Figs. 5 and 6. Results of crossing two inbred strains of corn. At the left in Fig. 
5 are two inbred varieties. The tall corn at the right is the result of crossing 
them. In Fig. 6, the basket at the right represents the average production of two 
inbred strains after three generations of inbreeding— 61 bushels per acre. The 
basket at the left shows the first generation results from crossing them— 101 
bushels per acre (after East and Hayes). 
Fig. 7. The "survival of the fittest.” Breeding red raspberries to secure a hardy, 
non-winter-killing type for the northern plains region. Tne staked plants repre- 
sent the best selections from a large field of crosses and seedlings (after Hanseni. 
