42 



HEREDITY IN RABBITS, RATS, AND MICE. 



Table 19. — Variation of the uncrossed "white" Dutch race. 



Table 20. — Variation of the uncrossed "dark" Dutch race. 



Parents. 



'd^4 



X 9 7642(2). 



X $8034(3). 



X $7644(3). 



X $7684(3). 



X $6989(4). 



X 9 7685(4). 



X 9 8290(4). 



X 9 5153(5). 



X 9 6707(5). 



■ i Totals. 



d' 6701 (5) X $7641(2). 



Table 21. — Variation of the ipicrossed "tan" Dutch race. 



