4 
GUIDE TO THE COEAL GALLERY. 
High Wall 
Case 
E. end of 
Gallery. 
Lobosa. 
The Lobosa, or Gynmomyxa with lobose pseudopods, may he 
without shells, as Amoeba (see Plate III. and Model 1 in the Case), 
or they may he enclosed in a shell, as, for example, Difflugia 
pgriformis (Model 2) and Difflugia acuminata (Plate III. in Case), 
in both of which the shell is composed of cemented sand-grains. 
The shelled forms creep about with the shell uppermost and with 
Fig. 2. 
Actinophrys sol, the Common Sun-Animalcule. The large globule 
projecting from the surface is a contractile vacuole. Magnified 
500 diameters. (After Leidy.) 
the pseudopods emerging from the aperture below. The Lobosa 
live, for the most part, in fresh water, damp moss, etc. 
The Mycetozoa, or Fungus Animals, which may be con- 
veniently referred to here, are-, by some naturalists, regarded as 
vegetable organisms. In dealing with the lowest organisms, it is 
often difficult to determine definitely their true position in the 
kingdom of life, whether they are to be regarded as members of the 
