7. GALEORHINID^ GALEOCERDO. 21 



essentially as in the ])receoflin^- (Gill). California. A single young 

 specimen known. 



(nitluotriacishciilci (Jill, L'roc. Ac. \al. Sci. F'hila. 18G'2, 486.) 



16.— OA!LEORmi\rS Blainvillc, 18l(>. 

 Topes. 



(Oalcus Cuvier. 1817.) 

 (Bhiiuvillo, 181() : type, SqiialuK yalcH-s L. ) 



First dorsal opposite the s])ace between the pectorals and ventrals ; 

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

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

 l)resent; no ])it at the base of the caudal tin; caudal tin with a single 

 notch. Tropical seas. {yaXio':, a kind of shark colored like a weasel ; 

 jo'ivv;, shark.) 



23. G. g:aleiis (L.) B\iun\.—Tope. 



A short labial fold on both jaws ; teeth ||. Second dorsal tin only 

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

 Length of tail nearly equal to distance between dorsals. {Gilnther.) 

 Europe to the Indian Ocean. " San Francisco." {Gilnther.) 



{Sqiialus (jaleiix 1.. Syst. Nat. : (htlcKs cauls Giinthcr, viii, :579.) 



17.— GALEOCERDO Miillcr& Honl.-, IKC. 



Tiger ^Sharlcs. 



(Miiller & Ht-nlc, Wi<'<;manii's Arcliiv, 18:57: typt> (raleocerdo li(/rini(.s yiWllev & Hcule.) 



IMouth crescent-sha])ed ; teeth nearly equal in both jaws, oblique, ser- 

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

 l)resent; caudal fin with a double notch ; a pit on the tail above and 

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

 tween pectorals and ventrals. Large sharks, found in most seas. {ya/.e6 r, 

 a kind of shark, marked like ,^a/i'r^, tlie weasel ; xs/vJo), a fox or weasel ; 

 xzfionz, craft.) 



24. G. ti^^l'ioius Miiller A- llcnli'. — Tii/rr Shark. 



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

 tin 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 ui)per jaw. {Giinthcr.) Cajie Cod 

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

 tion. 



(Miillcr & Heal.', .7J ; Gunther, 378.) 



