54 



372. The Southern Chimsera or Elephant-fish {Callorhynchus antarctica, 



Gron. ; Chimera callorhynchus, Linn.). 



Fig. Ellis in Cook's First Voyage. Shaw's Gen. Zool. vol. v. pt. 2. p. 368. 

 Hab. The Australian Seas. 



Of this remarkable fish, the head only is preserved : on comparing it with 

 the corresponding part in the northern species, it will be found to differ 

 in having the upper lip extended into a long, fleshy appendage, which is 

 bent down somewhat in the form of a hook, being covered with a series 

 of undulating lines, and provided with a row of minute pores. 



Order X. PLAGIOSTOMI. 



Endoskeleton cartilaginous or partially ossified ; exoskeleton placoid ; gills fixed, 

 with five or more gill-apertures ; no swim-bladder ; scapular arch detached 

 from the head ; ventrals abdominal ; intestine with spiral valve. 



Family Spinacidae. 

 Genus SPINAX, Cuv. 



373. The Picked Dog-fish or Bone Dog (Spinax acanthias, Cuv. ; Squa- 



lus Acanthias, Linn.). 

 Fig. Cuv. Regne An. t. ii. p. 391. Yarrell, Hist, of Brit. Fishes, vol. ii. 



fig. at p. 400. 

 Hab. The British Seas. 



374. The Picked Dog-fish (Spinax acanthias, Cuv.). 

 A young specimen, with the yolk-bag attached. 



Presented by William Clift, Esq., F.R.S. 



Family Scyllidee. 

 Genus SCYLLIUM, Cuv. 



375. The Small Spotted Dog-fish (Scyllium canicula, Cuv. ; Squalus 



canicula, Linn.). 

 Fig. Cuv. Regne An. t. ii. p. 386. Yarrell, Hist, of Brit. Fishes, vol. ii. 



fig. at p. 367. Bloch, part iv. pi. 114, 

 Hab. British coasts. 



