BIBLIOGRAPHY 257 



DONCASTER, L., 1912. The Chromosomes in the Oogenesis and 



Spermatogenesis of Pieris brassicae, and in the Oogenesis of 



Abraxas grossulariata. Jour. Genet., II. 

 DONCASTER, L., 1912. Note on the Chromosomes in Oogenesis 



and Spermatogenesis of the White Butterfly, Pieris brassicae. 



Proc. Camb. Phil. Soc., XVI. 

 DONCASTER, L., and G. GRAY, 1911. Cytological Observations on 



Cross-fertilized Echinoderm Eggs. Proc. Camb. Phil. Soc., 



XVI. 

 DONCASTER, L., and F. H. A. MARSHALL, 1910. The Effects of 



One-sided Ovariotomy on the Sex of the Offspring. Jour. 



Genet., I. 

 DONCASTER, L., and G. H. RAYNOR, 1906. Breeding Experiments 



with Lepidoptera. Proc. Zool. Soc. Lond. 

 DREW, G. A., 1911. Sexual Activities of the Squid, Loligo Pealii 



(Hes.). I. Copulation, Egg-laying and Fertilization. Jour. 



Morph., XXII. 

 DURHAM, F. M., 1911. Further Experiments on the Inheritance of 



Coat Colour in Mice. Jour. Genet., I. 



DURHAM, F. M., and D. E. C. MARRYAT, 1908. Note on the In- 

 heritance of Sex in Canaries. Jfik Rep. Evol. Comm., Roy. 



Soc. Lond. 



EAST, E. M., 1910. Notes on an Experiment concerning the Na- 

 ture of Unit Characters. Science, XXXII. 

 EAST, E. M., 1910. The R61e of Hybridization in Plant Breeding. 



Pop. Sci. Mon., Oct., 1910. 

 EAST, E. M., 1911. The Genotype Hypothesis and Hybridization, 



Am. Nat., XLV. 

 EAST, E. M., 1912. A Study of Hybrids Between Nicotiana 



bigelovii and N. quadrivalvis. Bot. Gaz., LIII. 

 EAST, E. M., and H. K. HAYES, 1911. Inheritance in Maize. 



Conn. Exp. Sta. Bull, 167. 

 EAST, E. M., and H. K. HAYES, 1912. Heterozygosis in Evolution 



and in Plant Breeding. U. S. Dept. Agric., Bureau Plant 



Ind. Bull. 243. 

 EDWARDS, C. L., 1910. The Sex-determining Chromosomes in 



Ascaris. Science, XXXI. 

 EMERSON, R. A., 1909. Inheritance of Color in the Seeds of the 



