O. Harger—Isopoda from New England. 375 
females being generally considerably larger than the males, but 
More specimens are necessary to prove the constancy of this 
proportion. : 
The specimens of this species were found adhering to Prim- 
noa, from St. George’s Bank. : 
Astacilla Fleming, is synonymous with Leacia (Leachia) John- 
ston, which is preoccupied. 
exceeding the propodus; second pair longer than 
third and fourth increasing slightly in length; carpus and pro- 
