APPENDIX 3 



NEWMAN, H. H. 1932. Euolutiott Yesterday and To-day. Baltimore. 



NEWMAN, H. H. 1940. Multiple Human Births. New York. Republished in 1942 as 



Twins and Super-Twins. London. 

 NEWMAN, H. H., FREEMAN, F. N., and HOLZiNGER, K. J. 193?. Tivinsi A Study of 



Heredity and Environment. Chicago. 

 NICHOLS, J. E. 1944. Livestock Improvement. Edinburgh. 

 ORMEROD, J. A. 1908. On Heredity in Relation to Disease. London. 

 OSBORN, F. 1940. Preface to Eugenics. New York and London. 

 PEARL, R. 191 5. Modes of Research in Genetics. New York. 

 PEARL, R. 1922. The Biology of Death. Philadelphia. 



PEARL, R. 1923. Introduction to Medical Biometry and Statistics. Philadelphia. 

 PEARL, R. 1925. Biology of Population Growth. New York. 

 PEARL, R. 1939. Natural History of Population. London. 

 PiNCHER, c. 1946. The Breeding of Farm Animals. Harmondsworth. Penguin. 

 POPENOE, P. 1929. Child's Heredity. Baltimore. 

 POPENOE, p. 1930. Practical Applications of Heredity. Baltimore. 

 POPENOE, p., and Johnson, r. h. 1933. Applied Eugenics. New York. 

 PUNNETT, R. c. 1905, 1927. Mendelism. London. 

 punnett, r. c. 191 5. Mimicry in Butterflies. Cambridge. 

 PUNNETT, R. c. 1 923. Heredity in Poultry. London. 

 REID, G. A. 1901. Alcoholism, a Study in Heredity. London. 

 REiD, G. A. 1905. The Principles of Heredity. London. 

 REID, G. A. 1910, 1911. The Laws of Heredity. London. 

 RIDE, L, 1938. Genetics and the Clinician. Bristol. 

 ROBERTS, H. F. 1929. Plant Hybridization Before Mendel. Princeton. 

 ROBSON, G. c. 1928. The Species Problem. Edinburgh and London. 

 RUSSELL, E. s. 1 930. The Interpretation of Development and Heredity. Oxford. 

 SANSOME, F. w., and PHiLP, J. 1932, 1939. Recent Advances in Plant Genetics. London. 

 SCHEINFELD, A. 1939. You and Heredity. London. 

 SCHRADER, F. 1944. Mitosis. New York. 

 SCHRODINGER, E. 1944. What is Life? Cambridge. 

 SCOTT, w. B. 191 7. Theory of Evolution. New York. 

 SHARP, L. w. 1921, 1926, 1934. An Introduction to Cytology. New York. 

 SHULL, A. F. 1936. Evolution. New York. 

 SHULL, A. F. 1938. Heredity. New York and London. 

 SIMPSON, G. G. 1944. Tempo and Mode in Evolution. New York. 

 SINNOTT, E. w., and DUNN, L. c. 1925, 1932, 1939. Principles of Genetics. New York. 

 SNYDER, L. H. 1929. Blood Grouping in Relation to Clinical and Legal Medicine. 



Baltimore. 

 SNYDER, L. H. 1935- Principles of Heredity. London. 

 SPENCER, H. 1887. Factors of Organic Evolution. 



STURTEVANT, A. H., and BEADLE, G. w. 1939. An Introduction to Genetics. Philadelphia. 

 THOMSON, J. A. 1908, 1926. Heredity. London. 



DE VRIES, H. 1905. Species and Varieties, their Origin and Mutation. Chicago. 

 DE VRIES, H. 1907. Plant Breeding. Chicago. 



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