18U.] 



211 



in the case of eaeli species is printed in italics 



may be thus tabulated : — 



■Species closely allied or 

 Identical Species. of doubtful identity. 



The general results 



Total. 



Coleoptera 



Orthoptera , 



Pseudoneuroptera , 



Neuroptera 



Hymenoptera 



Lepidoptera 



Homoptera 



Heteroptera 



Diptera 



61 

 1 



20 



11 

 9 



63 



3 



7 



185 



Total... 304 



56 



360 



Species of Insects common to North America and the Old World. 



COLEOPTERA.— Identical species. 

 Carabidae. Amara vulgaris (Eur. and Boreal America) Kirhy. — A. communis 

 (Eur. and U. S.) Dejean. — A. familiaris (Eur. and U. S.) Dejean. — A. similata 

 (Eur. and U. S.) Dejean. — Curtonotus convexiusculus (Eur. and Bor. Am.) Kirby. 

 — Pterostichus orinomum (Eur. and N. A.) Kirby and Klug. — Bembidium oiipo- 

 situm Say and B. 4-maculatum (Eur.) LeConte. — B. tetracoluifl Say and B. rupes- 

 tre (Eur.) LeConte. — Gyrinidae. Gyrinus a;neus (Eur. and Bor. Am.) Kirby. — 

 Hydropliilidae. Philliydrus marginellus (Eur. and Bor. Amer.) Kirby. — Ph. 

 melanocephalus (Eur. and Bor. Am.) Kirby. — Hydrobius fuscipes (Eur. and 

 Bor. Am.) Kirby. — Cercyou mundum Melsh. and C. centrimaculatum (Eur.) 

 LeConte »\u\ Erichson. — C. maculatum Melsh. and C. anale (Eur.) LeConte and 

 Erichson. — Silphidae. Silpha caudata Say and S. lapponica (Eur.) LeConte. — 

 Staphylinidse. Tachinus trimaculatus Say and Bolitobius pygmseus (Eur.) 

 Erichson. — Tachyporus faber Say and T. brunneus (Eur.) Erichs. — O.xytelus 

 rugulosus Say and 0. nitidulus (Eur.) Erichs. — Olisthserus laticeps Lee. and 

 0. megacephalus (Eur.) LeConte. — Phalacridae. Olibrus bicolor (Eur. andU. 8.) 

 LeConte. — Cucujidae. Silvanus dentatus Say and Nausibius dentatus (Eur.) Le 

 Conte. — Mycetophagidae. Typhoea fumata (Eur. and all parts of the world) Le 

 Conte. — Dermestidae. Dermestes lardarius (Eur. and N. A.) Melsheimer, <S:c.* — 

 Attagenus cylindricoruis Say and A. megatoma (Eur.) LeConte. — Byrrhidae. 

 Byrrhus alternatus Say and Cytilus varius (Eur.) LeConte. Scarabaeidae. 

 Onthophagus rhinocerus Melsh. and 0. xiphias (Eur.) Melsheimer. — Apho- 

 dius nodifrons Rand, and A. fimetarius (Eur.) LeConte. — A. 4-tuberculatus 

 Fabr. and A. granarius (Eur.) LeConte. — A. pensvallensis Melsh. and A. errati- 



* As I have already said, [Proc. Ent. Soc. Phil. II. p. 184,) I find this species 

 abundant in the woods of Illinois remote from houses, and incline to believe 

 that it is indigenous. 



