used to live on her back until they were old enough to hunt for themselves. I kept my useful friend on my bed for more than a year and a half, when, unfortunately, a new housemaid spied his pretty brown house, pulled it down, and crushed under her black feet my poor companion." This kind of spider, or an allied species, captures large butterflies in the tropical woods by hanging strong silken noozes from branches of trees, and they have been seen to kill small birds by this method. One of our British spiders lives under water in a dome-like cell of silk, which is filled with air like a diving-bell by the spider carrying down successive globules of air between its legs, which it liberates under the dome until it is filled; and the young are hatched there.
The spider, on its way through the water, never gets wet. It is hairy, and is enveloped in a bubble of air, in which it moves about protected from wet and well supplied with air to breathe. As the spider's supply of food is always precarious, they are able to live a long time without eating. One is known to have lived eighteen months corked up in a phial, where it could obtain no
