The progress of Genetics since the rediscovery of Mendel's papers. 417 



109) de Vries, H., Sur la fécondation hybride de I'endosperme chez le maïs. Rev. 



Géu. de Bot., 1900, XII, p. 129. 1900. 



110) — , Sur les unités des caractères spécifiques et leur application à l'étude des 



hybrides. Eev. Gén. de Bot., XII, 1900, p. 257. 



111) — . Die Mutationen und die Mutationsperioden bei der Entstehung der Arten. 



Vortrag. Hamburg liJOl. 



112) — , Anwendung der Mutationslehre auf die Bastardieruugsgesetze. Ber. Deutsch. 



Bot. Gesellsch., XXI, 1903, p. 45. 



113) — , Befruchtung und Bastardierung. Vortrag in d. 151. J.-Vers. d. Hol. Gesellsch. 



d. Wissensch. Leipzig 1903. Veit & Co. 



114) — , La loi de Mendel et les caractères constants des hybrides. C. R. 1903. 



2. février. 



115) —, Die Mutationstheorie. 2 vols. Leipzig 1901—3. Veit & Co. 



116) — , Species and Varieties, their Origin by Mutation. Chicago, Open Court 



Publishing Co. 1905. 



117) Wood, T. B., Note on the inheritance of horns and face colour in sheep. 



Journ. Agri. Sei., Vol. I pt. 3 p. 364. 



118) Woods, F. A., Mendel's Law and some records in Rabbit breeding. 



Biometrika, II, 1903, p. 299. 



119) Yule, G. Udny, Mendel's Laws and their probable relations to intra-racial 



Heredity. New Phytologist, I, 1902, Nos. 9 and 10. 



Since this list was made the following important papers have been received : — 



Davenport, C. B., Inheritance in Poultry. Carnegie Inst, of W^ashington. 1906. 

 Toyama, K., Studies on the Hybridology of Insects. 1. On some Silk-worm crosses 



with special reference to Mendel's Law of Heredity. Bull. Coll. Agric, 



Tokyo Imp. University, Vol. VII. 1906. 



References to some Cytologicai papers bearing on phenomena 



of segregation. 



120) Boveri, T., Zellenstudien. tJber die Abhängigkeit der Kerngröße und Zellen- 



zahl der Seeigellarven von der Chromosomenzahl der Ausgangszeilen. 

 Jena 1905. 



121) Cannon, W, A., Studies in Plan t- Hybrids : The Spermatogenesis of Hybrid 



Cotton. Bull. Torrey Bot. Club, XXX, 1903, p. 133. 



122) Doncaster, L., On the Maturation of the unfertilized Qgg, and the fate of 



the polar bodies in the Tenthredinidae (Saw-flies). Quart. Journ. Micros. 

 Sei., XLIX, pt. IV, 1906, p. 561. 



123) Gregory, R. P., The abortive development of the Pollen in certain Sweet 



Peas. Proc. Camb. Phil. Soc, 1905, XIII, p. 148. 



124) Guyer, M. F., Spermatogenesis of Normal and Hybrid Pigeons. Chicago 



1900. Diss. 



125) Hacker, V., Über das Schicksal der elterlichen und großelterlichen Kernanteile. 



Jen. Ztsch. f. Naturwissens., XXXVII, 1902, p. 297. 



27* 



