11. jrUSTELUS. 387 



small whitish spots. Hind margin of the caudal fin gonorally 

 whitish. 



European coasts, extending probably to the United States. 



a, h-c. Fine adult examples. Guernsey. Presented hy Dr. A. 



Giinther. 

 d. Half-grown. Berwick -on-Tweed. Presented by Dr. Jolinstone. 

 e-g. Adult : stuffed. 

 h. Jaws. Polperro. 



3. Mustelus manazo. 



!Mustelus vulgaris, Schleg. Faun. Japon, Poiss. p. 303, pi. 134. 



manazo, Bleek. Verh. lint. Gen. xxvi. Kioiwc Nitlez. Japiin, 



p. 120. 



Embryo not attached to the uterus by a placenta. Snout pro- 

 duced, pointed, the length of its pncoral portion being rather more 

 than the distance between the angles of the mouth. Teeth rhombic, 

 without a distinct cusp. Origin of the dorsal fin opposite to the 

 inner posterior angle of the pectoral. Uniform greyish, or with 

 small whitish spots. 



Japan ; ? Ceylon. 



a. Adult female \vith foetus. Japan, l^irchased of l\lv. Jamrach. 

 h-d. Adult males and young. Japan. Purchased of Mr. Jamrach. 

 ? e. Young. Ceylon. Presented by — Templeton, Esq. 



4. Mustelus antarcticus. 



Embryo not attached to the uterus by a placenta. Snout rather 

 obtuse, not much produced, the length of its pra^oral ])ortion being 

 somewhat less than tlie distance between the angles of the mouth. 

 The upper teeth with a rather cutting edge, but without prominent 

 cusp. Origin of the dorsal fin behind the iiiiier posterior angle ol' 

 the pectoral. Uniform greyish. 



In all other respects like M. vuljcri.'i. 



Southern Pacific. 



a. Adult female Avith foetus. Ncav South Wales. From 'Mr. 



Krefft's Collection. 

 I). Adult male. Tasmania. Purchased of Mr. Schwarzschild. 

 c. Young. New Zealand. Presented hy Sir Jolin llichardsr)n. 

 d-f. Adult : atitffed. Antarctic Expedition. l^resented by the 



Lordf? of the Admiralty. 



o. Mustelus maculatus. 



Triakis maculatus. Kne>- i!^- Stcindachnrr, Sitzr/sher. Ak. 1Vi.i.<. Wim. 

 1867, liv. p. 3!)i. 



Embryo (?). Snout moderately produced, the length of iis pra:'oral 

 portion being a little less than the distance between the angles of 

 the mouth. Teeth less obtuse tlian is usual in the genus, tlic upper 

 with one, two, or three very short cusi)s, most of the lower Avithout 

 cusps. Origin of the dorsal fin opposite to the inner posterioi' angle 



2 c 2 



