Give an example of a diatomic alcohol, and what are the acids that may be derived from it ?-[S. S., par. 756.] How is benzoic alcohol prepared P-[S. S., par. 595.] What is the action of chloride of benzoyl on dry carbonate of ammonium, and what is the constitution of the product P-[S. S., page 422, 5th Example.] A compound has been found to contain, Carbon 40.00 6.67 53.33 100.00 What is its formula? Combining number of carbon, 6; hydrogen, 1; oxygen, 8. Give details of calculation.— [F. S., chap. XX.] What are simple, mixed, and compound ethers, and in what relation do they stand to water?-[S. S., pars. 384 and 710.] 1863. Describe the method of transforming benzol into aniline. -[S. S., page 259, 3rd example; and page 407, 3rd example.] What are the products of the action of sulphuric acid upon alcohol?-[S. S., par. 571.] Give examples of primary, secondary, and tertiary monamines.-[S. S., par. 972.] A compound has been found to contain, What is its formula? Give such numerical details as will show the mode of calculation.-[F. S., chap. XX.] Give examples of monatomic, diatomic, and triatomic alcohols.-[S. S., pars. 553, 559, 735, and 834.] Calculate the per-centage of carbon, hydrogen, and oxygen contained in benzoic acid (C1, H. O,). Give such numerical details as will show the method of calculation.-[F. S., chap. XIX.] Describe the several methods of ascertaining the presence of hydrocyanic acid.-[Q. A., pars. 452 to 455.] State the preparation and composition of mercaptan.— [S. S., par. 366.] THE END. J. E. ADLARD, BARTHOLOMEW CLOSE. . CHEMICAL TABLES. Four Large Sheets, for Schools and Lecture Rooms. Price 4s. 6d. the set. 1. TABLE OF ELEMENTS, WITH THEIR SYMBOLS, ATOMIC WEIGHTS, AND SPECIFIC GRAVITIES. 2. TABLE OF BASES, WITH THEIR SYMBOLS AND COLOUR. 3. TABLE OF ACIDS, WITH THEIR SYMBOLS, AND THE STATE IN WHICH THEY EXIST. 4. TABLE OF THE GENERAL FORMULE OF SALTS. These Tables, and the "First Step," are placed on the List of School Books of the Educational Committee of the Privy Council. THE FIRST STEP IN CHEMISTRY. A NEW METHOD FOR TEACHING THE ELEMENTS OF THE SCIENCE. Third Edition, Illustrated with Engravings on Wood; foolscap 8vo., cloth, 5s. "Beginners in the study of chemistry are much indebted to Mr. Galloway, for the great pains he has taken in the book before us (Manual of Qualitative Analysis), and in his First Step in Chemistry,' to remove from the path of the student the many difficulties and obstacles which hinder his early progress. These difficulties, so puzzling and discouraging to the pupil, are too often forgotten or neglected by the compilers of such textbooks; but our author has evidently devoted considerable and especial attention to them, and we think he has been successful in most materially facilitating the acquisition of sound knowledge in the first stages of chemical study."-Philosophical Magazine. "We spoke favourably of Mr. Galloway's work on 'Qualitative Analysis,' and we are no less pleased with his First Step.""-Athenæum. "We have thus glanced at the principal features of Mr. Galloway's system of instruction, and although, as the book has now reached a third edition, it is pretty extensively known, we have done so because we believe that the principles of such a system cannot be too widely diffused, and that, if universally employed, not only would the beginner be spared much disappointment, but many more really practical chemists would be given to science. We have marked several portions of Mr. Galloway's book, the peculiar merits of which, did space permit, we should notice at length, but we think that our readers will, from the above résumé, get an idea of its general plan, and for its details we refer them to the book itself. We cannot, however, eonclude this notice, without reference to the chapter on the atomic theory, and that on isomerism, as examples of that clearness of explanation which is pre-eminently the characteristic of the whole work. Of the manner in which a subject may be treated, so as to combine interesting reading with sound instruction in confessedly difficult subjects, the sections on light and electricity may be cited as illustrations. JOHN CHURCHILL AND SONS, New Burlington Street. "In conclusion, we confidently recommend this little book to all who seek an introduction to chemistry, as a book which will, if properly studied, leave them in an infinitely better position than years of attendance upon lectures on the science, and with a practical knowledge of all its fundamental truths." -Dublin Medical Press. "We heartily commend this unpretending work to the heads of scholastic establishments, and to others who are anxious to initiate their pupils into the principles of a most fascinating and most useful branch of human knowledge."-London Journal of Medicine. "The author of this manual complains, and with some justice, that the elementary works on the science of chemistry do not begin at the beginning, and, consequently, do not follow up the various stages in their natural and proper order. Chemistry should be taught as arithmetic. This is the plan pursued by Mr. Galloway, and the arrangement of the subject is one of the distinctive features of his book. But besides this, he lays great stress on instruction in working examples; to lay down rules simply would utterly fail as a method of teaching Chemistry, just as much as it would fail in arithmetic. The exercises in this book are most abundant, and constitute its second recommendation. On the whole, we think it a very excelleut work, and we recommend it to the notice of our readers."-English Journal of Education, "This method of instruction seems likely to meet with considerable success in schools and other establishments, where a study of chemistry is not a chief branch of education, but must take its place by the side of Latin and Greek; and, as such, it gives us pleasure in being able to cordially recommend this useful little book."