186 
HISTORY OF BRITISH CRUSTACEA. 
Gen. 85. UROTHOE, Dana. 
Upper antennae scarcely longer than the peduncle of the 
lower. Coxae moderately developed. Jaw-feet prehensile ; 
last joint of other feet styliform. Telson double. 
Urothoe elegans, Spence Bate.' — Hands of jaw-feet 
very small. Upper antennae shorter than the lower. Last 
pair of caudal stylets feathery and subequal. 
Plymouth (Mr. Spence Bate). Mr. Bate remarks that 
this scarcely differs from the species described by the Ameri- 
can naturalist, which is a native of the Sooloo Sea. 
Gen. 86. NIPH ARGUS, Sckicedte * 
Eyes wanting ; upper antennae longer than the lower : 
the accessory flagellum minute, two-jointed ; last pair of 
egs with the inner style very short, the outer much length- 
ned and two-jointed. 
The type of this genus is a native of the subterranean 
grottos of Adelsberg in Carniola, where it occurs in little 
pools in the hollows formed by the dripping ; it springs 
* Stockholm Transactions, 1851. Halliday in 'Natural History Review/ 
Jan. 1857, p. 41. 
