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Biol Bull 56: 28-31. (January 1929)
© 1929 Marine Biological Laboratory
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THE EFFECT OF NEUROPHIL DRUGS ON THE FIDDLER CRAB, UCA PUGNAX

OSCAR W. RICHARDS 1

1 From the Department of Biology, Clark University, Worcester, and Marine Biological Laboratory, Woods Hole

A reversal of the usual motor responses of the legs of the male fiddler crab, Uca pugnax, has been observed when the animals have been in solutions of picrotoxin, strychnine, phenol, philocarpine, or veratrine in sea water. Camphor increases the irritability of the animals. Atropine, apomorphine, morphine, codeine, caffeine, and digitonin are without effect on the crabs. The results of these experiments are discussed in relation to those made with other arthropods.






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Copyright © 1929 by the Marine Biological Laboratory.