154 



THE GROUSE IN HEALTH AND IN DISEASE 



forwards and upwards, riding upon the larger portion, and there becoming 

 fixed firmly by osseous union, but with a considerable amount of displacement 



Fractured end oF 



left humerus 



United fraerure 

 oF Seapula 



Claviele 



Fig. 1., No. 301. A permanently fractured left humerus and a fractured and reunited 



left shoulder blade. 



and shortening (see Fig. 6). This accident must have completely disabled 

 the bird for six weeks or a month, rendering her quite unable to fly. Yet 



Fig. 2, No. 301. The same bones uninjured from the right side of the same bird. 



she had lived, and the broken bone had united. The only apparent disability 

 remaining was the infestment with parasites, Hymenolepis, Davainea and 

 Trichostrongylus having all established themselves in excessive numbers in 



