CANDONA. 
161 
prominent or gibbons in the centre, and glabrous, the 
edges being fringed with rather long hairs. The colour 
is of a light whitish-green, variegated with marks on the 
anterior and posterior margins ; and on the sides, of the 
same colour, but of a deeper hue. 
Hob . — Neighbourhood of London, summer months. 
Yetholm Loch ; Newnham Loch, Northumberland, Dr. 
Johnston. 
3. Candona hispida. Tab. XIX, fig. 4. 
Cypkis hispida, Baird, Trans. Berw. Nat. Club, i, 99, t. 3, f. 14, 1835 ; 
Mag. Zool. and Bot., ii, 135, t. 5, f. 6. 
— M. Edwards, Hist. Nat. Crust., iii, 405. 
Candona hispida, Baird, Trans. Berw. Nat. Club, ii, 153, 1845. 
Shell oval, rather ventricose, the anterior extremity a 
little broader than the posterior. The colour is a uniform 
brown, with one or two marks of a deeper hue running 
across the centre ; both extremities partaking of the same 
dark shade. The valves are very hispid, their surface 
being covered with spines rather than hairs. 
Hab . — Neighbourhood of London ; Yetholm. Summer 
months. 
4. Candona detecta. 
Cypkis detecta, Muller, Zool. Dan. Prod., No. 2386, 1776 ; Ento- 
mostraca, 49, t. 3, f. 1-3. 
— Bose, Man. d’Hist. Nat. Crust., ii, 295. 
— Latreille, Hist. Nat. Crust., iv, 241. 
— Leach, Edinb. Encyc. art. Crust., vii, 388. 
— Baird, Mag. Zool. and Bot., i, 525. 
— Lamarck, Hist. An. s. Yert., v, 124. 
Monoculus detectus, Gmelin, Linn. Syst. Nat., 3001, No. 36. 
— Manuel, Enc. meth., vii, 725, No. 30, t. 266, 
f. 15-17. 
— Rees, Encyclop., art. Monoculus. 
Smooth white insect, Muller , Phil. Trans., lxi, 230, t. 7, f. 1-3. 
Candona detecta, Baird, Trans. Berw. Nat. Club, ii, 153, 1845. 
Shell oblong oval; the anterior extremity rather narrower 
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