324 THE THEORY OF THE GENE 



Mehling, E. 19] 5. Tiber die gynandromorphen Bienen des Eugsterschen 



Stockes. Verh. Phys.-Med. Gesell. Wiirzburg. XLVIII. 

 Mendel, G. 1865. Versuche iiber Pflanzen-hybriden. Verh. Naturf. Ver. 



Briinn. IV. 

 Metz, C. W. 1914. An apterous Drosophila and its genetic behavior. Am. 



Nat. XLVIII. 



1914. Chromosome studies in the Diptera. I. Jour. Exp. Zool. XVII. 



1916. Mutations in three species of Drosophila. Genetics. I. 



1916. Chromosome studies on the Diptera. II. The paired association of 



chromosomes in the Diptera, and its significance. Jour. Exp. Zool. XXI. 



1916. Chromosome studies on the Diptera. III. Additional types of 



chromosome groups in the Drosophilidae. Am. Nat. L. 



— 1916. Linked Mendelian characters in a new species of Drosophila. 

 Science n.s. XLIV. 



— 1918. The linkage of eight sex-linked characters in Drosophila virilis. 



Genetics. III. 



— 1920. Correspondence between chromosome number and linkage groups 

 in Drosophila virilis. Science n.s. LI. 



— 1920. The arrangement of genes in Drosophila virilis. Proc. Nat. 

 Acad. Sc. VI. 



1925. Chromosomes and sex in Sciara. Science. LXI. 



Metz, C. W., and Moses, M. S. 1923. Chromosomes of Drosophila. Jour. 

 Heredity. XIV. 



Metz, C. W.; Moses, M.; and Mason, E. 1923. Genetic studies on Droso- 

 phila virilis, with considerations on the genetics of other species of Droso- 

 phila. Carnegie Inst. Wash. No. 328. 



Meves. Fr. 1907. Die Spermatocyten bei der Honigbiene Apis mellifica (L.) 

 nebst Bemerkungen liber Chromatinreduktion. Arch. f. mikro. Anat. u. 

 Entw. LXX. 



Minoura, T. 1921. A study of testis and ovary grafts on the hen's egg and 

 their effects on the embryo. Jour. Exp. Zool. XXXI1L 



Mohr, O. L. 1919. Character changes caused by mutation of an entire region 

 of a chromosome in Drosophila. Genetics. IV. 



1921. Den Morgan 'ske skole og dens betydning for den moderne 



arvelighedsforskning. Nord. Jordbrugsforsk. Foren. Kongr. Kbenhavn. 



1922. Cases of mimic mutations and secondary mutations in the X- 



chromosome of Drosophila melanogaster. Zeit. f. ind. Abst.-Vererb. 

 XXVIII. 



— 1922. o. Winge's paper on "The interaction between two closely linked 

 lethals in Drosophila as the cause of the apparent constancy of the 

 mutant ' spread. ' ' ' Genetica. IV. 



1923. A somatic mutation in the singed locus of the X-chromosome in 



Drosophila melanogaster. Hereditas. IV. 



1923. Das Deficiency-Phanomen bei Drosophila niolanogaster. Zeit. f. 



ind. Abst.-Vererb. XXX. 



1923. A genetic and cytological analysis of a section deficiency in- 



volving four units of the X-chromosome in Drosophila melanogaster. Ibid. 

 XXXII. 

 Moore, C. E. 1919. On the physiological properties of the gonads as con- 



