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'_ 59;n,7:43
.
'
FROM THE ZOÔLOGICAL LABÔÊÀTORY ôF‘ THE
-
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..
'
'
'
'
MUSEUM OF COMPARATIVE ZOOLOGY AT HARYABD'
..
COLLEGE.
E. L. MAR—K, DIRECTOR. _
1
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No. 221.
THE MECHANISM OF LOCOMOT_ION IN ;GASTROPODS.
_
j
-
,
BY_
G. H. ngKER.
'
'
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‘
FROM THE JOURNAL OF
Von.
1.
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=
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_
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'_ 59;n,7:43
.
'
FROM THE ZOÔLOGICAL LABÔÊÀTORY ôF‘ THE
-
'
..
'
'
'
'
MUSEUM OF COMPARATIVE ZOOLOGY AT HARYABD'
..
COLLEGE.
E. L. MAR—K, DIRECTOR. _
1
'
No. 221.
THE MECHANISM OF LOCOMOT_ION IN ;GASTROPODS.
_
j
-
,
BY_
G. H. ngKER.
'
'
'
‘
FROM THE JOURNAL OF
Von.
1.
Ïf
-
'
;
=
'
'
o* :
Α
;
.
Ÿ '
.
_
.