24 , NEW YORK STATE MUSEUM , 



outer margin with a deep notch; spiracles present; the last two 

 gill openings over the pectoral base; caudal fin with a pit at the- 

 root above and below; first dorsal fin above the space between 

 pectorals and ventrals. Size large. 



7 Graleocerdo tigrinus Mtiller & Henle 

 Tig&i^ Shark; Leopard Shark 



Oaleocerdo tiffi'inus Mvi.ii,BB, & Henle, Plagiostomen, 59, pi. 23, 1838; Gun- 

 THER, Cat. Fish. Brit. Mus. VIII, 378, 1870; Jordan & Gilbert, Bull. 

 16, U. S. Nat. Mus. 21, 1883; Jordan & Evermann, Bull. 47, U. S. Nat. 

 Mus. 32, 1896; Smith, Bull. U. S. F. C. for 1897, 88, 1898. 



The caudal fin forms about one third of the total length and 

 exceeds the space between the dorsals; the second dorsal is in 

 advance of the anal; upper jaw with a long labial fold; teeth 

 If. Color yellowish gray, whitish beneath,, brown on the 

 middle of the back and with numerous brown cross bands and 

 spots on the sides; adults nearly uniform brown. Said to reach 

 a length of 30 feet. 



Tropical seas, occasionally found in summer northward to 

 Cape Cod and to San Diego. 



Dr H. M. Smith has published the following record of its 

 occurrence near Woods Hole Mass. " Present every year in 

 variable abundance, and caught in traps in Vineyard sound and 

 Buzzards bayl The last species of shark to appear in this 

 region, rarely coming before August. It remains until October. 

 Usual length, 5 feet." The writer has seen a tiger shark fully 

 9 feet long in a trap at Marthas Vineyard. 



Genus prion ace Cantor 



Body and head slender; teeth in both jaws strongly serrated 

 in adults, broad in the upper jaw, narrow, straight and clavi- 

 form in the lower; spiracles absent; first dorsal large, its origin 

 midway between axils of pectorals and ventrals; second dorsal 

 much smaller than first, usually equal to anal; embryo without 

 placental attachment to uterus; size large; inhabiting warm, 

 seas. 



