Affiliation:
1. Department of Biological Sciences, Stanford University, Stanford, California; Gatty Marine Laboratory, St Andrews, Scotland
Abstract
1. The anatomy of the muscular and nervous systems of Urechis is described.
2. An apparatus is described whereby it is possible to record the parameters of the peristaltic waves used in irrigating the tube.
3. Urechis is continuously active and shows no periodicity under conditions of constant temperature. About 1280 peristaltic waves are initiated, and about 29 l. of water are moved, in 24 hr.
Publisher
The Company of Biologists
Subject
Insect Science,Molecular Biology,Animal Science and Zoology,Aquatic Science,Physiology,Ecology, Evolution, Behavior and Systematics
Cited by
13 articles.
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