213 



The above list will serve, better than any words of mine ? 

 to illustrate the great and growing importance of Mendel's 

 discovery ; and will give the general reader some idea of the 

 remarkable developments that have taken place during the last 

 few years in the application of Mendelism to plants, animals ; and 

 man. Thanks largely to the ]abours of Bateson and his co- 

 workers ; a new science — the science of Genetics — has been 

 built up on a Mendelian basis. This science, with its modern 

 methods of factorial analysis, and pure-line breeding, promises to 

 provide Solutions to many problems of heredity and Variation, 

 hitherto obscure. 



Notwithstanding the short time that has elapsed since 

 MendePs memoir was discovered, the influence of Mendelism is 

 already being felt ; not only in the academic world of Biology, 

 but also in the practical Arts and Industries related thereto. 



In the ancient arts of Agriculture and Horticulture ; for 

 instance ; new races and strains innumerable are being built up 

 and isolated by the aid of the Mendelian principles, and it is 

 impossible to estimate the vast economic results that may result 

 therefrom. 



In the old science of Medicine and the new science of Eugenics, 

 the Mendelian principles have already, in certain cases, shed a 

 clear light where before was utter darkness. 



In the systematic sciences of Botany, Entomology, Orni- 

 thology, and Zoology, systematists are already beginning to utilise 

 the Mendelian principles to assist them in the determination of 

 their species and varieties. 



The influence of Mendelism in modifying the Darwinian 

 conceptions of Evolution, is already considerable, and the reflex 

 of this influence must, sooner or later, be feit in the more remote 

 regions of Philosophy. 



