2nd Ser. ZOOLOGY.] 



[VOL. V. PART 5. 



THE 



TRANSACTIONS 



OF 



THE LINNEAN SOCIETY OF LONDON. 



THE EXTERNAL MOEPHOLOGY OF THE LEPIDOPTEEOUS PUPA: ITS 

 EELATION TO THAT OF THE OTHER STAGES AND TO THE ORIGIN 

 AND HISTORY OF METAM0RPH0S1S.-Paets I.-III. 



BY 



EDWARD B. POULTON, M.A., F.R.S., F.L.S., 



OF EEBLE AJSB JESUS OOLLEOES. OXFORD. 



LONDON: 



PRINTED FOE THE LINNEAN SOCIETY 



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



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



i 



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



August 1890. 



