490 
GEOGRAPHICAL ZOOLOGY. 
[part IV. 
determination of the genera, but there can be little doubt that 
most of them represent important facts in distribution. 
The Nearctic region is comparatively poor in Cara!) idee. Its 
more important peculiar genera are, — Diccelus (22 sp.), Pasimachus 
(17 sp ),Eurytrichus (9sp.), Sphmroderus (7 sp.), Pinacodera (6 sp.), 
and others of smaller extent, about 30 in all. It also possesses 
representatives of a considerable number of Palaearctie genera, 
as already indicated ; and a few of South American genera, of 
which Helluomorpha and Galerita are the most important. 
The Neotropical region is very rich in peculiar forms of Cara- 
bidse, as in almost all other great groups. It possesses more than 
100 peculiar geneya, but about 30 of these" are confined to the 
South Temperate sub-region. The more important peculiar genera 
of Tropical America are, — Agra (144 sp.), Ardistomus (44 sp.), 
Schizogenius (25 sp.), Pelecium, (24 sp.), Calophena (22 sp.), 
Gtenodactyla (7 sp.). Among the Chilian and South Temperate 
peculiar forms are, — Antarctia (29 sp.), Scelodontis (10 sp.), Tropi- 
dopterus (4 sp.). Among the Neotropical genera with outlying 
species are, — Pachyteles (50 sp.), one of which is West African; 
Selenophorus (70 sp.), with 4 African, 4 Oriental, and 1 from New 
Caledonia; Ega (11 sp.), with one in the East Indies, and one in 
New Caledonia ; Galerita, with 36 American species, 8 African, 
and 3 Indian ; Callida and Tetragonoderus, mostly American, 
but with a few African, Oriental and Australian species ; and 
Pseudomorpha, common to America and Oceania. 
The Australian region is almost equally rich, possessing about 
95 peculiar genera of Carabidee, no less than 20 of which are con- 
fined to New Zealand. The most important are, Carenum, Pro - 
mecoderus, Scaraphites, Notonomus, JSnigma, Sphallomorpha, Sil- 
phomorpha , and Adelotopus. The gigantic Catadromus has 4 
Australian species and 1 in Java; Homalosoma has 31 species 
in Australia and New Zealand, and 1 in Madagascar. Celebes 
and New Guinea have each peculiar genera, and one is common 
to Australia and the Cape of Good Hope. 
The Oriental region possesses 80 peculiar genera, 10 of which 
are confined to Ceylon. The more important are, — Pericallus , 
Planetes , and Mormolyce. Distrigvs is also characteristic of this 
