Table I.-Colors of Beads of Borax and Microcosmic Salt, Table II.-Behavior of Metallic Oxydes with Borax and Microcosmic Fourth Group.-Cerium, Lanthanium, Didymium, Columbium, PREFACE. It is believed the arrangement of the present work is superior to that of many of its predecessors, as a vehicle for the facilitation of the student's progress. While it does not pretend to any other rank than as an introduction to the larger works, it is hoped that the arrangement of its matter is such that the beginner may more readily comprehend the entire subject of Blowpipe Analysis than if he were to begin his studies by the perusal of the more copious works of Berzelius and Plattner. When the student shall have gone through these pages, and repeated the various reactions described, then he will be fully prepared to enter upon the study of the larger works. To progress through them will then be but a comparatively easy task. The arrangement of this little work has been such as the author and his friends have considered the best that could be devised for the purpose of facilitating the progress of the |