406 SCYLLIIBJi. 



Scyllium africanum, Cuv. Hk/iw An. ; 3IiiU. c^ Henle, p. 12, pi. 7 ; 



Stnith, 111. Zoul. S. Aft: Finh. pi. 2-5. fig. 1 ; Ditmeril, Elasvwhr. 



p. 321. 

 Squalus sh-iatus, Forst. Descr. An. ed. Liclit. p. A()7. 

 Scvllium variegatum, S/iiith, I. c. fig. 2 ; 3Jii//cr ^- Henle, p. 14. 

 pantberiuum, Smith, I. c. fig. 3 ; Midler ^- Jlenle, p. 13 ; Biimeril, 



Elasmohr. p. 322. 



Nasal valves widely separate from each other, each with a pro- 

 minent, shorter or longer cirrus*. A labial fold at the angle of the 

 mouth, not extending on the upper jaw. Teeth very small, tricuspid. 

 The second dorsal tin only half the size of the first ; end of the anal 

 fin below the middle of the second dorsal. The coloration varies. 



South Africa. 



Yar, a. africana a. striata. Five or seven black bands along the 

 upper parts ; each band sometimes lighter in the middle. 



a-g. Stufied, from 22 to 38 inches long. Cape seas. 

 7i. Half-grown. Cape of Good Hope. 



Var. /3. variegata. Only the black outlines of some of the dorsal 

 bands remain ; sides with indistinct small blackish spots. 



i. Type of Sc. variegatmn, 24 inches long : stuiFed. Algoa Bay. 

 From Sii' A. Smith's Collection. 



Var. y. jiantherina. Upper parts covered with ii'regular ring-like 

 blackish markings. 



k. Type of 8c. pantherinv.m, 27 inches long : stuifed. Algoa Bay. 

 From Sir A, Smith's Collection. 



21. PRISTIURUS. 



Pristiurus, Bonap. Fann. Itul. Peso. 



Two dorsal fins, without spines ; the first above or behind the 

 ventrals ; origin of the anal fin in advance of that of the second 

 dorsal. A series of small, flat spines on each side of the upper edge 

 of the caudal fin. Snout much produced, covered with a thick layer 

 of cellular tissue, within which a gelatinous substance is secreted, 

 escajjing by numerous pores of the skin. Spiracle behind the eye. 

 Nostrils wide, inferior, covered by a short valve. Teeth small, tri- 

 cuspid. 



European seas. 



1. Pristiurus melanostomus. 



Squalus catulus, Gmmer, Trundh. Selsk. Skrift. ii. p. 249. 

 Haae-Gjjile, Strom, Siindm. i. p. 283. 

 Rodhaae, Ascan. Ic. iv. p. 5, tab. 38. 

 Squalus prionunas. Otto, Conspect. p. 5. 

 ScyUium artedi, Sisso, Fur. Merid. iii. p. 117. 



* The cirrus extends to the labial margin not only in the examples named 

 " variajatum" and " panther inum!'' but also in some really banded specimens; 

 generally it is shorter. 



