ON A COLLECTION 



OF 



BUTTERFLIES 



OBTAINED BY 



MR. RICHARD CRAWSHAY 



N Y A S A-L A N D, 



BETWEEN THE MONTHS OF JANUARY AND APRIL 1895. 



BY 



ARTHUR G. BUTLER, PH.D., F.L.S., ETC. 



[From the PROCEEDINGS OF THE ZOOLOGICAL SOCIETY OF LONDON, 

 January 14, 1896.] 



[1] 



