53. Sharpe. Catalogue of the Specimens illustrating the Osteology of Ver- 

 tebrated Animals contained in the Museum of the Royal College of Surgeons of 

 England.— Part III. Aves. (8vo. London, 1891.) 



54. Shufeldt. Concerning the Taxonomy of the North- American Pygo- 

 podes, based upon their Osteology. (Journ. Anat. & Phys. xxvi. p. 199.) 



65. Shufeldt. Where young Amateur Photographers can be of assistance 

 to Science. (Amer. Nat. 1891, p. 620.) 



56. Shufeldt. Fossil Birds from the Equus Beds of Oregon. (Amer. Nat. 

 1891, p. 818.) 



67. Stejneger. Notes on Japanese Birds contained in the Science College 

 Museum, Imperial University, Tokyo, Japan. (Proc. U.S. Nat. Mus. xiv. p. J89. ) 



68. Stejneger. Notes on the Cubital Coverts in the Birds of Paradise and 

 Bower-Birds. (Proc. U.S. Nat. Mus. xiv. p. 499.) 



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