2nd Ser. ZOOLOGY.] 



an. /2. /fU 



[VOL. III. PART 4. 



THE 



7 



TRANSACTIONS 



OF 



THE LINNEAN SOCIETY OF LONDON. 



A REVISIONAL MONOGRAPH OF RECENT EPHEMERID.E 



OR MAYFLIES.-PART IV. 



BY 



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



{Communicated by Sir John LuBBor-K, Bart., F.R.S., Pres. Liun. Soc.) 



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



LONDON: 



PRINTED FOR THE LINNEAN SOCIETY 



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



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

 AND BY LONGMANS, GREEN, AND CO., PATERNOSTER-ROW. 



December 1885. 



