xv, i Shufeldt: The Monkey-eating Eagle 55 
14. An arrangement of the families and higher groups of birds. Am. Nat. 
38 (1904) 833-856, text figs. 1-6. (Osteology largely used.) 
15. Where the skeletons of American birds may be studied. Auk 26 (1909) 
217-218. 
16. Osteology of birds. Bull. N. Y. State Mus. 130 (1909) 367 pp. Educa- 
tion Department Bulletin No. 447. (This book contains many cuts 
and plates devoted to the osteology of the Falconidae and has been 
particularly useful in studying the skeleton of the eagles.) 
17. Review of the fossil fauna of the desert region of Oregon, with a de- 
scription of additional material collected there. Bull. Am. Mus. Nat. 
Hist. 32 (1913) 123-178, pis. 9-43, figs. 1-578. 
18. Further studies of fossil birds, with descriptions of new and extinct 
species. Bull. Am. Mus. Nat. Hist. 32 (1913) 285-306, pis. 51-59, 
figs. 1-94. 
