OSTEOLOGY OF BIRDS 365 



118 On the Terrestrial Attitudes of Loons and Grebes. The Ibia 



Lond. Jan. 1898, p. 46-51. 



119 Anatomy of the Swallows. Nature. Lond. Thursday, June 



30, 1898. V. 58, no. 1496, p. 199, 200. 



120 On the Alternation of Sex in a Brood of Young Sparrow 



Hawks. Am. Nat. Bost. Aug. 1898. v. 32, no. 380, 

 p. 567-70. Illus. 



121 Observations on the Classifications of Birds. Acad. Nat. Sci 



Phila. Proc. 1898. p. 489-99. Illus. 



122 Professor Collett on the Morphology of the Cranium and the 



Auricular Openings in the North European Species of the 

 Family Srrigidae. Jour. Morph. Bost. 1900. v. 17, no. i 

 p. 119-76, pi. 15-20, fig. 1-30. Cuts in text 1-7. 



123 A Remarkable Growth on the Bill of a Curlew (Numenius ar- 



quatus). Ornis. Paris. Nov.-Dec. v. 10, no. 4, p. 477-79 

 Illus. 



124 On the Osteology of the Woodpeckers. Am. Phil. Soc 



Proc. Phila. Oct.-Dec. 1900. v. 39, no. 164, p. 578-622, 

 pi. 9. II cuts in text. 



125 On the Osteology of the Striges. Ibid. p. 665-722, pi. lo- 



17. 6 text figures. 



126 On the Systematic Position of the Sand Grouse. Am. Nat 



Bost. Jan. 1901. v. 25, no. 409, p. 11-16. Illus. 



127 Osteology of the Herodiones. Carnegie Mus. Ann. Pittsburg, 



Pa. Apr. 1 90 1. V. I, no. I, p. 158-249, pi. 5-6. 43 text 

 figures. 



128 Osteology of the Penguins. Jour. Anat. & Phys. Lond. Apr. 



I, 1901. V. 35, p. 390-404, pl- 38. 



129 Notes on the Osteology of Scopus umbretta and Balaenicepi 



rex. Ibid. p. 405-12, pi. 39. 



130 On the Osteology and Systematic Position of the Screamers 



(Palamedea; Chauna). Am. Nat. Bost. June 1901. v. 35, 

 no. 414, p. 455-61- Plate. 



131 The Osteology of the- Cuckoos [Coccyges]. Am. Phil. Soc 



Proc. Phila. Jan. 1901. v. 40, no. 165, p. 4-51, pi. i, 2. 



132 On the Osteology and Systematic Position of the Alcae, 



Am. Nat. Bost. July 1901. v. 35, no. 415, p. 541-51- Plate. 



133 On the Osteology of the Pigeons. Jour. Morph. Bost. Sept. 



1901. V. 17, no. 3, p. 487-514, Pl- A, B. 



134 Osteology of the Flamingoes. Carnegie Mus. Ann. Pittsburg, 



Pa. 1901. I :295-324, pl. 9-14. 



