CONTENTS OF THIS NUMBER. 



Se VERiN, H. H . . A Study on the Structure of the Egg of 

 the Walking-Stick Diapheromera femorata Say; and the 

 Biological Significance of the Resemblance of Phasmid 

 Eggs to Seeds 83 



Forbes, W. T. M. — A Structural Study of Some Caterpillars 94 



Morgan,* T. H,, and Schuli. ' —The Life Cycle of 



Hormaphis hamanielidis 144 



Headlee, T. J. — An Apparatus for the Detemiination of 



Optimums of Temperature and Moisture 147 



Smith, John B.— Notes on Certain Species of Mamestra. . . 154 



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