748 THE AMERICAN NATURALIST [Vol.XLIX 



remarkably uniform, but among and beyond the P 2 gen- 

 eral observation found no rule of inheritance. It re- 

 mained for the application of the analytical or Mendelian 

 study to discover order in the apparent somatic tangle of 

 F 2 . The skin-color story just related is a striking case 

 in point. 



The third class of blended inheritance — the particulate 

 or mosaic— is typified by the behavior in heredity of coat- 

 color in short-horn 6 cattle in which, in the F x soma, the 



Black Man yellow Man White Man 



Wm. Chin I ^| LwaS Hilts 



M I 



<5V 



** The red of these sccdes is carmine which according 

 to Riowqys Color Standards is composed 35% of spectrum 

 red, 452i of black. 



Jamaicans -Employees of the Moneaaue Hotel, Moneaque. Jamaica. 



tor^Vtebster David Mucljono&h G.Ue^yn Lillian Un£ 



x'H? y'^J 



W.trX Welt W.iZi W . tt 



ioo.-j ioo& ioox *OOJ? 



Br oca's Scale Brants Scale Braca's Scale Broca's Scale 



«" Inheritance of Coal-Color in Short-horn Cattle," American Natural- 

 ist, December, 1911, January, 1912, by H. H. Laughlin. 



