380 CARCHARIIDJ2. 



I. Stuffed, 41 inches long. Indian Ocean. 



TO. Stuffed, 5| feet long. Antarctic Ocean. 



n. Young. Tasmania. Purchased of Hr. Schwarzschild. 



0. Young. San Francisco. From Mr. Gruber's Collection. 



2. Galeus japonicus. 



Milll. ^ Ilenle, p. 58, pi. 23. 



Spiracle small. A short labial fold on both jaws. The second 

 dorsal fin is not much smaller than the first, and slightly in advance 

 of the anal. Length of the caudal fin rather less than the distance 

 between the two dorsals. {M. ^ H.) 



Japan. 



Group B. ZYG^NINA. 



7. ZYG-ffiNA. 



Cestracion, Klein, Pise. Miss. iii. p. 12. 

 Cestrorhinus, Blainville, Prudr. p. 121. 

 Zygfena, Cuv. Rhgne Anim. 

 Sphyi-na, (Rafin.) Midi. S( Henle. 



EuspLyra et Reniceps, Gill, Ann. Lye. Nat. Hist. New York, viii. 

 p. 4i2. 



The first dorsal fin opposite to the space between the pectorals and 

 ventrals, without spine. Caudal fin with a single notch. A pit at 

 the commencement of the caudal fin. Anterior part of the head 

 broad, flattened and laterally elongated. Eyes situated at the ex- 

 tremity of the lobes, with a membrana nictitans. Spiracles none. 

 Nostrils situated on the front edge of the head. Mouth crescent- 

 shaped. Teeth of both jaws similar, oblique, with notch. 



Temperate and tropical seas. 



1. ZygaBna blochii. 



Zygajna blocliii, Cuv. Regne An. ; Valenc. Mem. Mus. ix. p. 227, 



pi. 11. fig. 2 ; Benti. Life of Raffles, p. 094 ; Cantor, Quart. Med. 



Journ. Calcutta, 1837, and Trans. Med. ^ Phys. Soc. C<dcutta, viii. 



2. Append, p. ecxi, or in Ayin. S,- Mag. Nat. Hist. 1845, xvi. p. 372. 

 laticeps, Cant. Quart. Med. Journ. Calcutta, 1837, pis. 1-3 



(young). 

 Sphyrna blochii, Midi. ^- Henle, pp. 54, 199 ; Bleek. Verh. Bat. Gen. 



xxii. p. 6, and xxiv. Plag. p. 41, pi. 3. fig. 7 ; Cant. Mai. Fish. 



p. 404. 

 Cestracion blochii, Dumiril, Elasmobr. p. 383. 



The two lobes of the head very long, each being nearly thrice as 

 long as broad. The nostril is much nearer to the mouth than to 

 the eye, a deep groove running along the anterior edge of each 

 lobe. 



East-Indian archipelago. 



rt. Stuffed, 4 feet long. Calcutta. From Dr. Evans's Collection. 

 h, c. Young. Singapore. 



