BY JAMES G. NEEDHAM 



ELEMENTARY LESSONS ON INSECTS 



A HANDBOOK OF THE DRAGONFLIES 

 OF NORTH AMERICA 



LEAF-MINING INSECTS 

 (needham, frost and tothill) 



NATURAL HISTORY OF THE FARM 



LIFE OF INLAND WATERS 

 (needham and lloyd) 



ELEMENTARY LESSONS IN ZOOLOGY 



GENERAL BIOLOGY 



OUT-DOOR STUDIES 



GUIDE TO THE STUDY OF FRESH 

 WATER BIOLOGY 



