A. D. I^ARBISIITRK 



lor 



(i.e. that ot' thu huusc-inuusu). 



'I'lir iiidiviiiiuils üf cjich t^ionj) iiw, thcii chissilicd iiucunliiig U> thu coldur ul' tho 

 coloured patchcs. 



Class a = ycllow. 

 CUiss b = fiiwn yellow. 

 Class c=palc wild coloui- 

 Cla^s rf = dark wild cülour| 

 Class e = black, 

 aiid Class f= " lilac " = pale bluu gray ; at inv.suut uiily uxliibilud hy Uie oti'spriiig 

 of liybrids. 



Il, is not suggested that these form oiiu eolour series. Table I. shews Ihe 

 distribution of eolour and the colotir itsclf in all tlie individuals of twenty faniilics 

 [)roduccd by crossing waltziiig with albinu nüee. All the niice in thc Table have 

 black cycs. 



TABLE 1. 



* In these crosses the parents werc, $ waltzing mousc x J albino ; in all the rest the parcnts wcrc ? albino x j waltzer. 



