LIST OF PLATES 
PLATE 
I... 
II... 
III. .. 
IV. .. 
V. .. 
VI. .. 
VII. . 
VIII.,.. 
ANNELIDA. 
To face page 
14 
20 
20 
22 
16 
18 
........ 18 
10 
CRUSTACEA. 
f- I. 
II. 
* III. 
* IV 
V. 
? VI. 
■ x VII. 
VIII 
XI. 
* XII 
XIII. 
XIV. 
* XV. 
XVI. 
XVII. 
XVIII 
172 
165 
152 
154 
180 
200 
186 
224 
168 
166 
168 
148 
174 
175 
160 
171 
194 
312 
