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Biol Bull 72: 319-326. (June 1937)
© 1937 Marine Biological Laboratory
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REPRODUCTIVE SYSTEM AND COPULATION IN AMPHISCOLOPS LANGERHANSI (TURBELLARIA ACOELA)

LIBBIE H. HYMAN 1

1 From the Bermuda Biological Station for Research and the American Museum of Natural History

In the acoelous turbellarian Amphiscolops langerhansi, copulation occurs by the interlocking of the penes. The sperm pass over the anterior surface of the partner's penis into the seminal bursa of the latter. The body region immediately behind the penis is also protruded in copulation and acts as a sperm guide directing the sperm into the partner's bursa and preventing their dissemination into the water.






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Copyright © 1937 by the Marine Biological Laboratory.