CARNEGIE INSTITUTION OF WASHINGTON 

 WASHINGTON, D.G. 



April 15, 1924 



Mr. Walter Deane 



29 Brewster Street 



Cambridge, Massachusetts 



My dear Mr, Deane 



At the request of Dr. J. N. Rose 



we take pleasure in sending to you, imder separate 

 cover, a set of the Cactus monograph, Publication 

 No. 248 of the Carnegie Institution of Washington. 

 We trust that you will accept these volumes with 

 the compliments of the author and of the Institution. 



Very truly yours 



Administrative Secretary 



