•2/«5/ V / 2. 



2nd Ser. ZOOLOGY.] 



t^ S. ?'^^ 



[VOL. III. PART 6. 



THE 



TRANSACTIONS 



OF 



THE LINNEAN SOCIETY OE LONDON. 



A REVISIONAL MONOGRAPH OF RECENT EPHEMERIDJl 



OR MAYFLIES.-PAET VI. 



BY 



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



(Communicated by Sir John Lubbock, Bart., F.R.S., Pres. Linn. Soc.) 



NOTICE.-This part concludes Volume 3. Vol. 2 will also shortly be completed. 



LONDON: 



PRINTED FOR THE LINNEAN SOCIETY 



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



SOLD AT THE SOCIETY'S APARTMENTS, BURLINGTON-HOUSE, PICCADILLY, W., 

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



March 1888. 



