THE 



SCIENTIFIC PHOCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XIII. (IS.), m. ?.l. DECEMBEE, 1912. 



UNSOUND MENDELIAN DEVELOPMENTS, 



ESPECIALLY AS EEGAEDS THE PRESENCE 



AND ABSENCE THEOEY. 



BY 



JAMES WILSON M.A., B.Sc. 



PKOFESSOK OF AGEICULTURE IN THE EOVAL COLLEGE OF SCIENCE, DUBLIN. 



[>4 uihors alone are responsible for all opinions expressed in Iheir Communicafioiis-I 



DUBLIN : 



PUBLISUED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NOEGATE, 



14, HENE]ETTA S'lEEET, COVENT GARDEN, LONDON, W.C. 



1912. ^,____^^ 



'% 



Price One Shilling and Sixpence. ( JUL 7 1913 



