72 Life and Immortahty. 
of both appearing impressed with a figure very similar to 
the letter H. The latter, which appears to be a vegetable 
feeder, is the larger, its burrows not infrequently measuring 
one and a half inches in diameter. Estuarine regions, in 
close proximity to fresh water, rather than the tidal flats, are 
its habitat, and, in truth, it seems to be able to get along for 
weeks, and even months, without any absolute need of salt 
water. 
FIDDLER-CRABS. 
Two Males Fighting for a Female. 
In the excavation of their homes the Fiddlers throw up the 
pellets of moist earth by means of their anterior walking 
legs, depositing their burden usually at some little distance 
from the mouth of the burrow. As winter approaches, the 
domiciliary apertures are closed up, and the famine of win- 
ter is spent in a state of torpidity. 
With the advent of spring they come forth from their 
brumal retreats, and soon concern themselves with the duties 
incident to the propagation of their kind. Two males are 
