342 



PEARLY SHARK. 



Squalus Cinereus. S. griseo-perlacens, dentibus magnis, com- 



pressis, acutiSy distinctis. 

 Pearly-grey Sharks with large^ compressed^ sharp, separate 



teeth. 



Squalus cinereus. S. spiraculis utrinque septem. Lin, GmeL 

 Perlon. Cepede. 



Allied to the Blue Shark : length about three 

 feet : colour pearly grey : skin less rough than in 

 the Blue Shark : eyes large : teeth large, compress- 

 ed, sharp, and separate : spiracles large : dorsal fin 

 single, situated in the midclle of the back, and 

 larger than the anal : tail bilobate. Native of the 

 Mediterranean : described in the Memoirs of the 

 French Academy by Broussonet, from a specimen 

 preserved in the British Museum. 



SPINY SHARK. 



Squalus Spinosus. S. griseo-fuscus, subtus albidus, corpore 

 tuherculis mucromtis inoequalibus sparsis muricato. 



Grey-Brown Shark, whitish beneath, with the body royghened 

 by unequal scattered sharp-pointed tubercles. 



Squale boucle. Cepede, 



Length about four feet : colour grey-brown 

 above, whitish beneath: body roughened with scat- 

 tered, unequal tubercles, consisting of a broad, 

 round base and curved, sharp-pointed tip, in some 

 bifid ; eyes large : snout prominent and conic : 



