LITERATURE CITED. 103 



McCLUNG, C. E. 



1905. The chromosome complex of orthopteran spermatocytes. Biol. Bull., vol. ix, 



No. 5, Oct., pp. 304-340. 

 McGREW, T. F. 



1901. American breeds of fowls. I. The Plymouth Rock. Bull. No. 29, Bureau of 



Animal Industry, U. S. Dept. Agr. Washington : Government Printing 



Office. 

 1901*. American breeds of fowls. II. The Wyandotte. Bull. No. 31, Bureau of 



Animal Industry, U. S. Dept. Agr. Washington : Government Printing 



Office. 30 pp. 



1904. The Shanghai or Cochin fowl. In Weir- Johnson-Brown Poultry Book. pp. 



523-558. 

 MENDEL, G. 



1866. Versucheiiber Pflanzen-Hybriden. Verhandlungen des naturforschen Vereines 



in Briinn. Bd. iv, 47 pp. 

 MORGAN, T. H. 



1905. The assumed purity of the germ cells in Mendelian results. Science, vol. xxn, 



No. 574, pp. 877-879. Dec. 29. 

 NAG ELI, C. v. 



1884. Mechanisch-physiologische Theorie der Abstammungslehre. 

 1898. A mechanico-physiological theory of organic evolution. Summary. Transla- 

 tion by F. A. Waugh. Chicago : Open Court Publishing Co. 53 pp. 



PETERSEN, C. E. 



1905. The Hoitdan. In Weir- Johnson-Brown Poultry Book, 1904-05 (q. v.). 



PLATE, L. 



1905. Die Mutationstheorie im Lichte zoologischer Tatsachen. C. R. du 6 m * Congres 

 intern, de Zool. Berne. 1904. 203-212. May 25. 



ROMANES, G. J. 



1901. Darwin and after Darwin. I. The Darwinian theory (third edition). Chicago: 



Open Court Publishing Co. 



STANDFUSS, M. 



1896. Handbuch der palaarktischen Gross-Schmetterlinge f iir Forscher und Sammler. 



Jena : Fischer, xii + 392. 8 Taf. 

 STJT.TON, W. S. 



1902. On the morphology of the chromosome group in Brachystola magna. Biol. 



Bull., iv, No. i, pp. 24-39. Dec - 



1903. The chromosomes in heredity. Biol. Bull., TO! iv, No. 5, pp. 231-251. April. 



TEGETMEIER, W. B. 



1856. On the remarkable peculiarities existing in the skulls of the feather-crested 

 variety of the domestic fowl, now known as the Polish. Proc. Zool. Soc. 

 Lond., 1856, pp. 366-368. Figures. 



1867. The poultry book, etc. London : Routledge. viii -f- 356 pp., 30 colored plates, 



36 uncolored figures. 



THORNDIKE, E. L. 



1905. Measurements of twins. Archives of philosophy, psychology, and scientific 

 methods. No. i, Sept. 64pp. 



TSCHERMAK, E. 



1904. Weitere Kreuzungestudien an Erbsen, Levkojen und Bohnen. Zeitschr. fur 



das landwirths. Versuchswesen in Oesterr. 1904. 106 pp. 



WEIR, H. ; JOHNSON, W. G., and BROWN, G. O. 



1904-05. The poultry book. 3 vols. New York : Doubleday, Page & Co. xxii -f 



1311 pp. 

 WEISMANN, A. 



1904. The evolution theory. Trans, by J. A. Thomson and M. R. Thomson. 2 vols. 



London : Arnold, xvi + 416 + 405 pp. 

 WOODS, F. A. 



1902-03. Mental and moral heredity in royalty. Popular Science Monthly. Aug. 

 1902-April, 1903. 



T("*H*I* T 



1902.' The new book of poultry. London, etc. : Cassell & Co. viii + 600 pp. 



WYCKOFF, E. G. 



1904. The Leghorns. In Weir- Johnson-Brown Poultry Book. 1904-05 (g. v.). 



ZIEGLER, H. E. _ t 



1905. Die Vererbungslehre in der Biologic. Jena : Fischer. 74 PP- 2 Taf - 



