22 ART. I. — JORDAN, TANAKA AND SNYDER : 



58. Centroscyllium ritteri Jordan & Fowler. (Fig. 12). 



Easumizame. 



Ccntroscyllmni ritteri Jordan & Fowler, Proc. U. S. Nat. Mus., XXVJ, 1903, 



p. 635, fig. 6. Misaki, Sagami. 

 Distrib. — Sasfami Sea. 



Fig. 12. 

 Family I>AIi4 rill>.i:. 



Genus Dalalias Rafiuesque. 



Dalatias Rafinesque, Caratteri di Alcuni Generi, i8ro, p. 13. 



Type Dalatias sparopJtagjis Rafine.sque = Z>,rz/(7//(i:5- licJia (Bonnaterre). 



59. Dalatias licha (Bonnaterre). 



Yoroizame. 

 Squaliis liclux Bonnaterre, Encycl. Ichtli., 1788, p. 12. (After La Liehe ou 



Gatto, Broussonet, Mem. Ac. Sei., 17S8, p. Q-jj. " Le Cap," in southern 



France). 

 Sqiialus aincrieanus Gmelin, Sysr. Nat., 1789, p. 1503. (After Broussonet. 



" Cap Breton " in France. Being assumed to be in Nova Scoiia). 

 Distrib. — Mediterranean Sea and neighboring waters ; Japan. 



Family SO.'flNIOSlO.F:. 



Genus SomnioSUS Le Sueur. 



Somniosus Le Sueur, Jour. Ac. Nat. Sei. Phila., 181 8, 1, p. 222. 



Type Somniosus brevipinna\j^ Sueur =Scna/2( s viicrocephalus Bloch & 

 Schneider. 



60. Somniosus micro cephalus Bloch & Schneider. 



Oadenzame (Odawara, Sagami). 



Sqiialus mieroeephaliis Bloch & Schneider, Syst. Ichth., iSor, p. 135. Northern 



seas. 

 Distrib, — Arctic seas south to Cape Cod, Oregon, France and Japan. 



