20. SCYLLIUM. 405 



little longer than the dorsal, the length of its base being nearly equal 

 to its distance from the caudal. Brownish, marbled -with darker. 

 Tasmania. 



a. Adult (0'"-90 long). Purchased by Mr. Scbwarzschild. 

 6. Adult (O^'-UO long) : stuffed. 



9. Scyllium bivium. 

 Scyllium bivium, (Smith) Milller ^ Henle, p. 8. 



The nasal valves are widely separate from each other, rather small 

 and narrow, turned outwards and upwards; no cirrus. Both jaws 

 with a labial fold proceeding from the angle of the mouth for about 

 half their length. Teeth not very small, those of the lower jaw 

 without, or with very indistinct lateral cusps. Ventral fin with the 

 posterior margin obli(|ue. The second dorsal fin has a rather longer 

 base, and is generally a little larger, than the first. End of the anal 

 fin opposite to the origin of the dorsal ; its base is rather longer 

 than that of the dorsal, and somewhat more than one-half of its 

 distance from the caudal. Granulations of the back of the trunk 

 equally minute. Uniform brownish black in a dried state*. 



Cape of (iood Hope. 



a. Typo of the species, stuffed, 27 inches long. From Sir A. Smith's 

 Collection. 



10. Scyllium chilense. 



Scyllium chilense, Gxdclien. in Gay, Chile, Zool. ii. p. 362. 

 bivium, Dtimeril, Elasmobr. p. 321 (not synon.). 



The nasal valves are widely separate from each other, slightly 

 folded, ivltli a dotvnivard twif^t; no cirrus. Both jaws with a labial 

 f )ld proceeding from the angle of the mouth for about half their 

 length. Teeth very small, those of the lower jaw without lateral 

 cusps. Ventral fin with the posterior margin rather oblique. The 

 two dorsal fins equal. End of the anal fin opposite to the origin of 

 the dorsal ; the length of its base is equal to that of the dorsal fin, 

 and conspicuously less than one-half of its distance from the caudal. 

 Two bands of rather stronger granulations along the middle of the 

 back. Back of the trunk with two, of the tail with four irregularly 

 rhombic black transverse blotches. Upper parts with scattered small 

 black spots besides. 



Coast of Chile. 



a-c. Stuffed, 21-22 inches lung. Islay. Purchased of Mr. Whitely. 



11. Scyllium africanum. 



Squalus africamis, Gin. L. i. p. 1494 ; Jil. >Sch)i. p. 129 ; Lac6p. i. 



p. 251. 

 vittatus, Shmv, Zool. Misc. pi. 346. 



* I do not understnnd liow Miillor and Ilcnle obtained their notes on the 

 (H.loration, as they had only one cxainjile for examination, tlie same from whicli 

 1 have made tlic diagnosi.-i, and the only one known to exist in colieetions. 



