CONTENTS. 



Class Hexapoda, Order DIPTERA 

 Goeldi's " Os Mosquitos no Para." By Frederick Knab 57 



Class Hexapoda, Order LEPIDOPTERA. 

 The North American Nymphulinae and Scopariinae. By Harrison G. Dvar . . 77 

 Descriptions of four new North American Moth«. By Harrison G. Dyar . . 107 



Book Notices 109 



Proceedings of the Society 112 



JOURNAL. 



Published quarterly by the Society at 41 North Queen St., Lancaster, 

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