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