AA. 
Class PISCES. 
Family SQUALID. 
Genus ACANTHIAS. 
Acanthvas vulgaris, Risso. Picked Dogfish. 
Hab. British Seas. 
a-c. Purchased, July 18, 1872. 
Family TRACHINID. 
Genus TRACHINUS. 
Trachinus vipera, C. & V. Lesser Weever. 
Hab. British Isles. 
a-c. Purchased, April 12, 1872. 
amily GADID/. 
Genus Gapus. 
Gadus merlangus (Linn.). Whiting. 
Hab. British Seas. 
Family PETROMYZONTID A. 
Genus PETROMYZON. 
Petromyzon marinus, Linn. Sea-Lamprey. 
Hab. British Seas. 
a. Purchased, April 12, 1872. 
