PREFACE
'
'
,
.
l
This work is the result
°f research extending over a period
and will encourage further research on the subject.
of fteen years, on the forms and structures of the
Most of the work, i. e., collection of materials, preparation
teleostean brains, each specimen of which being procured
of sections stained by the Pal-Weigert method, and
!'
from Sh native to the inland waters, °f Japan °" 'to' the
photography, was done at the Japan Sea Regional Research
%
seas surrounding ÎtExemples of one hundred and
'
Laboratory, Niigata City and the Biological and Physiological
two of these species are listed in this Atlas.
.
Laboratory of Hosei University, Tokyo, as a joint work of H,
The purpose of this Atlas is twofold:
rst, to present a
'
Tuge, K. Uchihashi and H. Shimamura. Grateful
SÎUdY Of comparative neuro'_0gYI and second, to provide as
acknowledgment is made to the staffs of both institutions,
a
reference Work Of value to the shing îndUSÎFY—and to
and particularly to Mrs. A. Kuroshima for technical help.
,
expedite the progress °f 5h culture.
;
We are also indébted to- the ichthyologists, Dr. T. Abe and
'
The StUdy Of the Sh brain, the
main characteristics of
Dr. |.
Kubo for their geherous assistance. Illustrations of
which are common” to all vertebrates,
is ofspecial interest ,
each sh with'accomioanying explahations were kindly
'
,
to_reséarchers in the evolution of the vertébrate nervous
'
supplied by cour_tesy of
the Publisher, Hokuryu-kan.
]
'
system.
,
.
'
Part of the money for prosecution of the work and for
i
,
ln the past, a number of world-famous neurologists and
nancing its publication was supplied by the Research Fund
'
psychiatrists,
among whom were G. Fritsch,
L. Edinger,”
,
,
‘
'and the Publishing Fund of the Ministry of Education, and
,
‘Ramôn y Cajal, C. L. Herri'ck, van Gehuchten, C. J. Herrick,
‘
'
aise by the.ResearCh Fund of the Ministry of Agriculture
Ariens Kappers, K. Goldstein and others, studied'the brains
and Forestry."'
'
'
of sh very
order to further their knowledge of
'
'
'- the brain function cf higher animals, since the fundamental
'
’
'
structure
of the vertebrate nervous System
'
'
'
_
_
TUGE, Hideomi
.
in the teleostean brain.
_
'
_'
'
"
UCHlHASHI, Kiyoshi
Research in comparative neurology
discloses theinuenCe '
'
SHIMAMURA' Hatsutaro
_
of ecological environment upon the structure of thesh 7
.
’
'
'
_
,'
'
,
brain as well as upon its body form and sense orgàns.
.
.
'
'
-î‘
-
Considerable variety is exh'ibited, depending upon the
-
»
'
—
'
,
habitat of the specimen and a, number of examples of these
'
‘
ndings are to befoundin this Work. '
'
'
-
_
'
_
‘
'
,
Because of these facts one may determine to a certain
_'
.
'
,
_
extent, the behavior, habits, and physiology
of sh, by
'
—.
‘
studying the brain structure without actual'visual inspection
.'
_
=
'
'
,'
'
of their living conditions.
»
.
_
_
'
'
1
‘
_
,
'
A largenumber of sh species, native to Japan, have yet to
‘
'
,
,
_'
'
'
be studied
a'thorough investigation
behavior“. ,
"
_
'
_
_
‘
and habitat is necessary to improve the methods of sh
‘
‘
‘
.
'
_
'
_
.
Î
"
" culture.
'
,
‘
'_
,
.,
.
' _
,
;
This Atlas should prove, helpful in the furthermg0f fhÎS
:
,
,
'
_’ '
.
-
_
“
_'
'
'_
; ,
study. In order to'
added
_
.
_' _'
'
'
'
“
chapter referring t‘oithé'nistory‘
brain
_
‘
,“
'
‘
'
‘
E
with abr1ef "description ofïits inner
'
"
—
'
"Ï.
A
?
Ï
hop‘ed
incomplete will aid
'
-
-
'
«
,
_' .f_;
,_
_'
_
'
î
neurological_,scientists, biologiste and'ichthyologists ‘,"Ç
,_
_
-_
ŸÎ
'
_
‘
_,
,
3
the study“of theshbram
'
"
'«
.
_»
«
,
_
‘;
.
> 1
'
-
—