60 CATALOGUE OF THE INSECTS OF 
There are two varieties; in the one the elytra are spotted, in 
the other lineated with black. 
4. H. urneatocouutis, Jarsh. 
Steph. Illust. Mand., i1., 41.—Dytiscus lineatocollis, Marsh., 
i., 429. 
Brooks; common. July—Sept. 
5. H. ruricouuts, De Geer. 
Steph. Illust. Mand., 11., 42.—Erichson, Kaf. der Mark. 
Brand., 1., 186.—Heer. Fn. Col. Helv., 1., 163, 10. H. 
melanocephalus, Steph. Illust. Mand., ii., 43.—H. fulvi- 
collis, Steph. Manual, No. 484. 
Ponds: abundant. March—Aug. 
6. H. cinereus, Deg. 
Aubé Iconog. Col. Kurop., v., 30.—Heer. Faun. Col. Helv., 
1, 163, 8. H. affinis, Steph. lust. Mand., ii., 42. 
“ Newcastle.”—G. Wailes, Esq. 
SuB-FAMILY 2. DYTICIDES, Westwood. 
55. Laccoputnus, Leach. 
1. L. nyaurnus, De Geer. 
Steph. Manual, No. 550. LL. minutus, Steph. Illust. Mand. 
i, 64. 
Common. April—June. 
56. Hyproporus, Clairville 
1. H. assruruis, Payk. 
Heer, Fn. Col. Helv., i., 153, 4.—H. frater, Steph. Illust. 
Mand., 11., 50, pl. xi., f. 4. 
Ponds. “ Twizell.”—P. J. Selby, Hsq. Prestwick Car, Boldon, 
Marsden, ec. 
2. H. evecans, Lllig. 
Dytiscus elegans, Panz. Fn. Germ., 24 f. 5. H. depressus, 
Steph. Ilust. Mand., ii., 51. 
In gravelly rivers and brooks, common. “ T'wizell.”—P. J. 
Selby, Esq. Ouseburn, Derwent, &c. March—Sept. 
3. H. puopectmpustuatus, Lab. 
Dytiscus 12, pustulatus, Mab. Syst. Hl, i, 270. H. 12 
pustulatus, Steph. LMlust. Mand., i1., 51. 
In streams, common. May—Aug. 
