80 CATALOGUE OF THE INSECTS OF 
ham.”—Ornsby’s Durham. Gibside, Winlaton Mill, &c. May 
—September. 
2. O. RucosA, Linn. 
Steph. Illust., Mand., iii., 22. 
Common. 
3. O. APPENDICULATA, Selzer. 
Heer. #n. Col. Helv., i., 389.—O. sinuata, Steph. Illust., 
Mand., iii., 23. 
“Prestwick Car."—G. Wailes, Hsg. “Durham.”—Ornsby’s 
Durham. 
4. O. pispar, Herhst. 
Steph. Lllust., Mand., iii., 24. 
Prestwick Car in July.— l/r. A. Hancock. Long Benton in 
May.—7. J. B. South Shields.—/. H. 
Mr. Hancock found it feeding on Lymneus stagnalis, left ex- 
posed by the evaporation of the water, and this while the animal 
was evidently still alive. 
87. SmpHa, Linn. 
1. S. opscura, Linn. 
Steph. Illust., Mand., 111., 25. 
“Twizell."—P. J. Selby, sq. “Durham.”—Ornsby’s Dur- 
ham. Under stones at Marsden, in May.—l/r. A. Hancock. 
2. §. tristis, Z7/. 
Steph. Illust. Mand., iii., 25. 
Somewhat rare: “ Meldon Park.”—G. Wales, Hsq. “'Twi- 
zell."—P. J. Selby, Esq. Long Benton, South Shields, Hartle- 
pool. April and May. 
3. S. NIGRITA, Creutz. 
Steph. Illust., Mand., ii1., 26. 
“Newcastle, &c., very abundant.”—G. Wales, Hsq. “Twi- 
zell."—P. J. Selby, Esq. It is the commonest of the genus. 
The larva is fond of earthworms, and the perfect insect will 
devour flies and other insects. 
4. §. opaca, Linn. 
Steph. Ilust., Mand., iii., 27.—Curt. Brit. Ent., pl. 742. 
“Newcastle.”—G. Wailes, Esq. “'Twizell.,—P. J. Selby, 
Esq. 
