Book Notices. 449 



The Smithsonian is also engaged in developing the history of Ameri- 

 can Entomology in a thorough "and systematic manner, the details of 

 -which are given in the Secretary's report. 



Ethnology also receives particuhir attention and a large nnmber of 

 collaborators are engaged in working up this department of knowledge on 

 which indeed the earlier volumes of the Contributions are particularly full. 



The system of meteorological observations inaugurated by the Smith- 

 sonian at the outset of its career is still maintained and the 2d volume of 

 the Observations is nearly ready to be issued. The state of war has seri- 

 ously impaired the receipt of records from the states in rebellion and to 

 a good degree too broken up the system of returns from the military 

 posts of the Pacific coast. 



The magnetic instruments sent to Key West have been constantly 

 observed and the photographic records uninterruptedly kept up in spite 

 of their nearness to the seat of war, at the joint expense of the Smith- 

 sonian and Coast Survey. 



Under the heads of Laboratory, Explorations, Collections of Natural 

 History, Museum, Exchanges, Literary, Gallery of Art, and Lectures, val- 

 uable information is given fur which unfortunately we have not space. 



Since the rendering of the last report two of the Regei 

 the present volume contains eulogies on Prof. C. C. Feltoi 

 of Yale College, who was elected his successor, and also 

 A. Douglass by his successor Hon. Samuel A. Cox, ot the House of J 



The General Appendix contains a number of voluable memoirs, & 

 of them prepared for the Report by their authoi-s, others translated f 

 the French or German. These are preceded by an abstract of the ] 



Lectures.— On the Construction of Bridges, by Prof. F. Rogers. On 

 the Relations of Time and Space, by Prof S. Alexander. On Arctic Ex- 

 plorations, by Dr. L L ILiyes. 



Memoir of Geoffroy Saint Hilaire, by M. Flourens.* 



The Sun : Its Chemical Analysis, by Augnste Laugel. 



Progress of Astronomical Photosrraphy. bj Dr. Lee. 



Small planets between Mars and Jupiter, by Prof. Lespiault.* 



Scintillation of the stars, by C. U. Dufour. 



Synthetical Studies and Experiments on Metamorphism and on the 

 formation of Crystalline Rocks, by M. Daubree ; translated for this Re- 

 port by T. Eggleston. 



Report on 'Nitrification, by Dr. B. F. Craig. 



Notes on the history of Petroleum or rock oil, by T. Sterry Hunt. 



Explosibility of coal oik by Z. Allen. 



.4rrWo^y.— Lacustrian Cities of Switzerland. Fauna of Middle Eu- 

 rope durincr the Stone Age. Report upon the Antiquarian and Ethnolo- 

 gical Collections of the Cantonal Museum at Lausantie. Report to the 

 Commissioners of the Museums of the Canton ot Vaud on the Researches 

 made at Concise. Ancient Mounds at St. Louis, Missouri. Instructions 

 * Translated for this Report by C. A. Alexander. 



