or Mohronoer, VOL. 22, No. 1
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March,,1911
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RK,
DIRECTOR. No.
THE MECHANISM OF LOGOMOTION IN GASTROPODS
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‘G.H.PARKER_ Æ
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INTRODUCTION
The snail’s foot in locomotion is so striking and so easily ob—
served that it has excited the interest of naturalists for a
time and yet a complete solution” of even the mechaniCal prob—
lems connected with
seems n0t to have beenattainedä -
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Within recent times a number of investigators have
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the problem of locomotion in Snails, but their efforts have been
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directed chiey toward the eluGidation of the actiOn of the neuro:—
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muscular mechanism rather than toward an understanding of
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the external mechanical conditi0ns— that accompany loComotion.
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Itis the object‘of ï this paper
in the light of the“ more
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recent investigations —andfrom Èthe standpoint of renewedobserV-— '
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ati—on,
iiiv.leæd in«‘the_ï0V6ï€tS
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f
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of the gastropodfoOt.
Çr…f
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The observations recorded inetbïis paper“ Wefï—'ejade parysàt
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the Bermuda
Zoological
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Laboratory, andat theB1®loglcalLab@rat@rvof theUmted States
Bureau