.SMAI,I--SI'()TTEn DOG-FISH. 



367 



CHONDROPTERYGII. 



SQUATJD^:.* 



THE SMALL-SPOTTED DOG-FISH. 



MORc.AY, Scotland. — iioniN huss, Sussex coast. 



Scyllium canicula, La Grande Roussette, Cuvier, Regne An. t. ii. p. 386. 

 catnlui, Morgay, Fi.em. Brit. An. p. 165, sp. 8. 



canicula, Spotted Dog-fish, Jenyns, Man. Brit. Vert. p. 495, 



sp. 184. 

 Sqnalus canicula, LlNNi»:us. Bl.ocii, pt. iv. pi. 1 14. 



,, Spotted Shark, ^ Penn. Brit. Zool. vol. iii. pi. 19. 



catulus. Lesser Spotted Shark, S Upper fig. male ; lower fig. female. 

 ,, ,, „ Don. Brit. Fish. pi. 55. 



,, Le Squale Roussette, Bt.AiNviLiE, Faun. Franf. p. 69. 



Generic Characters — Head short and blunt ; nostrils pierced near the mouth, 

 and continued by a fissure to the edge of the upper lip, forming valves ; teeth 

 triangular, pointed, with a small lateral tubercle at the base on each side ; 

 branchial apertures partly over the pectoral fins: two dorsal fins; the first, about 

 the middle of the whole length, placed, in a vertical line, behind the ventral 

 fins ; the second, behind the anal fin. 



The true Sharks, as previously stated, liave tlieir gills 

 fixed, their margins being attached ; the water escaping by 

 five elongated branchial apertures, the form and position of 

 whicli, in conjunction with modifications observed in the 

 fins and other parts, furnish characters by which the different 

 divisions forming this family are distinguished. Among the 



• Tlie family of the Sharks. 



