Xll
LIST OF WOODCUTS. PAGE
Fig. 19.
Astacus fluviatills.
Muscular tissue
•
y y
20.
yy
yy
Muscles of chela .
yy
21.
y y
y y
Articulation mites
of
•
93
so-
abdominal
....
a
•
yy
22.
y y
yy
Muscular system
yy
23.
y y
y y
Nerve fibres
yy
24.
yy
yy
Nerve ganglia
yy
25.
y y
yy
Nervous system
yy
26.
yy
y y
Olfactory
yy
27.
yy
y y
Auditory sac ....
y y
28.
y y
yy
Structure of eye
yy
29.
yy
y y
Diagram of eye
yy
30.
yy
yy
Female reproductive organs
y y
31.
yy
y y
Male reproductive organs
y y
32.
y y
yy
Structure of ovary .
yy
33.
yy
y y
Structure of testis
yy
34.
yy
y y
Spermatozoa
yy
35.
y y
yy
The last thoracic sternum in THE
. •
•
a
and auditory
•
104
organs
114 117
a
•
129
.
.
130 •
•
134
•
section
136
yy
Transverse
yy
37.
yy
y y
Abdominal appendages
yy
38.
y y
yy
Connection
of
abdomen
yy
yy
.
....
Cephalothoracic
151
•
•
41.
y y
yy
yy
42.
yy
yy
The rostrum
43.
yy
yy
y
44.
yy
yy
157
.
159
....
Longitudinal section of cephaloTHORAX ....
y
156
A Segment of the endophragmal system
y y
153
so-
Ophthalmic and antennulary MITES .
yy
141
sterna and EN-
DOPHRAGMAL SYSTEM 40.
.
142
between thorax AND
abdomen
yy
131 132
yy
yy
119 123
36.
yy
102 103
yy
39.
97 100
MALE AND FEMALE
yy
91
The third maxillipede .
•
•
162
•
164
