Table I 
INSECTS — COLEOPTERA. 
— Genera common to the Eastern and Western Continents. 
5 
Names of families. 
o o 
Adephaga 46 
Silphales j 11 
Staphylinidae -.1 42 
Scarabaeidae | 9 
Elateridae \ 9 
Tenebrioiiidae | 6 
Cerambycidae 17 
Chrysomelidae 16 
EussiaQ America. 
Oregon. 
In Atlantic 
States. 
In Atlantic 
States. 
27 
8 
25 
2 
6 
1 
11 
6 
25 
2 
Not collcc. 
4 
9 
3 
13 
10 
California. 
In Atlantic 
States. 
2 : 35 + 2?' 
1 i 3 
\ 30 
j 7 + P 
! 7 
I 4 
2 I 10 
1 j 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. — Miscodcra, Leistus, Pelophila, Tracliypachys, Necrophilus, Sphaerites, Lyrosoma, Bolitochara, Synto- 
mium, Phloeonaeus, Arpedium, Deliijhrum, Rosalia. 
In Oregon. — Callisthenes, Trachypachys, Necrophilus, Ergates, Eosalia, Timarcha. 
In California. — Anillus, Necrophilus, Tryssus, Calcar, Ergates, Mesosa, Timarcha. 
Table II. — Genera peculiar to America. 
Names of families 
amber 
lera. 
Russian America. 
Oregon. 
California. 
Total ni 
of Gei 
In Atlantic 
States. 
Not in Atlantic 
States. 
In Atlantic 
States. 
Not in Atlantic 
States. 
In Atlantic 
States. 
Not in Atlantic 
States. 
Adep aga 
18 
1 
A. 
2 
A. 
B. 
3 
6-f- 1 ? 
A. 
1 
B. 
7 
Staphylinidae 
2 
1+ 1 ? 
Not col. 
Not col. 
1 
Scarabaeidae 
7 
4 
6 
1 
1 
8 
1 
3 
4 
Tenebrionidae 
19 
1 
2 
2 
1 
2 
43 
12 
1 ?" 
Cerambycidae 
6 
o 
1 
1 
Chrysomelidae 
4 
2 
4 
' Triorophus, Eurymetopon, Eleodes, Coniontis. * Oenemona ? 
The columns headed A contain genera found in the central 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 ylmerica.— Pristodactyla, Epiphanis. 
In Oregon. — Anisodactylus, Haplochile, Ligyrus, Diplotaxis, Dichelonycha, Cantlion, Anelastes, Alaus, Asaphes, Nosoderma 
Blapstinus, Tetraopes, Saxinis, Microrhopala. 
In California. — Diaphorus, Thalpiufi, Lachnophorus, Casnonia, Axinopalpus, Anisodactylus, Pasimachus ? Ligyrus, Cremas- 
tochilus, Diplotaxis, Dichelonycha, Camptorhina, Canthon, Anelastes, Perothops, Monocrepidius, Melanactes, Nosoderma 
Blapstinus, Tetraopes, Chlamys, Saxinis, Diabrotica, Microrhopala. 
