TY  - BOOK
AU  - Folsom, Justus Watson
TI  - Entomology: with special reference to its biological and economic aspects
T2  - Blakiston's Science Series
U1  - 595.7 21st ed.
PY  - 1909///
CY  - Philadelphia
PB  - P. Blakiston's Son & Co
KW  - Insects
KW  - Anatomy and physiology
KW  - Insect behavior
KW  - Beneficial insects
KW  - Insect pests
KW  - Entomology
N1  - 409-85 includes index
ER  -