00297nam a2200109Ia 450000500170000000800410001708200140005810000200007224500370009226000500012930000080017920260225051007.0260224s9999||||xx |||||||||||||| ||und||  a595.7 SNO  aR.E. Snod Grass 0aPrinciples of insect morphology   aSingapore: McGraw-Hill Inter. Book Co. c1935  a667