LIST OF FISH. 77 



Squalus microcephalics, Block, Schneid. 135. 

 Somniosus brevipinna, Lesueur, Phil. Journ. i. pt. 2, p. 222. 

 Squalus borealis, Scoresby, Arct. Reg. i. 358, t. 15, 1". 3, 4. 

 Scymnus borealis, Flem. Brit. An. 166. Jenyns, Brit. An. 506. 

 Squalus (Scymnus) glacialis, Fabr. Isl. 23. 

 Scymnus inicropterus, Valeric. Nouv. Ann. du Mus. i. 455, 20. 

 Squalus glacialis, Nils. Prod. 116. 

 Greenland Shark, Yarr. Brit. Fish, ii. 403. 

 Squalus norsvegianus, Blainv. Faun. Fr. 61. 

 Squalus (Scymnus) Gunneri, Rich. Faun. Bor. Amer. iii. 313. 

 Scymnus brevipinna, De Kay, Nat. Hist, of New York, 361, pi. 61, 

 f. 202, pt. 1. Zool. 1842. 



Hab. — North Sea. 



a, b. Stuffed. English Coast. Presented by Messrs. J. & C. 

 Grove. 



4. Dalatias (Somniosus) bispinatus. 



Scymnus (Laemargus) Labordii, " Quoy. et Gaim." Mull. 8r Henle, 



Play. 94. 

 Scymnus bispinatus, Leiche Laborde, Quoy. $■ Gaim. Freyc. 197, 



pi. 44, 1'. 1,2. 

 Scymnus mauritianus, Quoy. <$• Gaim. Diet. Class, liv. ii. 



Hab. — Isle of France, Isle of Bourbon. 



5. Delatias (Somniosus) rostratus. 



Scymnus (Laemargus) rostratus, Midi, fy Henle, Play. 95. 

 Scymnus rostiaius, Risso, Hist. Nat. iii. 138, f. 7. 



Hab. — Mediterranean Sea. 



2. ECHINORH1NUS. 



Head flat. Corner pits of the mouth remote. Tongue bound 

 down. Teeth broad and low, with a nearly horizontal edge, which is 

 turned inwards somewhat beyoud the root, equal in both jaws. The 

 side edges with from one to three successive denticles, which 

 diminish in size from the edge towards the root. In the middle of 

 the under-jaw a gap with a very small mid-tooth of a pyramidal 

 shape. First back-fin over the belly-fins ; the second between the 



H 3 



