168 HISTORY OP BRITISH CRUSTACEA. 



the lower antennae is scarcely longer than the upper, has 

 been found at Plymouth by Mr. Spence Bate. 



Lysianassa Audouiniana, Spence Bate. — Lower an- 

 tennae much shorter than the upper ; filamentary appendage 

 to the upper rudimentary. 



Plymouth (Mr. Spence Bate). 



Lysianassa Chausica, Milne-Edwards. — Lower an- 

 tennae longer than the upper, and longer than the entire 

 animal. 



Plymouth (Mr. Spence Bate). 



Lysianassa marina, Spence Bate. — Lower antenna 

 longer than the upper, but not half so long as the entire 

 animal. 



Plymouth Sound (Mr. Spence Bate); Banff (Mr. Edwards) . 



Gen. 66. SCOPELOCHEIRUS, Spence Bate* 



Upper antennae furnished with a secondary appendage. 

 First pair of jaw-feet ending in a brush,t second cheli- 

 form. Telson double. 



Scopelocheirus crenatus, Spence Bate. — Head fur- 



* Ann. and Mag. Nat. Hist. "Feb. 1857. 



f Hence the generic name, from aKoiry]Kos, a brush, and x €l P> the hand. 



