362 MR. C. TATE KBGAN ON SHARKS [^Pl'- 28, 



6. Chiloscyllium plagiosum, (Plate XII, fig. 1.) 



Scyllium plagiosum Bennett, in Life of Raffles, p. 694 (1830). 



Scyllium ornatum Gray, 111. Ind. Zool. i. pi. xcviii. fig. 2 (1832). 



Chiloscyllium plagiosum, vars. 2, 3 and 4, Mlill. & Henle, 

 Plagiost. p. 18 (1841). 



Chiloscyllium plagiosum (part.) Cantor, Cat. Mai. Fisli. p. 392 

 (1850). 



Chiloscyllium margaritiferum Bleek, Ned. Tijds. Dierk, i. 1863, 

 p. 243; Dumeril, Elasmobr, p. 329 (1865). 



Chiloscyllium indicum, vars. a and [3, Glinth. Cat. Fish. viii. 

 p. 412 (1870). 



Ghiloscijllium indicum Jord. & Fowler, Proe. U.S. Kat. Mus. 

 xxvi. 1903, p. 605, fig. 2. 



Yery closely allied to C. griseum., but with quite a different 

 coloration. Dorsal fins usually shorter and more elevated, the 

 length of the base of the first f to 4 its distance from the second. 

 Anal usually shorter and deeper, its depth usually distinctly 

 greater than that of the lower caudal lobe, its length from less 

 than |- to nearly -^ that of the latter in front of the notch. 

 Dark cross-bars arranged as in G. griseum, but much narrower 

 and persistent in the adult ; edges of the bars crenate ; numerous 

 round or oval white spots on the cross-bars and at their edges, as 

 well as on the lower parts of the body ; dai'k spots either few, 

 large, and definitely arranged in the mid-dorsal line and at the 

 edges of the bars, or small, numerous, and irregularly arranged on 

 head, body, and fins. 



Coasts of China and Japan to the Malay Peninsula and 

 Archipelago. 



7. Chiloscyllium indicum. (Plate XIII. fig. 2.) 



Squalus indicus Gmelin, Linn. Syst. Nat. p. 1503 (1788); 

 Schneid. Bloch's Syst. Ichth. p. 137 (1801). 



Squalus tuherculatus Schneid. 1. c. 



Ghiloscyllium tuhercidatum Mlill. &, Henle, Plagiost. p. 19 

 (1841); Bleek. Yerh. Bat. Gen. xxiv. 1852, Plagiost. p. 17; 

 Dumeril, Elasmobr. p. 331 (1865); Kner, ' Novara ' Fische, 

 p. 412 (1865). 



Squalus caudatus Gronov. Syst. p. 8 (1854). 



Ghiloscyllium j}hymatodes Bleek. t. c. p. 21 ; Dumeril, 1. c. 



Synchismus tidjercidatus Gill, Ann. Lye. N. York, 1861, p. 408. 



Chiloscyllium indicum., vars. ?, e, and i^ (part.), Giinth. Cat. 

 Fish. viii. p. 412 (1870). 



Three prominent dorsal keels. Mouth much nearer to the 



