PLATE XI. 



CORACOID APPAEATUS. 



(All natural size.) 



Fig. 1. Falco anatuin. 



2. Ibycter americanus. 



3. Micrastur semitorquatus. 



4. Herpetotlieres cacbinuans. 



5. Pandion carolinensis. 



6. Elanoides forficatus. 



7. Elanus leucurus. 



8. Ictinia mississippiensis. 



9. Rostrhamus sociabilis. 



10. Buteo borealis. 



11. AquLla canadensis. 



[«. Anterior process of the coracoid. 

 h. Basal process of the scapula, 

 e. Scapular process of the coracoid.] 



