UNIVERSITY OF CALIFORNIA 
COLLEGE OF AGRICULTURE 
DIVISION OF ZOOLOGY 
BRANCH OF THE COLLEGE OF AGRICULTURE 
DAVIS, CALIFORNIA 
February 11,1 :7. 
2rofessor Aido leo old 
Soils Uuildig 
Viv rsitu of  isconsi 
ndison,   iscousir 
D1r. eeopold: 
As a correction to the i"for ation I sent you s        ti: e 
ji irds ait' color cd tail fea thro        1    tv  f 
that, {'reen Ji ord  dyc is   ot as  erunest as I had prexri" sl 
su oosed.  r .re sn feat .ers  any .. 
Otober', hve a ~:ar' t> lost t e blue  orti )u of t'e  i; ant 
Um~ hve f' ed to a pale yellowisi color.   ! %o~c -at th 
'Tr- sincerely, 
,ZoDo.