What is "bladders"

Usage examples of "bladders".

I picked out five bladders which seemed very full, and found in them four, five, eight, and ten crustaceans, and in the fifth a single much elongated larva.

In the first lot, my son examined seventeen bladders, including prey of some kind, and eight of these contained entomostracan crustaceans, three larvae of insects, one being still alive, and six remnants of animals so much decayed that their nature could not be distinguished.

I believe that this is the case, because the bladders of some epiphytic and marsh species of Utricularia which live embedded either in entangled vegetation or in mud, have no bristles round the entrance, and these under such conditions would be of no service as a guide.

They are present in the quadrifids of young bladders, when only about a third of their full size.

The real use of the bladders is to capture small aquatic animals, and this they do on a large scale.

August, most of the bladders were empty, but plants had been selected which had grown in unusually pure water.

In five other bladders, selected from containing remains, but not appearing very full, there were one, two, four, two, and five crustaceans.

Cohn one evening into water swarming with crustaceans, and by the next morning most of the bladders contained these animals entrapped and swimming round and round their prisons.

In all cases the bladders with decayed remains swarmed with living Algae of many kinds, Infusoria, and other low organisms, which evidently lived as intruders.

Animals enter the bladders by bending inwards the posterior free edge of the valve, which from being highly elastic shuts again instantly.

As I felt much difficulty in understanding how such minute and weak animals, as are often captured, could force their way into the bladders, I tried many experiments to ascertain how this was effected.

Nevertheless, in order to test their power of digestion, minute fragments of roast meat, three small cubes of albumen, and three of cartilage, were pushed through the orifice into the bladders of vigorous plants.

In most of the bladders the captured animals are so much decayed that they form a pale brown, pulpy mass, with their chitinous coats so tender that they fall to pieces with the greatest ease.

This statement raises the suspicion that the bladders secrete some ferment hastening the process of decay.

Many perfectly clean bladders which had never caught any prey were opened, and nothing could be distinguished with a No.