PKEFACE TO THE SECOND EDITION. 



The premature death— March 24, 1875— of my lamented friend Daniel 

 Hanbury, haviug deprived me of his invakiable assistance, I have 

 attempted to prepare the new edition of our work with adherence to 

 the same principles by which we were guided from the beginning. 



I desire to acknowledge my obligations for great and valuable 



assistance to my friend Thomas Hanbury, Esq., F.L.S., who has also 

 honoured the memory of his late brother by causing the scientific 

 researches of the latter to be collected and republished in the handsome 

 volume entitled, " Science Papers, chiefly Pharmacological and Botanical, 

 by Daniel Hanbury, edited, with memoir, by Joseph Ince," London. 

 1876. To Dr. Charles Rice of New York, editor of " New Remedies," 

 I am indebted for much kindly extended and valuable information, 

 and to whose intimate acquaintance with oriental literature, both 

 ancient and modern, many of the following pages bear ample testimony. 

 I am likewise indebted for similar assistance to mj friends Professors 

 Goldschmidt and Noldeke, Strassburg. Information of various kinds, 



as well as valuable specimens of drugs, have also been courteously' sup- 

 plied to me by the following gentlemen, viz. :— Cesar Chantre, Esq., 



H 



Holmes 



H 



worth Howard, F.I.C., London ; Capt. F. M. Hunter, F.G.S., &c., Assistant 

 Resident, Aden ; A. Oberdorffer, Esq., Hamburg ; Prof Edward Schar, 

 Zurich ; Dr. J. E. de Vry, the Hague, &c. 



On mature consideration, it was deemed expedient to omit in the 

 new edition a large number of references relating more especially to 

 chemical facts. Yet, in most instances, not only the author but also 



the vear has been stated in which tlio resr>erti\'fi observation or (lis- 



