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ar portion of this work, while in manuscript, was examined in parts by the several gentlemen, whose opinions are expressed below.

A letter from Denison Olmsted, LL.D., Professor of Natural Philosophy and Astronomy in Yale College, to the author.


I have perused the part of your manuscript of your contemplated work on Meteorology, which you were so kind as to send me (embracing Parts I., II. and III.), and am much pleased with the manner in which you have treated these subjects; the selection of topics being in my view judicious, and the style luminous, and well adapted to readers of every age, whether learned or unlearned.

I should rejoice to see such a school-book as I think yours will be, introduced into all our schools and academies. No natural science is more instructive, more attractive, and more practically useful than Meteorology, treated as you have treated it, where the philosophical explanations of the various phenomena of the atmosphere are founder, upon an extensive induction of facts. This science is more particularly interesting to the young, because it explains so many things that are daily occurring around them, and it thus inspires a taste for philosophical observation, and what is more, for philosophical reasoning. If every part of the book is as well executed as that which I have read, I think it cannot fail to be received as a valuable addition to our list of text-books.

From Benjamin Silliman, M.D., LL.D., Professor of Chemistry, Pharmacy, &c., in Yale College.

I have with pleasure perused those parts of Prof. Brocklesby's MSS. on Meteorology, which have been sent to me, and am much pleased with his judicious selection and combination of the facts and philosophy of this subject. His style is perspicuous and attractive, and 1 doubt not that this small volume will be both useful to the learner, and acceptable to the adept, in the still progressive science of Meteorolegy.

From the Rev. T. H. Gallaudet and the Rev. Horace Hooker, Authors of the Practical Spelling-book, and of the Family and School Dictionary.

Having examined, each of us, separate portions of Professor Brocklesby's work on Meteorology, and become acquainted with its general design and plan, it appears to us worthy of being introduced into our higher schools and academies. The subject is one in which every intelligent mind should take an interest. It is of practical utility to all portions of the community, while most of the natural phenomena it presents are within the range of common observation. The style and execution of the work are most happily adapted to the use for which it was designed.

From the Rev. Charles A. Goodrich, Author of the History of the Uni ted States, Family Encyclopedia, &c.

I have examined portions of Prof. Brocklesby's work on Meteorology with pleasure and profit. The subject is one of great interest, arising from the many curious atmospheric phenomena of which it treats. The plan is simple and comprehensive; the style clear and concise. The pupil is furnished with the means of explaining for himself many of the phenomena of nature of almost daily occurrence; but which, without some aid, he might either overlook or not understand. That the study of the work will contribute to enlarge the conceptions of the youthful mind of the wisdom and goodness of the Author of nature, and thus prove an incentive to reverence and love Him, must be obvious, it is believed, to every intelligent reader.

Extract of a letter to the Publishers from Dr. J. L. Comstock, Author of a System of Natural Philosophy, Introduction to Mineralogy, Elements of Chemistry, Introduction to Botany, Outlines of Geology, Outlines of Physiology, &c.

Prof. Brocklesby, of Trinity College, has submitted to my perusal a Treatise on Meteorology, written by himself, and with the arrangement and science of which I am much pleased. The Professor wishes to have his treatise published as a school-book, and considering the interest which the several subjects it embraces excites in the minds of all, both old and young, rich and poor, I see not why such a book, when once introduced, should not have a large circulation. I see no reason why Meteorology, in many respects, has not as many claims as a school-book as Chemistry or Natural Philosophy. Indeed, I should like to see Prof. B.'s book introduced into schools as a com panion of my Philosophy.







Professor of Mathematics and Natural Philosophy in Trinity College, Hartford.

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