CONTENTS 
Paqbs 
InTKOD POTION ... Ill 
Part I. — The Essential Oi] from the Oleoresin of Pinus Khasya . . 112 
„ II. — The Essential Oil from the Oleoresin of Pinus excelsa . , 116 
„ III. — The Essential Oil from Cedrus Deodara, Loudon . . . 123 
„ IV. — The Essential Oil from Andropogon Jwarancusa, Jones . . 123 
„ V. — The Essential Oil from Zanthoxylum alatum, Roxb. . . . 133 
„ VI. — The Essential Oil from Zanthoxylum acanthopodium, D.C. . . 13.5 
„ VII. — The Essential Oil from Zanthoxylum Budrunga, Wall. . . HI 
