CRUSTACEA. 



91 



assured that it only wants to be looked for on rocky coasts above 

 high-water to be found. 



OnciiESTiA desiiaysii. — Auclouin, Explic. Savigny, Crust. Egypt, 

 p. hi., fig. 8. 



Pare. Few specimens have been taken in England, of these 

 most have been found on the rocky parts of Plymouth Sound. 



Genus, Allorciiestes. — Dana. 



Like Orchestia, but the first pair antennfe are longer than the 

 peduncle of the second. 



Allorciiestes nillsonii. — Ratlihe, Beit, zur Fauna, Norw, xx, p. 

 264. 



This animal may generally be found nearer the sea than 

 Orchestia, and lives between high- water mark of ordinary tides 

 and that of spring tides, in damp places, under weeds and 

 stones. 



Allorchestes imbricatus. — Spence Bate. — Bate and Westwood 

 Sessile-eyed Crust., vol. i, p. 43. 



Genus, Nicea. — Nicolet. 



Both pairs of antennse short, subequal. First two pairs of 

 legs subchelate. Telson, or extremity of the tail, deeply cleft. 

 Nicea lubbockiana. — Spence Bate. — Bate and Westwood, Sessile-eyed 

 Crust., vol. i, p. 74. 



I have received specimens of this species from Falmouth and 

 Penzance. 



GAMMABIDJE. (Stegocephalldes.) 

 Genus, Montagua — Spence Bate. 



Antenna) subequal, first pair without a secondary appendage. 

 First two pairs of feet subchelate. 



Montagua monoculoides. — Montagu, Trans., Lin., vol. xi, pi. 11, 



fig 3. 



I have received this from Falmouth, Penzance, and Plymouth. 

 Montagua marina. — Spence Bate. — Bate and Westwood, Sessile- 

 eyed Crust., vol. I, p. 58. 



I havo found this species in the refuse of the trawlers, oil' the 

 ■ Eddystone. Mr. Edward, of Banff, has sent it to mo from the 



