284 
HISTORY OF BRITISH CRUSTACEA. 
with green ; valves smooth and beset all round with fine 
hairs. 
Hab. Yetholm, and near London, in ponds and streams. 
Cypris Joanna, Baird. — Shell rounded, ovate, brown, 
with an orange mark across the back of the shell, covered 
with minute black dots, and beset all round with stiff hairs. 
Hab. Pool near Abbey St. Bathans, among the Lammer- 
muir Hills. 
Cypris elongata, Baird. — Shell wedge-shaped, white, 
transparent, hairy, hind part narrow and considerably elon- 
gated. 
Hab. Yetholm. 
Cypris Westwoodii, Baird. — Shell kidney-shaped, ele- 
vated, green ; valves covered over with long hairs. 
Hab. Yetholm. 
Cypris gibbosa, Baird. — Shell ovate and elevated, the 
centre with a large hump; valves light-green, with short fine 
hairs. 
Hab. Near London. 
Cypris clavata, Baird. — Shell oblong, flattened in front ; 
valves light-grey, with a dark-coloured ray running from the 
centre towards the hind extremity, which is marked with an 
orange-coloured spot. 
