284 HISTORY OP 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 j 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. 



