi var. i^ebi'a Martens, Preuss. Esped. Ost-Asien, vol 1, p. 409, 



1876 (Nagasaki). 

 Heterodontus phillipi (not Schneider) Dumeril, Hist. Nat. Elasmobr., vol. 1, p. 



424, 1865 (part). 

 Cestracion philippii Peters, Monatsb. Akad. Wiss. Berlin, p. 926, 1880 (Ningpo). 

 Centracion phiUppi Garman, Mem. Mus. Comp. Zool., vol. 36, pi. 47, figs. 4-6 



(jaws), 1913. 

 Cestracion amboinensis Regan, Ann. Mag. Nat. Hist., ser. 7, vol. 18, p. 436, 1906 



(type locality: Amboyna) ; ser. 8, vol. 1, p. 497, 1908 (type). 



Depth 5 to subcaudal origin; head 5. Snout 1% in head; eye 41^4, 

 2 in snout; mouth narrow; both jaws with labial folds, upper very 

 short or not halfway to narial valves and with short groove behind 

 mouth angles, lower folds long as separating interspace; teeth quin- 

 cuspid in young, tricuspid with development of molars, which elon- 

 gate with longitudinal keel, more swollen with age; supraorbital 

 ridge low. Gill openings gradually smaller to last, which y^ of first 

 or little over half of eye, above pectoral base. 



First dorsal origin above middle of pectoral base, fin length 31/2 

 in body length to subcaudal origin ; second dorsal origin behind ven- 

 tral ends, about long as head ; anal inserted about opposite last basal 

 third of second dorsal, fin length 1^4 ii^ head; pectoral length 3% 

 to lower caudal lobe origin, width 1% its length ; ventral IV5 in head ; 

 caudal 31/4 in rest of body, front subcaudal edge II/4 in head. 



Light yellowish to reddish brown, darker on back, lighter in young. 

 Transverse dark bands, alternating wider and narrower, or wider 

 split into pair of which lower ends more or less curved and united. 

 V-shaped band on snout, then straight bar separating it from orbital 

 pair, portions below eye each again divided. Second pair of bars 

 on nape, third pair before dorsal spine, fourth behind first dorsal, 

 fifth before and sixth and seventh behind second dorsal, eighth at 

 caudal origin and others on caudal fin. Length, 550 mm. (Garman ; 

 Wu.) 



East Indies, China, Japan. According to Regan reaches 780 mm. 



Family SCYLIORHINIDAE 



Body elongate. Tail not keeled or bent up. Pupil of eye oblique, 

 slit sloping down and forward. No nictitating membrane. Mouth 

 usually wide, without grooves to nostrils. Teeth small or moderate, 

 several series functional, small, with median cusp and 1 to 4 on each 

 side. Gill openings 5. Spiracle distinct. Head with numerous 

 mucous pores, especially on snout below. Two spineless dorsals, 

 subequal, first above ventrals. Anal mostly before second dorsal. 

 Caudal long, usually with basal lobe. 



A large family of small sharks found in all temperate and tropical 

 seas, some ranging into deep water. Many live at or near the bottom, 



156861—41 3 



