CONTENTS. 



Class Hexapoda. Order COLEOPTERA. 



The North American species of Cotalpa. By II. F. WiCKHAM 1 



The development of the wings of Beetles, and studies on the origin of wings. By 

 P. B. Powell 5 



Class Hexapoda, Order DIPTERA. 



A synoptic table of North American mosquito larvae. By H. G. Dyar 22 



Brief notes on mosquito larvae. By II. G. Dyar .... 26 



Class Hexapoda, Order HEMIPTERA. 

 A list of Hemiptera occurring within 70 miles of New York. By J. R. de la 



Torre Bueno . .... ... 29 



A list of Capsids from the state of New York, with description of a new species. 



By O. Heidemann 48 



Class Hexapoda. Order ORTHOPTERA. 

 A new species of Amblycorypha from Kansas. By A. X. Caudell 50 



Editorial . . . . 51 



Corrections to list of members 52 



Proceedings of the Society 52 



JOURN A Iv 



Jlsfct* Hsr*^* Irnt am critical j^ocifcijn 



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