7. GALEORHINIDJ2 - GALEOCERDO. 21 



essentially as in the proceeding (GUI). California. A single young 

 specimen known. 

 (liMnotriacis hciilei Gill, Proc. Ac. Nat, Sci. Phila. 1802, 486.) 



16. GAIJEORHINITS Blainville, 1816. 



Topes. 



(Galeus Cuvier, 1817.) 

 (Blaiuville, 1816: type Squalus galcus L. ) 



First dorsal opposite the space between the pectorals and ventrals ; 

 mouth crescent-shaped, with the teeth alike in both jaws, oblique, 

 notched, and serrated; spiracles present, small; nictitating membrane 

 present ; no pit at the base of the caudal tin ; caudal fin with a single 

 notch. Tropical seas. (yatt<>-, a kind of shark colored like a weasel; 

 shark.) 



23. G. galeus (L.) Blainv. Tape. 



A short labial fold on both jaws ; teeth ij-f Second dorsal fin only 

 one-third the size of the first and somewhat in advance of the anal. 

 Length of tail nearly equal to distance between dorsals. (Giinther.) 

 Europe to the Indian Ocean. " San Francisco." (Giinther.) 



(Squalus f/alfiix 1.. Syst. Nat. ; Galeus camx Giinther, viii, 379.) 



17. GALEOCERDO Miill.-r & Henle, 1H37. 



Tiger Sharks. 

 (Miiller & Henle, AViegmaun's Archiv, 1837 : type Galeocerdo Ut/rimm Miiller <5L Henle.) 



Mouth crescent-shaped ; teeth nearly equal in both jaws, oblique, ser- 

 rated on both margins, with a deep notch on outer margin ; spiracles 

 present ; caudal fin with a double notch ; a pit on the tail above and 

 below at the base of the caudal tin ; first dorsal opposite the space be- 

 tween pectorals and ventrals. Large sharks, found in most seas. (^a/ -, 

 a kind of shark, marked like , v a/6j, the weasel ; -/.zpdoj, a fox or weasel ; 

 /.pdt>--, craft.) 



24. G. tigriuus Miiller & Henle. Tiger Shark. 



Color brown, with numerous dark spots larger than the eye ; caudal 

 fin forming about one third of the total length, much longer than the 

 space between the dorsal fins; second dorsal somewhat in advance of 

 the anal; a long labial fold along the upper jaw. (Giinther.) Cape Cod 

 to Indian Ocean ; a rather large shark, known by its variegated colora- 

 tion. 



(Miiller & Henle, 59 ; Giinther, 378.) 



