LIST OF PLATES. 
IX 
hemp, grass, or plaster used as a substitute for the natural body. 
Fig. 2. A, nut ; B, cap ; C, thread. 
Plate X. Skeleton of a Grouse, or Prairie Hen (Cupi- 
donia cupido, Baird), showing the different bones, as follows : — 
a, the skull ; b, vertebra of the neck ; c, humerus ; d, forearm ; f, pha- 
langes ; g, furcula ; h, sternum ; i, marginal indentations ; j, thigh j 
k, tarsus ; y, tibia ; m, rump ; n, coccygus ; A, ribs; B, lower joint of 
thigh. 
