T S° 
Iridomyrmex agilis, n. sp. — Yalgoo. 
„ hartmeyeri, n. sp. — Day Dawn. 
,, exsanguis, n. sp. — Denham. 
„ detectus (Smith). — Northampton, Moora, Kalgoorlie- 
Boyanup. Distributed over the whole of Aus, 
tralia. 
„ conifer (Forel).- — Lion Mill, N. of Subiaco, East Fre- 
mantle, Jarrahdale, Bunbury, Bridgetown, Picker- 
ing Brook, Formerly recorded from Perth. 
Sub-Family Camponotinae. 
Acantholepis ( Stigmacros ) aemnda, n. sp.— Fremantle. 
Notoncus gilberti (Forel), var gracilior, n : var. — Fremantle. The 
typical form of this species is found in Queensland. Perhaps 
this new variety should be regarded as a subspecies. 
Opisthopsis respiciens (Sm.).- — This species is not among the ants 
of the present series, but in the author’s collection are speci- 
mens from the Baudin Islands, and the Adelaide River, in 
South-Western Australia. 
Camponotus' maculatus (F.), subsp. novae-hollandiae (Mayr.). — 
Torbay. Distributed over the whole of Australia. 
„ niatulatus, subsp. discots (Forel) . — Y algoo, Coolgardie. 
The typical form of this species was found at the 
Pera Bore, New South Wales. 
„ maculatus, subsp. discors, var. angustinoia, n. var. — 
Denham, Day Dawn, Kalgoorlie, Wooroloo, Mun- 
daring Weir. 
„ walkeri (Forel),- — Guildford. Formerly recorded from 
Perth and from the Baudin Islands, in S.W. 
Australia. 
,, claripes (Mayr.). — Bridgetown. Distributed over the 
whole of Australia. 
,, claripes, subsp. marcens, n. subsp. — Mundaring Weir, 
Guildford. 
„ testae eipes (Smith). — Eradu, Lion Mill, Mundijong, 
Yarloop, Collie, Bunbury, Gooseberry Hill, Cran- 
brook. Also known from New South Wales. 
,, nigriceps (Smith). — Broome Hill. Distributed over 
the whole of Australia. 
„ nigriceps, var. dimidiata (Roger). — Mundaring Weir, 
Gooseberry Hill. Distributed over the whole of 
Australia. 
,, nigriceps, subsp. obniger (Forel), var. pvostans, n. var. 
— Lion Mill, Jarrahdale, Lunenburg, Pickering 
Brook, Torbay, King River. The subspecies 
obniger is found in South Australia. 
,, arcuatus (Mayr.), var. aesopus, n. var. — Mount Robin- 
son, near Kalgoorlie. The typical form of this 
species occurs in Queensland. 
