72 MID-APRIL 
the bark, as well as the flesh they eat.) 
Interwoven with these there were lumps of 
horse hair clippings (obtained we know not 
where), together with a good deal of short 
stiff green grass. These formed a substantial 
lining. Inside of all, at the bottom and 
sides were odds and ends of soft wool, bits 
of string and small feathers, to receive the eggs. 
The whole made a very solid structure and must 
have weighed ten pounds at least (Plate X XI). 
It would have required a hurricane to dislodge 
it from the tree, or even to shake it apart. 
Plate XXII shows what a carrion crow’s 
nest looks like in course of construction, and 
also shows the bird. Substitute a rook for 
the crow, and it will illustrate the same for 
that bird. Finding it impossible to get 
near enough to one of these nests to photo- 
graph it large, as seen from below, I ventured 
to build one myself, copying the original as 
closely as I could. How far I have succeeded 
I must leave the reader to judge. I used 
about four hundred sticks in its construction, 
and found myself able to put together the 
