003960000a22001570004500060000800000082001400008100002000022100002000042100001900062245002800081250000600109260003500115260000900150300000800159650007100167  a100  a595.7 ROS  aRoss, Charles A  aRoss, Herbert H  aRoss, June R P  aText book of Entomology  a4  aNewYork, John Wiley & Sons INC  c1948  a666  aEntomology/ Growth- North American entomology/ Response- behaviour