3, m / 



2nd Ser. ZOOLOGY.] 



[VOL. III. PART 1. 



THE 



TRANSACTIONS 



OF 



THE LINNEAN SOCIETY OF LONDON, 



A REVISIONAL MONOGRAPH OF EECENT EPHEMERID.E 



OR MAyFLIES.-PARTL 



BY 



The Eev. A. E. EATON, M.A. 



{Communicated by Sir John LuishocK; Bart., F.R.S., Prcs. Liuu. Soc.) 



NOTICE. — This Memoir will form Vol. 3. Vol. 2 is being simultaneously continued in Parts. 



LONDON: 



PRINTED FOR THE LINNEAN SOCIETY 



BY TAYLOK AND FRAiN'ClS, RKD LION COURT, FI.KET STr.EET. 



SOLD AT THE SOCIETV's APARTMENTS, BURLINGTON-HOUSE, PICCADILLY, W. ; 

 AND BY LONGMANS, GREEN, READER, AND DYER, PATERNOSTER-ROW. 



December 1883. 



