Number 19. Phascogale rufogaster, Gray.

Head grey; back and sides brown, with longer black hairs; sides of the belly and feet bright rufous; lips and chin whitish; under fur lead colour; tail end blackish-brown, slightly pencilled. Body and head, 4; tail, 2 inches. Inhabits South Australia, Mr. Gould.

Number 22. Phascogale leucogaster, Gray.

Head and shoulders grey, behind rather browner, with scattered longer black-tipped hairs; chin and beneath pure white; feet brownish grey. Body and head, 4; tail, 2 1/2 inches.

Inhabits Western Australia, banks of the Canning River, April 1839, Mr. Gould.

More specimens and further observations may prove these to be only local varieties of one species; but the specimens we have from the same localities are similar in character, which is not the case with the different specimens of Hepoona.

Number 26. Perameles fasciata, Gray.

Grey brown, rump with three black bands; tail white, with a black streak along the upper side. Inhabits Liverpool Plains and South Australia; smaller than P. gunnii.

Number 28. Perameles fusciventer, Gray.

Brown, yellow grizelled; tail above blackish, beneath grey; head short, conical; belly grey brown, with broad rufous channelled hairs. This species is like P. obesula in colour, but the head is shorter, and the belly of that species is white, with white bristles.