Alfalfa in Kansas. 



363 



Fjg.3. 



Fig. 4. 



Fig. 5. 



FIG. 309. 1. Newhouse gopher trap. 2. Out O' Sight gopher trap. 3. Cali- 

 fornia gopher trap. 4. Newhouse trap as modified for use at the Kansas Experi- 

 ment Station. 5. Steel trap No. 0. 6. The steel jump trap. 

 [Courtesy Kansas Experiment Station.] 



