INHERITANCE, FERTILITY, AND THE 



DOMINANCE OF SKX AND COLOR 



IN HYBRIDS OF WILD SIM'XMHS 



OF PIGEONS 



POSTHUMOUS WORKS Ol UIAKI.I- <) I IS Will I MAN 



PROMISOR III- /IMII.CK.V IN III! IMMKMIY 111- < III. M. ||Oj I'lKM ' ' KINK 



111(11. CM. H M. 1 MliikMiiKY \ I Ull'.l^ II. ) 



KIHTKI) HV 



OSCAR RIDDLE 



RESEAKi H ^SSOCIATB Ol mi i M;M LIK IN^I I n li'is 



VOI. I'M K II 





PUBI.ISHKI> I!Y 



THE CARNEGIE INST1TI T1ON Ol- \V\SItINGTo\ 

 WASHINGTON, 1919 



