(6 ART. I. — JORDAN, ÏANAKA AND SNYDER : 



Family r4:TIIVIU.x:. 



Genus Isuropsis Gill. 



Jsuropsis Gill, Ann. Lye. Nat. Hist. N. Y., VIII, iS6i, p. 153. 

 Type OxyrJiina glaiica Müller & Henle. 



38. Isuropsis glauca (Müller & Henle). 



Aozame ; Morozame. 



■OxyrJuiia glauca Müller & Henle, Plagiostomen, 1S38, p. 69, pi. XXIX. 



Nagasaki. (Erroneously stated to be from Java). 

 Distrib. — Coasts of Japan and southward, rather common about Nagasaki. 



Genus Lamna Cuvier. 



Lamna Cuvier, Règne Animal, 1st ed., 1817, p. 129. 

 Type Scjualns cor nubiens Gmelin. 



39. Lamna cornubica (Gmelin). 



Sakezame. 

 Squalus cû?'nuôicns GmeVin, Syst. Nat., I, 1788, p. 1497. Shores of Cornwall. 



(After Beaumaris of Pennant). 

 Distrib. — Common in Europe and southern Alaska ; Japan. 



Genus Carcharodon Smith. 



CarcJiarodon Andrew Smith, Proc. Geol. Soc. London, V, 1837, p. 86. 

 Type Carcharodon capcnsis Sm\\\\ = Scjualus carcharias Linnaeus. 



40. Carcharodon carcharias (Linnaeus). 



Osliirozame ; Hitokuizame. 

 Sqiialus carcharias Linn.xus, Sy.st. Nat., loth ed., 1758, p. 235. P^urope. (After 



Artedi. Not of most later authors). 

 Distrib. — All temperate and tropical seas ; occasionally taken in both the 



Atlantic and the Pacific. 



Family CETORHINID.E. 



Genus Celorhinus Biainviiie. 



Ccttrhinus Biainviiie, Journ. Phys., 1816, p. 264. 



Type Squalus gunner ianus Biainviiie = 5"(7?/<^///i" maxiuins Gunner. 



