ALPHEUS. 
Ill 
edge. The eggs, according to Mr. Thompson, are of a light 
red-green colour. 
Crangon bispinosus, Westw. Westwood’s Shrimp. — Cara- 
pace with two prominent spines, one behind the other ; and 
on each side a row of flat blunt notches. 
Hastings (Mr. Hailstone). 
Tam. ALPHEIDM , M. Edw. 
Antennse inserted on two rows, the inner above the outer. 
Beak very small and flattened. Legs stout, and scarcely 
ever showing traces of flabelliform appendage or palpus. 
First pair of legs very stout and thick ; the three last pair 
of legs always one-clawed. 
Gen. 39. ALPHEUS, Fair. 
Carapace prolonged in the form of a hood over the eyes. 
Beak small and sometimes wanting. Outer pedipalps more 
or less slender and elongated, broad and somewhat foliaceous 
at the end. Two first pairs of legs didactyle ; the first pair 
strong, one of them much larger and stronger than the 
other; second pair weak and filiform, the wrist many- 
joint ed ; three last pairs of legs monodactyle. 
