Studies in Tasmanian spiders. Part III.

In December, 1925, I found at Derwent Park near the shore of Prince of Wales Bay a small colony of trap-door spiders belonging to the genus Migas, L. Koch. The species proved to be new, and I described a female specimen under the name of Migas nitens. Several specimens were collected and preserved in alcohol, but one was kept alive in order that its habits might be observed.
Sub-Family DIPLURINAE.
Genus Hexathele, Ausserer.
The Nest of Hexathele montanus, Hickman.
In the Proceedings of this Society for the year 1926 I grave a brief description of the nest of Hexathele montanus from the Western Tiers. Since then I have examined a large number of these nests on the Cradle Mountain and am able to make the following additional Observations. The spider appears to be the most common Avicularid on the Cradle Mountain and is very plentiful in the vicinity of Daisy Dell. It makes its nest under the bark of trees, in rotten logs, in stumps and sometimes under stones on the ground. The nest is made by lining some natural cavity with silk and in most cases the opening of the nest is expanded into a thick silken network.
During the daytime the entrance is closed with a few threads of silk woven across the opening. One nest which I examined contained a pillow-shaped egg sac hung from the top of the silk-lined cavity.
Includes a description of the physical characteristics and diagrams.