

PSYCHE, 





Ji. JOURNAL OF ENTOMOLOGY. 



[Established in 1S74.] 



Vol. 6. No. 178. 



February, 1891. 



CONTENTS: 



On the Relation between Scientific and Economic Entomology. — Charles W. 

 Wood-worth ............ 



A list of the Othoptera of Illinois, — II. Locustidae. — Jerome McNeill 

 Notes (Marine Insects ; Dr. Weed's appointment.) ..... 



On the Life History of Diabrotica 12-punctata Oliv. — H. Garman" . 



The Partial Preparatory Stages of Heteropacha rileyana Harvey. — G. H. 

 French ............ 



Smerinthus astylus. — Ida M. Eliot, Caroline G. Soule .... 



Brongniart on Prothoracic Wings in Carboniferous Insects 



A Hint from Entomology .......... 



Notes (Kolbe's Introduction; The oldest phryganid ; Eggs of Lycaenidae.) 

 Proceedings of the Cambridge Entomological Club .... 



19 



21 



27 



28 



30 

 3i 

 3i 

 32 

 32 

 33 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 



YEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMBERS, 20c. 



[Entered as second class mail matter.] 



