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70 Contributions to the Comparative Osteology of Arctic and 



Subarctic Water Birds. Pt 6. Joitr. Anat. Lond. Jan. 1890. 

 V. 24, p. 169-87, pi. II, 12. Woodcuts in text. 



71 Contributions to the Comparative Osteology of Arctic and 



Subarctic Water Birds. Pt 7. Jour. Anat. & Phys. Lond. 

 July 1890. 24:543-66. 17 v^oodcuts in text. 



72 The Myology of the Raven (Corvus corax sinuatus). A Guide 



to the Study of the Muscular System in Birds. London and 

 New York. Macmillan & Co. 1890. 

 y^) Contributions to the Comparative Osteology of Arctic and Sub- 

 arctic Water Birds. Pt 8. Jour. Anat. & Phys. Lond. 

 Oct. 1890. V. 25, n. s. V. 5, pt I, p. 60-77, %• 1-7- 



74 On the Affinities of Hesperornis. Nature. Lond. Dec. 25, 



1890. V. 43, no. 1 104, p. 176. 



75 A Peculiar Character Referable to the Base of the Skull in 



Pandion. The Auk. New York. Apr. 1891. v. 8 (n. s.), 



no. 2, p. 236, 2^7. 

 yG Notes on the Classification of the Pigeons. Am. Nat. Phila. 



Feb. 1 89 1. V. 25, no. 290, p. 157, 158. 

 yy Some Comparative Osteological Notes on the American Kites. 



The Ibis. (6th ser.) Lond. Apr. 1891. v. 3, no. 10, 



p. 228-32. 



78 On a Collection of Fossil Birds from the Equus Beds of Oregon. 



Am. Nat. Phila. Apr. 1891. v. 25, no. 292, p. 303-6. 

 Plate. 



79 Anatomy of the Apteryx. Science. New York. June 5, 1891. 



V. 17, no. 435, p. 318, 319. 



80 On the Question of Saurognathism of the Pici, and Other 



Osteological Notes upon that Group. Zool. Soc. Lond. Proc. 

 Feb. 3, 1 89 1. Pt I, p. 122-29. 



81 Contributions to the Comparative Osteology of Arctic and Sub- 



arctic Water Birds. Pt 9. Jour. Anat. & Phys. Lond. 

 July 1891. V. 25, n. s. V. 5, pt 5, art. 5, p. 509-25, pi. 11, 12. 



82 On the Comparative Osteology of the United States Colum- 



bidae. Zool. Soc. Lond. Proc. Aug. i, 1891. Pt 2, p. 194-96. 



83 Fossil Birds from the Equus Beds of Oregon. Am. Nat. 



Phila. Sept. 1891. v. 25, no. 297, p. 818-21. 



84 Tertiary Fossils of North American Birds. The Auk. New 



York. Oct. 1 89 1. V. 8, no. 4, p. 365-68. 



85 Morphology of the Avian Brain. Am. Nat. Phila. Oct. 



1891. V. 25, no. 298, p. 900, 901. 



