PEDIGREE- CHarr I, 
THE DESCENDANTS oF No. 50x51. 
B. var. G.? xCr4¢ 
48 
Fil. 1Cr2+6Cr6“5” 
Cr29 xCr6“b”"¢ 
66a 
F2. 1Cr142Cr2+10r441Cr5410r7" 
Cr7; xCr4é 
43 
Cr2 x Cr 4* Cr29 xCr4¢ 8Cr6“s” F8. 
F383, 2Cr2+4Cr3+5 Or5 aA ea la eyes 
Cr4gxCr49 Cr4gxCr7? <— Cr79xCr4g 44 
19a Y 45 
[ aa 
715 Cr 4 FS. 2Cr2+2Cr6“6”"+1Cr6“a” 8Cr6“b” F3. 
fCr49 xCr5¢g Cr6“b" 3s x Or6b 2 Cr6“b"g xCr6“b”"9 Cr6“b"g xCr6“b"9 
B7e 51 Se 52 538 
i 1 ll 5 1 
6Cr6 4” F4,. 1Cr4+2 Cr5+1Cr6 “ds” F4, 10r5+3Cr6“b”+1Cr7 F4. 30r4+2Cr6“5"”+1Cr7 
Norr.—In those cases where the ancestry of only one of the parents can be traced on this diagram that of the other parent may be found on 
Pedigree Charts II or III, under the experiment bearing the same number, or it may be found in later papers. It can also be traced in the 
Ancestry Table (pp. 119—121) of this or later papers. 
* This albino was obtained from an ordinary dealer. LFS ; F 
+ Seven of these exhibited the zygotic “ghost” of the self-pattern. The remaining eight died soon after birth. 
{ This was one of the seven described in note fF. 
