iNo.1324. ELAS3WBLAXCniATE FISHES-JOIWJN AND FOWLEIl. ()l7 



Carcharias (Scoliodon) acutns Mullek and Henle, Plagiostomen, 1838, p. 29. — 

 Cantor, Malayan Fishes, 1850, ix 399.— Dumeril, Elasuiol:)ranrlies, II, 1S70, 

 p. 345; East Indies, China. 



Snout from front margin of mouth equal to, or a little less than, 

 distance of eye from gill-opening; very short lalnal groove at angle 

 of mouth, not extending on upper jaw, and for a very short distjince 

 only on lower. Pectoral with posterior margin slightly concave, 

 upper angle pointed, extending to, or somewhat beyond, origin of 

 dorsal; length of base of anal one-half, or less, its distance frotn ven- 

 tral; its pointed terminal lobe terminates not far from root of caudal; 

 terminal caudal lobe tapering. Posterior margin of pectoral whitish, 

 upper margin of caudal blackish. Length 17 inches, ((jiinther.) 



East Indies: Noted by Dr, GiUither as collected by Mr. Jamrach in 

 Japan, This record needs verification, 



i6. SCOLIODON WALBEEHMI (Bleeker). 



Carcharias (Scoliodon) toalhcehmi Bleeker, Nat. tyds. Ned. Ind., X, 1856, 

 p. 353; Bintang. — Dumeril, Elasniobranehes, II, 1870, p. 344 (after Bleeker). 



Carcharias tvalbeehmi Gf nther, Cat. Fish., VIII, 1870, p. 359; Bintang, Japan. — 

 Nystrom, Kong, Svensk. Vet. Ak., 1887, ji. 50; Nagasaki. 



Scoliodon walbeehmi Jordan and Evermann, Proc. U. S. Nat. Mus., XXV, 1902, 

 p. 318; Formosa. 



Snout from front margin of .mouth, more than distance of eye from 

 gill-opening; a short labial groove at angle of mouth extending for a 

 short distance on upper jaw as well as lower; distance between outer 

 angles of nostrils equal to that of nostril from extremity of snout. 

 Pectoral fin with posterior margin slightly concave and upper angle 

 pointed, extending somewhat beyond origin of dorsal fin; the length 

 of base of anal fin is about two-fifths of its distance from ventral, and 

 its pointed terminal lobe terminates at some distance from root 

 of caudal; terminal caudal lobe tapering. Coloration uniform. 

 (Giinther.) 



Coasts of southern Japan, not common. This or some related spe- 

 cies was seen at Nagasaki, and at Kawatana on the ba\^ of Omura, 

 but no specimens were secured. We have examined a specimen from 

 Formosa, 



(A personal name.) 



Family VH. SPHYRNID^, 



HAMMER-HEADED SHARKS. 



General (jharacteristics of the Carcharlidce, but the head singularly 

 formed, kidney-shaped or " hammer "-shaped, from the extension of 

 its sides, the nostrils being anterior and the eyes on the sides of the 

 "hammer;" mouth crescent-shaped, under the "hammer:" teeth of 

 both jaws similar, oblique, each with a notch on the outside near the 



