198 
HISTORY OE BRITISH CRUSTACEA. 
Podocerus pulchellus. — Eye-bearing lobes prominent; 
rings of the back without teeth. Hands of second pair of 
legs very large, 'and armed beneath with two rounded teeth. 
White, varied with reddish. 
South coast of England, and Berwick (Dr. Johnston) ; 
Swansea (Mr. Spence Bate) ; Banlf (Mr. Edwards) . 
Gen. 95. JASSA, Leach. 
Eyes not prominent. The four front legs with ovate 
hands ; the second pair larger, the inner edge armed with 
spines. 
Mr. Spence Bate believes that this genus is founded 
merely on females of the preceding. 
Jassa pelagica, Leach. Bell Rock Screw. (Plate X. fig. 
8.) — Body ash-coloured, varied with brown; the hand of 
second pair with its inner edge notched in a lunar form. 
Pound on the Bell Bock by Mr. Stevenson, the engineer, 
when superintending the erection of the lighthouse. 
Jassa ealcata, Montagu. Montagu* s Rock Screw .— Body 
crimson or mottled, with a mixture of white. Hands of 
second pair of legs with two spines on the inner edge. 
Length five lines. 
