54 



LIST OF PISH. 



1. Galeocerdo tigrin us. Tiger Tope. 



Galeocerdo tigrinus, Mull. $■ Henle, Play. 59. 



Had. — Indian Seas. Mus. Berlin. 



a. Stuffed. Indian Seas. Presented by T. C. Jerdon, Esq 



2. Galeocerdo akcticus. Arctic Tope. 



Galeocerdo arcticus, Mull. §• Henle, Flag. 60. Bonap. Selac. 



Tab. Anal. 10, 1838. 

 Canis Carcharias, sp. 2, Herissant, Ac. de Sci. 158, pi. 19, 1749. 



Lacep. i. t. 8, f. 2 (teeth). 

 Squalus Carcharias, Blake, Dent. Format. §• Struct, t. 6, f. 5 (teeth). 

 Galeus arcticus, Faber, 17. 

 Squalus arcticus, Nils. Prod. 115. 



Galeus cepedianus, Agassiz, Feuill. 71, t. E, f. 5, 6 (teeth). 

 Galeus, Owen, Odontol. t. 28, f. 9 (teeth). 



Hab. — North Sea Islands, Faroe, Norway. 

 «, b. Jaws. From the Chatham Museum. 

 e. Jaws. Presented by Mr. H. S. Hall. 



3. LOXODON. 



Pupil round. Teeth with an oblique edge without serratures, 

 and a ledge on the outer side of the base also entire, alike in both 

 jaws: in the upper-jaw a middle tooth; in the under-jaw none. 

 Spiracles small, behind, and near the eyes. Tail-pit above and be- 

 low. Upper lobe of the tail-fin only once notched. Gut-valve ? 



Loxodon, Mull. $■ Henle, Mag. Nat. Hist. ii. 1838. Plagiost. 61. 

 (not F. Cuvier). Bonap' Selac. Tab. Anal. 10, 1838. 



1. Loxonox macrorhinus. Large-beaked Loxodon. 

 Loxodon macrorhinus, Midi, fy Henle, Plag. 61. 

 Hab. ? Mus. Berlin. 



4. THALASSORHINUS. 



Pupil perpendicularly oval. Nasal-flap very short. Teeth three- 

 cornered, without a ledge, serrated. Spiracles tolerably large. Tail- 

 fin, as in Carcharias, only once notched. Tail-pit conspicuous 

 above and below. Gut-valve rolled lengthways. 



