

TO 



A. C. MAYBUEY, ESQ., D.Sc. (Lond.), M.R.C.S., T.G.S. 



.A.8fiOCl.A.TE OF THE KOYAX SCHOOL OF UIITES \ 



AriHOB OP "THE STUDElTX's CHEMISTRY," AUD TBAJTSLAtOB OF 



"OTIS'B JfETAUOBFHOSES," " X&ISTLA.," ZTC, 



(whose UA.STESLT AJTD ELOQUENT DISCOtlBSBS, GIFIED rCALBlTTS, 



KlSJi TABIBD ACC0UPLXSHMSMT8 A.BE WELL KSOWN TO UANT FBIEKDS 



.AJfD SIUDEinS OF BCIEITCE, UXDICUfE, ^XH LUEBaXUBS) 



THIS WORK IS AFFECTIONATELY DEDICATED 



BY HIS SINCERE FEIBND, 



THE AUTHOR. 



