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Biol Bull 55: 69-78. (August 1928)
© 1928 Marine Biological Laboratory
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OBSERVATIONS OF THE FEEDING MECHANISM OF A CTENOPHORE, MNEMIOPSIS LEIDYI

ROLLAND J. MAIN 1

1 From the Zoölogical Laboratory of Rutgers University, Publication No. 11, New Jersey Oyster Investigation Laboratory

The mode of feeding was studied in young tentacled forms and in the adult Mnemiopsis leidyi. The young capture food with their branched tentacles, and deposit it in the mouth. The adults entangle the food with the small tentacles along the tentacular ridge, and deposit it in the labial trough, whence it is carried to the mouth.

Food enters the stomodæum and after digestion is cast out of the mouth, or it may enter the food canals and pass out of the anus.




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