N. Blanciiard 



231 



aiid tlio cquatioii : 



•2735648 = )- + -1554165»'2+'0631895r'' + -0928r)4r)r' 



+ -Ol 00SR2/-'^ + ■OfiOSOTOc« - •0007343c' + "04 1 2678;-« + etc. 

 tho root of which i.s 



Fmra Table III. 



r=-2614. 



Paternal Grandams. 



• I— I 



givnig : 



/( = -5243986, //= -3517190, 



/• = ^esi) 1 50, A' = -3393338, 



and tho cquation : 



•2111434 = ;- + -1491612;-= + -0817246/-3 + -090ö581>-i 



+ -0138143;-''' + •0606133;-" + -0014633;-' +-0420798rS+ etc. 



the root of which is 



From Table IV. 



)- = -2041. 



Maternal Graudams. 



giving : 



Ä = -6097900, /?"= -3312572, 



/-= -5388334, K = -3380886, 



and the equation : 



-2505039 = r + -1750152;-2+ -0701968;-''+ -09766.33;-* 



+ -0088602;-'' + ■0630885;-« + -0001216;-'+ 0419921;-» +etc. 



tho root of which is 



;•= -2.392. 



(3) The eight grandparental correlations for the horse are given below together with the 

 corresponding ones for eye-colour in man for the sake of comparison. The whole series ha.s now 

 been determiiied by Pearson and Bramley- Moore* or myselft. 



* hoc. cü. p. 93. 



t Biometrika, Vol. i. p. 361. 



