



i o i v_x n LLj 



l".AJL. OF EISTTO s ^" 



[Established in 1S74.] 



Vol. 6. No. 180. 



April, 1S91. 



CONTENTS: 



Some old Correspondence between Harris, Say and Pickering. — I . . 57 



Personal Notes 60 



Oebalus pugnax an Enemy of Grasses. — H. Garment ...... 61 



A list of the Orthoptera of Illinois, III. Acrididae (part). — Jerome 



McNeill .... 62 



Lestes eurinus Say. — Samuel H. Scudder , ... 66 



Hemidiptera haeckelii. — W. M. Wheeler 66 



Protection by Conspicuous Colors. — Lord Walsingham ..... 67 



Green Butterflies. — W. Doherty. ........... 68 



forel on the habits of brachytrypus ......... 68 



Bugnion on Alpine Faunas 68 



The Abbe Provancher's work in Canada 69 



Proceedings of the Cambridge Entomological Club 69 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 



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



[Entered as second class mail matter.] 



