Fias. 
PLATE VII. 
1-3. Pelomyxa palustris Greeff. (p. 74) Fig. 1.—Ordinary 
4-6. P. 
condition during active movement. Pond at Northen 
Etchells, Cheshire. x about 100. Figs. 1 a-d.— 
Phases in development from amcebule, as observed 
by Greeff. Fig. 2—A young individual in resting 
state, showing internal structure; after Greeff. x 
about 60-70. Fig. 3.—An unusual phase of resting 
state, the plasma-body forming a sub-spherical mass 
with a fringe of fine hyaline pseudopodia. x about 
150. 
villosa Leidy. (p.79) Fig. 4—Ordinary condition 
during activity. Fig. 5—A somewhat larger indi- 
vidual in the same condition. Fig. 6.—A portion of 
the latter after undergoing various changes. By 
lateral extension of the body the posterior lobe 
became obliterated and the villi were spread out 
along the margin until the normal condition was 
reverted to. All x 250. 
