57 BIOLOGY 



5778 SEX. 



5778 Dawson, E. R. Causation of sex in man. Lond. 1917. 

 5778 Doncaster, L. Determination of sex. Camb. 1914. 



5778 Geddes, P., and Thomson, J. A. Evolution of sex. 



Lond. 1889. 



5778 Morgan, T. H. The Genetic and the operative evidence 

 relating to secondary sexual characters. Wash. 1919. 



5778 Heredity and sex. New York 1913. 



BIOLOGICAL TECHNIC. 



578 MICROSCOPY. 



578 Behrens, W. Tabellen zum Gebrauch bei mikroskopi- 



schen Arbeiten. Hrsg. E. Kiister. Leip. 1908. 



578 Carpenter, W. B. The Microscope and its revelations. 



Ed. W. H. Dallinger. Lond. 1891. 



578 Cross, M. I., and Cole, M. J. Modern microscopy. 



Lond. 1903. 



578 Gage, S. H. The Microscope. [Ithaca, N.Y.] 1917. 



578 Naegeli, C., and Schwendener, S. The Microscope in 



theory and practice. Lond. 1887. 



578 Pollack, B. Methods of staining the nervous system. 



Glasg. 1899. 



578 Scales, F.'S. Practical microscopy. Lond. 1909. 



578 Spiers, F. S. The Microscope its design, construc- 



tion, and applications. Lond. 1920. 



578 Spitta, E. J. Microscopy. Lond. 1920. 



578 Wright, Sir A. E. Principles of microscopy. 



Lond. 1906. 



57803 Ehrlich, P. Encyklopadie der mikroskopischen Technik. 

 Hrsg. P. E., etc. 2 vols. Berl. 1903. 



57803 Griffith, J. W., and Henfrey, A. Micrographic dic- 

 tionary. 2 vols. Lond. 1875. 



57805 Journal of microscopy and natural science. Vols. 

 J.N. 1-2, 4, 7-16. Lond. 1882-97. 



168 



