THE 



MICROGRAPHIC DICTIONARY; 



A GUIDE TO THE EXAMINATION AND INVESTIGATION 



OF THE 



STRUCTURE AND NATURE 



OF 



MICROSCOPIC OBJECTS. 



BY 



.1. W. GRIFFITH, M.D., F.L.S. &c., 



MEMBER OF THE ROYAL COLLEGE OF PHYSICIANS ; 

 AND 



ARTHUR HENFREY, F.R.S., F.L.S. &c., 



PROFESSOR OF BOTANY IN KING'S COLLEGE, LONDON. 

 ILLUSTRATED BY FORTY-ONE PLATES AND EIGHT HUNDRED AND SIXTEEN WOODCUTS. 



LONDON: 

 JOHN VAN VOORST, PATERNOSTER ROW. 



C- ^VIA/ MDCCCLVI. 



