ALLORCHESTES IMBRICATUS. 
43 
A MPHIPODA . 0 R CH ES T I ID JE . 
SALT ATOM A 
ALLORCHESTES IMBRICATUS. 
Specific character . — Dorsal median line slightly carinated and imbricated. 
The inferior antennae more than twice the length of the superior. First pair of 
gnathopoda very much smaller than the second pair. 
Length ~ of an inch. 
Allorchestes imbricatus, Spence Bate, Report Brit. Assoc. 1856, p. 57. 
Ann. Nat. Hist. Feb. 1857. Cat. Amph. Brit. 
Mus. p. 41, pi. vi. fig. 8. White, Pop. Hist. 
Brit. Crust. 1858, p. 164. 
The eyes of this species are small and round. The 
peduncle of the superior antennae is quite half the length 
of the antennae, and reaches nearly to the extremity of 
the peduncle of the inferior. The first pair of legs have 
the hand more than as long again as broad ; the wrist is 
but slightly produced inferiorly. The second pair of 
legs have a very large and powerful hand, with the palm 
slightly oblique, and the finger fitting into a groove. 
The hand is broader posteriorly than at the palm. The 
four anterior pairs of squamiform coxae are large, but 
scarcely so deep as the respective segments of the body 
to which they are attached. Those of the fifth pair of 
legs are about half as deep as the preceding, and are 
