o,;l^ 



2nd Ser. ZOOLOGY.] 



StCm^z-f/j: 



[VOL. III. PART 3. 



THE 



rRANSACTIONS 



OF 



THE LINNEAN SOCIETY OF LONDON. 



A EEVISIONAL MONOGEAPH OF RECENT EPHEMERIDJ] 



OR MAYFLIES.-Part IIT. 



BY 



The Rev. A. E. EATON, M.A. 



{Commumcated by Sir John Lubbock, Bart, F.R.S., Pres. Linn. Soc.) 



NOTICE.-This Memoir will form Vol. 3. Vol. 2 is being simultaneously 



continued in Parts. 



LONDON: 



PRINTED FOR THE LINNEAN SOCIETr 



BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



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

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



April 1885. 



