Intelligence and Miscellaneous Articles. 315 



introduction to mineralogy and geology, with the history and lite- 

 rature of the sciences in systematical arrangement. In reference 

 to the crystallography, Dr. Hartmann pursues the methods of Pro- 

 fessor Mohs and of Professor Weiss. This work merits the par- 

 ticular notice of all mineralogists, and also travellers, because the 

 size of the book is not great, and the type very small. A German, 

 an English, a French, and an Italian index facilitate the use of the 

 book, and 312 figures illustrate the forms of the crystals. 



3. Dr. Hartmann has also published Vorlesungen icber Minera- 

 logie, fyc, — (Lectures on Mineralogy, particularly for Schools,) &c. 

 Ilmenau, by Voigt, 8vo. This elementary treatise is strongly re- 

 commended to young men who study the natural history of mine- 

 rals, and to lecturers in schools. As in the elementary introduction 

 of Mr. Phillips, the crystalline forms of minerals are illustrated with 

 wood-cuts printed along with the text. 



SCIENTIFIC BOOKS. 



Just published. 



No. I. of Zoological Researches and Illustrations; or Natural 

 History of Nondescript or imperfectly known animals, in a series of 

 Memoirs : illustrated by numerous figures. By John V. Thomp- 

 son, Esq., F.L.S., Surgeon to the Forces; author of A memoir on 

 Pentacrinus Europceus. 



This first Number contains the following memoirs: 1. On the 

 metamorphoses of the Crustacea, and on the animals forming the 

 genus Zoea, exposing their singular structure, and demonstrating 

 that they are not, as has been supposed, a peculiar genus, but the 

 larvae of Crustacea : with two Plates. 2. On the genus Mysis, or 

 Opossum Shrimp ; also with two Plates. 



The author of this novel contribution to the stores of zoological 

 science, has we understand devoted much time and exertion to the 

 collection and preparation of materials for the work. They are 

 wholly original, and the results of observation on animals of every 

 class, but more especially on the marine Invertebrata, in both he- 

 mispheres of the world. 



No. II. will be published in January ; and the succeeding Num- 

 bers at intervals of three or four months. 



Elements of Algebra. By Robert Wallace, A.M., late Ander- 

 sonian Professor of Mathematics, Glasgow. 



A Circular, explanatory of Skene's patent as applicable to steam - 

 navigation, and undershot water-mills. 



No. II., for the year 1829, of the " Enigmatical Entertainer and 

 Mathematical Associate." 



In the Press. 

 An American reprint of Mr. Bakewell's new and enlarged edition 

 of his " Introduction to Geology" is announced, under the super- 

 intendence of Professor Silliman. 



A second edition, considerably enlarged, of Mr. De la Beche's 

 Tabular and Proportional View of the Tertiary and Secondary Rocks. 



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