AD VERTISEMENT. 



SQUIRE'S "SELECTED" STAINS 



DEFINITE STRENGTH. 



Sample bottles, 6d. $ Is. 



ALL REAGENTS AND DYES USED IN MICROSCOPY., 



LIST ON APPLICATION. 



SQUIRE & SONS, 



CHEMISTS ON .'THE ESTABLISHMENT IN ORDINARY 



TO THE QTJEEN, 

 ICHEMISTS IN ORDINARY TO H.R.H. THE PRINCE OF WALES, 



413, OXFORD STREET, LONDON, W. 



Corner ofDvke Street, Grosvenor Square. 



