ALLORCHESTES. 
163 
glossy. Head small. Hand of first pair minute, subcheli- 
form in both sexes ; hand of second pair of feet very large 
in male, feeble in the female; front edge oblique, convex. 
Common on our sandy coasts, and having the same habits 
as the Talitrus . 
Orchestia Deshayesii, Audouin. — Hands of second 
pair of legs strongly arcuate above ; their front edge very 
oblique, concave, and ending in a prominent pointed tooth, 
so as to be almost semilunar. 
Rare on the southern coast (Plymouth). 
Orchestia l^evis, Spence Bate. — Second hand in the 
male long and triangular, and without a thumb or tooth 
on the palm. 
Pound at Swansea by Mr. Spence Bate, who first de- 
scribed it. 
Gen. 60 . ALLORCHESTES, Dana. 
Upper antennm about half the length of the lower ; the 
basal joints of the lower not completely fused into the facial 
wall of the head. Olfactory spine rudimentary. Pirst two 
pairs of feet subcheliform ; mandible without palpi. 
Allorchestes Danai, Spence Bate.'* — Upper antenna 
* Annals and Magazine of Nat. Hist , Eeb. 1857. 
