1080 Recent Studies of the Spade-foot Tead. {November — 
bone, which moves by an imperfect joint: the breadth of this 
process is about a line and a half, its length one line; the cutting 
edge is jet black.” Fig. 1 represents the left foot of an adult 
specimen, seen from beneath, and showing the “ spade.” It wil 
also be noticed that the little toe terminates also in a horny knob, 
a fact which has hitherto, I believe, been overlooked. ) 
Fig. 1.—Nat. size. Fig. 2.—X 10. 
Fic. 1.—Inside of adult left foot, snipe size. Fic, 2.—Left foot of yomg, 
showing spur at earliest stage of gro 
I have already mentioned how quickly the young hoppers 
little tunnels for themselves when placed upon the earth. gers 
ced, as Wi 
seen by the drawing, Fig. 2. This is now a white, soft, 
inous process, differing greatly from the same feature On an i is 
foot. It can scarcely be of use in digging, at this time, wad 
leads us to infer that the young choose more yielding © 
remain nearer the surface than do the adult spade-foots. i 
a case the older the creature and better developed the spade, i 
deeper are the subterranean homes wherein they seem to pulse 
so closely, and from which, moved by some common im 
they mysteriously come forth, in multitudes, to startle the P 
_ by with their weird cries, and then as suddenly to disappea® 
one knows where. 
