TY  - BOOK
AU  - Shotwell,R.L.
TI  - Life histories and habits of some grasshoppers of economic importance on the Great plains
T2  - Technical bulletin / United States Department of Agriculture
AV  - SB945.L7 S53
PY  - 1941///
CY  - Washington
PB  - U.S. Dept. of Agriculture
KW  - Locusts
N1  - Cover title; Contribution from Bureau of Entomology and Plant Quarantine
ER  -