LIST OF PLATES 



PLACED AT THE EJBTD OF THE VOLUME 



I. IRustrations of the minute structure of the protoplasm and the pseudo- 

 podia of Cfromia Dujardini M. Sohultze. 



II. The minute structure of the protoplasm and pseudopodia of Foramini- 

 fera (Figs. 1-6) and ATrwsbos (Figs. 7 and 8). 



III. Illustrations of the pseudopodia of Forcmdnifera (Figs. 1-4) and the 

 body protoplasm of Adneta (Fig. 5). 



IV. Illustrations of the minute structure of Foramini/era (Figs. 1 and 2), 

 Amcebce (Figs. 3 and 4), and Ciliata (Figs. 5-8), and of vegetable 

 protoplasni (Fig. 9). 



V. Illustrations of the minute structure of the ova of a sea-urchin, Sphmr- 

 echinus (Fig. 1, a-c), of the protoplasm of Thalassicolla (Fig. 2, «, 

 and i) and ChilomorMS (Fig. 3), and of oil-foams (Figs. 4 and 5). 



VI. The minute structure of oil-foams (Figs. 1 and 2) and of an epidennio 

 cell of iMmbrieus (Fig. 3), a fat cell of Blatta (Fig. 4), and the epi- 

 dermis of Gammarus. 



VII. The protoplasm of various tissue cells ; liver cells of the frog (Fig. 1) ; 

 peritoneal cell (Fig. 2), epidermis and cuticle (Fig. 3, a-c) of 

 Branchiobdella ; egg (Fig. 4) and cUiated cells (Fig. 5) of Sydaiitia; 

 pigment cell of Aulastomum (Fig. 6), and nerve fibre of Astacus 

 (Fig. 7). 



VIII. The minute structure of the protoplasm of ganglion cells and axis- 

 cylinders from the frog (Fig. 1), calf (Fig. 2), and earthworm (Fig. 

 3) ; and of connective tissue cells from the frog (Fig. 4). 



IX. The minute structure of capillaries, ganglion cells, and axis-cylinders ; 

 a capillary (Fig. 1), a process of a ganglion cell (Fig. 2), and an axis- 

 cylinder (Fig. 3) from the calf, and transverse sections of axis-cylin- 

 ders from the frog (Fig. 4, a-c). 



