38 



Journal of Agricultural Research 



Vol. XV, No. I 



the brisket are present. Since the data on the extension areas are 

 rather limited, it has been deemed well to consider only this inguinal 

 spot and leave the extension factors for future study (Table XX). 



It is obvious at a glance that this white on the belly behaves quite 

 differently from the white markings on the rest of the body. The 

 general conclusion to be drawn from a study of Table XX is that white 

 in the region of the udder behaves as if it were a dominant. There is 

 unfortunately one real exception to this, in that No. 13 has a white 

 throat and inguinal spot, when his parents are both solid color. For 

 the case it must be said that the description of the parent, Columbia's 

 Fox, had to be taken from the herd book, as this animal was sold without 

 description. It is quite probable that a small white spot would escape 

 the one making the record for registry, so that when it is possible to 

 check this case it may be that the required spots will be found. 



Should the interpretation of a dominant for this case be correct, the 

 expectation and realization for the various classes would be as follows : 



Inguinal spot X inguinal spot = 3 spots to i solid color. The actual 

 figures obtained are 21 to 6. Inguinal spot X solid color would be 

 expected to give i to i ; the experimental results obtained are 10 to 8. 



WHITE MARKINGS OF THE LEGS 



The markings of the legs may be divided into four general classes: 

 (i) Animals which are solid color; (2) animals with a white ring on the 

 coronet and extending a short distance above it; (3) the further exten- 

 sion of this white into a white sock; and (4) its still further extension 

 into a white stocking. There are other markings, but these are the most 

 common and will be the only ones considered. 



Table XXI. 



-Behavior of the white markings on the legs in the parental and first filial 

 generations 



LEFT FORELEG 



Description of mating. 



Offspring. 



Taurus Cream elle Hengerveld . 



Do 



Do 



Do 



Do 



Kayan 



Do 



Do 



Lalceland's Poet 



Do 



Minor crosses; 



Crossbred o 



Do. 



Crossbred lo. 



I,ady Primrose's Governor of the 

 Foimtain. 



Johanna Lad Manor De Kol 



Columbia's Fox 



Short stockingXlong stocking. . . . 

 Short stocking X short stocking . . . 



Shcrt stocking X solid color 



Short stockingX Fi long stocking . 

 Short stocking XFi short stocking 



Solid color X long stocking 



Solid colorXshort stocking 



Solid color X solid color 



do 



Solid colorXlong stocking 



Solid color carrying white X solid 



color. 

 Solid color carrying whiteXsolid 



color carrying white. 



Solid color carrying whiteXsolid 



color. 

 Long stockingXsolid color 



.do. 



Solid color X solid color . 



2 long stockings. 

 I short stocking. 

 I short, 10 solid color. 

 I long stocking. 



1 short stocking. 

 10 solid color. 



2 soHdcolor. 

 10 solid color. 



3 solid color. 



2 solid color+ 1 long stocking. 



2 solid color. 



I spot above knee+i small white 

 spot on coronet+i short stock- 

 ing. 



I solid color. 



Do. 



Do. 

 Do. 



