INSECTS — COLEOPTERA. 



Table I. — Genera common to the Eastern and Western Continents. 



Names of families. 



•2 a 



o 3 

 Eh 



Bussian America. 



In Atlantic 

 States. 



Oregon. 



California. 



In Atlantic 

 States. 



In Atlantic 

 States. 



Adephaga 46 



Silphales ' 11 



Staphylinidae 42 



Scarabaeidae j 9 



Elateridae 1 9 



Tenebrioiiidae | 6 



Cerambycidae 17 



Chrysomelidae I 16 



27 I 4 25 



8 ' 3 t 2 



25 I 5 i Not collec. 



2 1 1 4 



5 I i 9 



1 3 



11 I 1 13 



6 i ■ 10 



35 + 2?i 



3 



30 



7 + 1^ 



7 



4 



10 



13 



Calleida, Patrobus. 



' Sinodendron : a species from the Atlantic States, is described by Beauvois. 



The genera of the above table, which have not been found in the Atlantic States, are : 



In Russian America. — Miscodera, Leistus, Pelophila, Trachypachys, Necrophilus, Sphaerites, Lyrosoma, Bolitochara, Synto- 

 mium, Phloeonaeus, Arpedium, Deliplirum, Rosalia. 



In Oregon. — Callisthenes, Trachypachys, Necrophilus, Ergates, Rosalia, Timarcha. 

 In Califamia. — Anillus, Necrophilus, Tryssus, Calcar, Ergates, Mesosa, llmarcha. 



Table II. — Genera peculiar to America. 



' Triorophus, Eurymetopon, Eleodes, (loniontis. 



Oenemona ? 



The columns headed A contain genera found in the centra! desert regions of Kansas, New Mexico, and Texas, although 

 not extending into the Atlantic region proper. Those headed B, therefore, contain the genera peculiar to the Pacific slope. 



The genera of the above table which are found in the Atlantic States, are : 



In Russian America. — Pristodactyla, Epiphanis. 



In Oregon. — Anisodactylus, Haplochile, Ligyrus, Diplotaxis, Dichelouycha, Canthon, Anelastes, Alaus, Asaphes, Nosoderma 

 Blapstinus, Tetraopes, Saxinis, Microrhopala. 



In California. — Diaphorus, Thalpius, Lachnophorus, Casnonia, Axinopalpus, Anisodactylus, Pasimachus ? Ligyrus, Cremas- 

 tochilus, Diplotaxis, Dichelouycha, Camptorhiua, Cauthou, Anelastes, Perothops, Monocrepidius, Melanactes, Nosoderma 

 Blapstinus, Tetraopes, Chlamyg, Saxinis, Diabrotica, Microrhopala. 



