128 A HISTORY OF RECENT CRUSTACEA 
broader and not at all prominent, and there is no ‘ thora- 
cic sinus.’ Philyra pisum, de Haan, is said to be infested, 
Fie. 9.—Myra fugax (Fabricius) [de Haan]. 
like Leander squilla and Leander serratus, by a Bopyrus, 
making the sides of the crab bulbous. De Haan remarks 
that he never saw the Bopyrus in true females, and that 
in males they occupy the right side, in spurious females 