-Chemical News. "We have seldom had an opportunity of witnessing so large an amount of valuable information compressed in so small a space; and to the young student in chemistry, as well as the more matured one, we have no hesitation in strongly recommending the result of Mr. Galloway's labours."-Morning Herald. "The plan of teaching adopted by Mr. Galloway differs very considerably from the plans hitherto laid down; and the fact of a second edition of the work having been called for is a proof that Mr. Galloway's system is highly appreciated by the public. For interest and perspicuity, this is the most complete elementary treatise on chemistry which has yet appeared; and we can confidently recommend its study to all those who wish to become acquainted with that valuable science."-Morning Chronicle. Enough has been said to show the scope and design of Mr. Galloway's 'First Step in Chemistry.' We recommend it to every beginner in the study of that science, as better fitted to smooth his first difficulties than any other work with which we are acquainted.”—Morning Post. A MANUAL OF QUALITATIVE ANALYSIS. THIRD EDITION, ENLARGED AND IMPROVED, PRICE 58. This work contains a new and simplified scheme of analysis. It is one of the text-books in the examination for certificates as teachers of science in the department of Science and Art. "A most important feature of the system pursued consists in contrasting the chief properties of the individual members of each group of substances, by placing a description of these properties in parallel columns; thus the student, after experimentally demonstrating their behaviour with reagents, is enabled to devise for himself methods for the separation and individual detection of the different members of the group before him. We JOHN CHURCHILL AND SONS, New Burlington Street. 774 cannot but greatly admire this plan of teaching chemical analysis, which, whilst it calls into exercise the powers of observation, at the same time appeals to the judgment and reasoning faculties of the experimenter. The adoption of methods of study like this cannot fail still further to increase the value of the natural sciences as instruments of intellectual discipline. We can confidently recommend Mr. Galloway's work as a valuable textbook, both to the regular laboratory student, and to the beginner who has not the advantage of professional instruction."-Philosophical Magazine. "This is really a valuable little book. We have not for a long time met with an introductory manual which so completely fulfils its intention. The author before us has clearly ascertained all the obstacles lying in the way of the progress of the chemical student, and has used much judgment in his endeavours to obviate them."-Athenæum. "For the benefit of those of our readers who have never met with Mr. Galloway's manual, we will briefly describe the plan upon which it is based -a plan of which many years of practical experience has proved the success. On this point we can ourselves speak positively, having had an opportunity of watching the working of Mr. Galloway's system among a large class of students, many of whom became, solely by its aid and their own industry, really excellent analysts. In conclusion, we wish Mr. Galloway much success in his valuable undertaking, and, in thanking him for giving to the student the best introduction to qualitative analysis with which we are acquainted, would express our opinion that it should be placed in the hands of every beginner, and be the class-book in every chemical school and laboratory of instruction."-Dublin Medical Press. "With a few trifling exceptions, such as those we have noticed, the book is a thoroughly good Manual of Analysis, and can be mastered in a short time. It is highly appreciated in several large schools, and is found of very great use by medical students."-Chemical News. "The author of this little treatise has wisely begun with the alphabet of his science, and his explanation of terms, and his illustrations of simple phenomena, are very happily given. We cordially recommend this Manual to every person desirous of making himself acquainted with the powers of chemistry."-Literary Gazette. "We see, in these modifications of the usual process of analysis, as well as in the Manual in which they are described, much to commend them to favourable consideration.”—Pharmaceutical Journal. "The Manual of Qualitative Analysis, by Professor Robert Galloway, of Dublin, is, we believe, the work best calculated to meet the wants of praetical men, its very great recommendation being that it teaches the student to exercise his judgment rather than his memory, and thus to obtain sound practical knowledge, instead of being compelled to rely upon superficial ideas, so unassociated with each other as to be useless, except to the special case for which they were learned. As an elementary work, the Manual of Analysis is one of the best we have seen, the mode of tabulation being simple, ingenious, and well calculated to assist the memory, whilst no information is given beyond that which the student will constantly find it necessary to refer to in developing that judgment which the other portions of the work teach him how to exercise."-Mining Journal. "Mr. Galloway's book is a very good manual for the student of analytical chemistry, in which the author has pointed out and explained all those little difficulties which are so puzzling to the beginner, and has substituted a very simple scheme of analysis for the complex and cumbrous systems employed in some of the other treatises on qualitative analysis. There are some points on which greater fulness would probably have been advantageous; these, however, may easily be extended in a future edition The work, however, is a valuable addition to the treatises on the subject we already possess, and seems likely to find its way into our laboratories as a student's text-book." -Monthly Journal of Medical Science. JOHN CHURCHILL AND SONS, New Burlington Street. |