NORTHUMBERLAND AND DURHAM. 50 



Under the bark of Pinus sylvestris. " Twizell." — P. J. Selhy, 

 Esq. Long Benton and Gosforth. — T. J. B. May — September. 



149. Omalium, Gravenhorst. 



1. 0. RivuLARE, Payh. 



Gyll. Ins. Suec, ii., 214. — Steph. Illust, Mand., v., 354. — 

 Erichson, Gen. et Spec, Staph., 875. — Heer, Fn. Col. 

 Helv., \., 176. 

 Common, especially on the flowers oi Allium ursinum. June. 



2. 0. LiEVIUSCULU3I, Gyll. 



Gyll. Ins. Suec, iv., 464. — Erichson, Gen. et Spec. Staph., 

 887. — Omalium laeve, Steph. Illust, Mand., v., 352. 

 Common beneath sea- weed, along the coast. Budle Bay, 

 Beadnell, Newton-by-the-Sea, Hartley, Tynemouth, South Shields, 

 Marsden, Sunderland. February — September. 



Distinguished from 0. rividare, by the fineness of its punctur- 

 ing. 



3. 0. ExiGUUM, Gyll. 



Gyll. Ins. Suec, ii., 218. — Steph. Illust., Mand., v., 350. — 

 Erichson, Gen. et Spec. Staph., 876. 

 One specimen on the sand at South Shields. — J. H. May. 



4. 0. OxYACANTHiE, Grav. 



Erichson, Gen. et Spec. Staph., 877. — Omalium piceum, 

 Kirhy, Steph. Illust, Mand., v., 354. 

 " Twizell." — P. J. Selhy, Esq. Beneath sea- weed at Shields 

 and Marsden. — J. H, Newcastle and Cullercoats. — T. J. B. 

 May. 



5. 0. FossuLATUM, Erich. 



Erichson, Gen. et Spec. Staph., 877. — Heer, Fn. Col. Helv., 

 i., 176. — Omalium caesum, Gyll. Ins. Suec, ii., 215. — Steph. 

 Illust, Mand., v., 354. 

 Not unfrequent. " Twizell." — P. J. Selhy, Esq. Long Benton, 

 Ravensworth, Marsden, Swalwell. May. 



6. 0. conformatum. Hardy. 



Nigrum, nitidum, suhlineare, pedihus testaceis, antennis 

 elytrisque suhnigris, capitethoraceque creherrirne punctatis ; 



