418 Mr. H. A. Baylis on a remarkable 
On the whole, the general form may be described as an elon- 
gate pear-shape, the narrower end being that at which the 
invagination takes place for the formation of the scolex. 
Frequently the “ bladder” is somewhat flattened and pushed 
in on one side, so that the animal is then convex on one 
surface and concave on the other. The “ anterior” end, or 
that at which invagination takes place, is often suddenly 
narrowed, forming a rather proboscis-like projection. The 
Fig. 1. 
“ Cysticercus Tenie Grimaldi.” View of the animal cut through trans- 
versely at about the middle. Much magnified. 
N., coils of the “neck” cut across in various directions; P., parenchyme 
of the “ bladder.” 
wall of the bladder is firm in consistency, but cuts very 
easily. On opening a specimen, the wall is found to be very 
thick on two sides and comparatively thin on the other two 
(fig. 1, P.). The appearance of a small specimen on being 
thus opened is much like that of the well-known forms of 
Cysticercus, such as C. pisiformis, except as regards the 
