138 
Gry. stenop. 9 lin 
Kurope aor 0 4 ae 
Asia and Malayan ‘Archipelago... en OD 14 3 
Africa, with Madagascar, &e. ... i ao 22 1 
North ‘and Central America... ae Oke 29 — 
South America and W. India ... ay * — 
Australia and Tasmania .. ya | 4 1 
Polynesia, incl. N. Guinea, N. Caledonia, 
Fiji, New Zealand, &c. _... ee Le 11 4 
Habitat unknown.. : tas ee = a 
137 sp. 91 sp. 9 sp. 
In this paper three new genera of Gryllacride and two of 
Stenopelmatide are added. Described as new of the former are 
18 species and of the latter three, thus raising the totals of the 
Gryllacride to 155 species in 14 genera, and the others to 94 
species in 39 genera, and for Australia and Polynesia alone to 
39 species of Gryllacrids in 10 genera, and 18 species of 
Stenopelmatids in 1] genera. 
In glancing at the above table it will be noticed that Europe 
is the only continent from which the Gryllacrids are wholly 
absent, while in Asia and the adjoining <Austral-Polynesian 
regions they attain their greatest development (119 sp.), the 
tropical and temperate zones forming their exclusive habitat. 
The Stenopelmatids show a different distribution. Being found 
in all continents, of which Europe contains the fewest, they reach 
their greatest development in the widely-separated African and 
North American regions, the intermediate Asiatic-Australasian 
region only furnishing a moderate variety, notwithstanding its 
immense extent. Strange to say, South America and the West 
Indian Island furnish the minimum of both families, notwith- 
standing most favourable climatic conditions, and for which the 
want of sufficient exploration can scarcely afford an adequate 
explanation. 
The individuals of both families are nowhere numerous or even 
common. Their habits are extremely retired, and little known 
in detail. Many species are undoubtedly nocturnal, notably 
those of almost uniformly dingy or dark colouring ; while the 
tiger-like banding of black and yellow of many Australian species 
appears to denote diurnal activity among grass. Some species of 
the Stenopelmatids never see the light of day, exclusively in- 
habiting dark caves. All cave-inhabiting Orthoptera belong to 
that family. 
Most of those Australian Gryllacride which have been observed 
by me live by day in hollows under logs of wood, stones, vege- 
table rubbish, in disused outhouses, &.; many inhabit hollow 
spaces under bark on the trunks and thicker branches of Eucal- 
