00357nam a2200109Ia 4500008004100000082001700041100002900058245003600087260004100123630001800164650006500182211109s9999||||xx |||||||||||||| ||und||  a595.7bGRA-P  aGraham, Samuel Alexander 0aPrinciples of Forest Entomology  bMcgraw-Hill Book Co.aNew Yorkc1939  xGeneral Stack  aNATURAL SCIENCESvZOOLOGYENTOMOLOGYSTUDY OF INSECTSxZoology