412 SCYLLIIU^E. 



Chiloscyllium plagiosum, Miiller ^ Henle, p. 17; Cant. Mai. Fish. 

 p. 392 ; Bleek. Verh. Bat. Gen. xxiv. Plagiost. p. 17 ; Dumeril, 

 Masmob?: p. 328 ; Bai/, Fish. Malabar, p. 267. 



griseum, Miill. ^- Henle, p. 19, pi. 4 (uot good). 



tuberculatum, Miill. Sf Henle, p. 19 ; Bleek. I. c. p. 20 ; Dum6ril, 



I. c. p. 331 ; Xner, Novara, Fisch. pp. 412, 413. 

 Squalus caudatus, Gronov. Si/st. ed. Gray, p. 8. 

 Scyllium hasseltii, Bleek. I. c. p. 19. 

 — ^ phymatodes, Bleek. I. c. p. 21 ; Dtimeril, I. c. p. 331. 

 Hemiscvllium malayanuni, Bleek. Nat. Tych. Ned. Ind. vii. p. 376 



(not Less.). 

 Chiloscyllium margaritiferum, Bleek. Ned. Tyds. Dierk. i. p. 243 ; 



Dumeril, I. r. p. 329 (young). 

 Syncbismus tuberculatus, Gill, Ann. Lye. Nat. Hist. New York, 1861, 

 p. 408 (name only). 

 The lower labial fold is perfectly coutinuous. Mouth mtich nearer 

 to the eye than to the extremity of the snout, which is produced, 

 more or less obtuse. Posterior margin of the two dorsal fins convex. 

 The first dorsal inserted behind the base of the ventrals. Some- 

 times one or three smooth or tubercular ridges along the back *. 

 Coloration variable. 



IncUan Ocean and archipelago, from the Cape of Good Hope to 

 Japan. 



Var. a. plagiosa. Up]yer parts ivith broad darh cross bands ; 

 each band including some rozmd white and black sjjots. {Some ex- 

 amples with a median dorscd keel.) 



a. Stuffed, 31 inches long. China seas. Presented by General 



Hardwicke. 



b. Young. Amoy. From Consul Swinhoe's Collection. 



c. d-g. Adult and half-grown. Japan. Purchased of Mr. Jamrach. 

 h. Adult. Formosa. From Consul Swinhoe's Collection. 



Var. /3. margaritifera. These are young examples, with black 

 cross bands, each band including larger and smaller round white 

 spots. 



i, k. Five inches long. China. 



l-m. Four and a half and ten inches long. Japan. Purchased of 

 Mr. Jamrach. 



Var. y. Body with simple dark cross bands, 

 n-o. Young. Vizagapatam. Presented by Captain Mitchell. 

 p~q. Young : stufted. Pinang. From Dr. Cantor's Collection. 

 r-t. Half-grown : stuffed. India. 



Var. £). The cross bands are breaking up into a greater number of 

 narrower bands with dark margins. 



u. Half-grown : stuffed. Cape seas. Presented by Sir A. Smith. — 

 Back with three very indistinct ridges. 



* These ridges are very inconstant — sometimes very prominent and tubercular, 

 souiotimes vei-y indistinct, sometimes only the median is visible. The pretended 

 species "tuberculatus" does not even represent a variety. 



