BIBLIOGRAPHY 421 



Alsop, Florence M. Influence of Temperature on Development. 

 Anat. Record, 1919, XV, pp. 307-331, 13 figs. 



Bateson, W. Materials for the Study of Variation. London. 



1894, pp. 598. 



Problems of Genetics. 1913, pp. 258. 



Beebe, C. W. The Bird. 1907. 



The Tetrapteryx Stage in the Ancestry of Birds. Zoologica 



(New York), II, 1915. 



Experiments on Colour of Plumage. Amer. Naturalist, 



1914, 42, p. 34. 



Blakeslee, a. F., and Warner, D. E. Yellowness of Yolk and 



of Head and Legs. Amer. Naturalist, 1915, XLIX, pp. 360- 



368. 

 Bond, C. J. Colour of Bird's Eye. Journ. of Genetics, 1919, 



IX, pp. 69-81. 

 Boring, Alice M., and Pearl, Raymond. Interstitial Cells in 



Testes. Anat. Record, 1917, XIII, pp. 253-268, i pi. 



Corpus luteum in Hen. Amer. Journ. Anatomy, 



1918, XXIII, pp. 1-35, 9 pis., 6 figs. 



Occasional Hints of Hermaphroditism in Birds. 



Journ. Exper. Zoology, 1918, XXV, pp. 1-47, 9 pis., 9 figs, 



Bornstein. Feathers and Scales. Archiv. fiir Naturgeschichte. 

 Band I, Supplement, Heft 4. 



Boyden, Edward A. Traces of Embryonic Gills in the Gill- 

 clefts of Birds. Amer. Journ. Anatomy, 1918, XXIII, 

 pp. 205-235, 4 pis., 3 figs. 



BuMPUS, Hermon C. The Elimination of the Unfit as illus- 

 trated by the Introduced Sparrow. Biological Lectures at 

 Woods Holl, Boston, 1898, pp. 209-226. 



Carlier, E. W. Elastic Tissue of Bird's Eye. Proc. Scottish 



Microscop. Soc, 1906, IV, pp. 70-92, 4 pis. 

 Champy, p., and Colle, P. Comptes Rendus Soc. Biol. Paris, 



1919, LXXXII, pp. 818-819. 



Chance, Edgar. The Cuckoo's Secret. London, 1922, pp. 237. 

 Chandler, Asa C. A Study of the Structure of Feathers, with 



reference to their Taxonomic Significance University of 



California Publications in Zoology, 1916, vol. 13, No. 11, 



pp. 243-446, 25 pis., 7 figs. 

 Chapellier, a. Sterility of Hybrids. Comptes Rendus Soc. 



Biologie, 191 1, LXX, pp. 328-329, 8 figs. 

 Church. Turacin Pigment. Phil. Trans. 1869, pp. 627-636, 



and 1893, 511-530. 

 Clark, Austin Hobart. Snow-shoes of Ruffed Grouse. Annals 



and Magazine of Natural History, 1910, V, pp. 358-361, 



2 figs. 



