CRUSTACEA. 145 



The body is about two fifths of an inch long, of a pale 

 straw-colour, tinted with brownish at the joints and the bases 

 of the limbs. Superior antennae twice as long as the in- 

 ferior, beautifully banded with red. Eyes irregularly rounded, 

 brownish red or pale brick-red. The first and second gnatho- 

 pods are nearly equal (the second, liowever, being larger) and 

 similar in sti'ucture. Hand almond-shaped, the palm fur- 

 nished with a series of very distinct stout spines, and a row 

 of smaller spines reaching the base of the finger ; the latter 

 is long, boldly curved, and regularly divided on the concave 

 side. The first and second pleopods have spines, that of the 

 former, however, being sometimes indistinct. A very cha- 

 racteristic convexity occurs at the junction of the third and 

 fourth pleopods ; and the dorsal margin of the latter is 



Genus Leucothoe, Leach. 



Leucothoe spinicarpa, Abildgaard ; B. & W. o]). cit. i. p. 271 

 (as L. artlculosa). 



Occasionally in pools at the East Kocks, and on the West 

 Sands after storms. 



Genus AoRA, Kroyer. 

 Aora gracilis, Bate ; B. & W. op. cit. i. p. 281. 

 Not uncommon in the debris of the fishing-boats. One had 

 a spike beneath the second pair of gnathopods. 



Genus MiCEODEUTEROPUS, Costa. 

 Microdeuteropus Websteri, Bate ; B. & W. op. cit. i. p. 291. 

 In the stomach of a haddock, and in debris of the fishing- 

 boats. Body of a straw-colour, the antenna; having lighter 

 and darker bands of the same hue ; eyes round, black. 



Genus Bathtpoeeia, Lindstrom. 

 Bathyporeia jiifosa, Lindstrom ; B. & W. op. cit. i. p. 304. 

 Common off the East Rocks in the laminarian region. 



