ys New Scienlific Books. [Jan. 



in their application to topographical and nautical surveying, the 

 mensuration of terrestrial and celestial angles, and the direct dis- 

 tances of inaccessible objects at one station by sea or land, without 

 the usual modes of calculation ; also the natural sine and cosine of 

 such angles are precisely obtained to any eligible radius without 

 tabular or other reference ; also an improved compass, whose index 

 points due north and south, and is capable of adjustment accord- 

 ing to the known or observed variation of the needle. Nov. 25, 

 1813. 



Article XII. 



Scientific Books in hand, or in the Press. 



Lord Glenbervie is preparing for publication a treatise, Practical 

 and Experimental, on the Cultivation of Timber, particularly Oak, 

 for dome^^tic and naval purposes. 



Mr. Salt's Second Voyage to Abyssinia is preparing for publication, 



Mr. T. Baynton, of Bristol, will shortly publish a new and successful 

 Method of treating Diseases of the Spine. 



The Rev. John Toplis, B. D., Fellow of Queen's College, Cambridge, 

 has in the Press a Translation of the Treatise upon Mechanics, 

 which forms the Introduction to tlie Mecbanique Celeste of P. S. La- 

 place. It will be accompanied by copious explanatory notes. 



A New Edition of Key's Treatise on the Management of Bees, in 

 a srhall volume, is nearly ready. 



The second and concluding volume of Langsdorff's Voyages and 

 Travels, containing his journey from Kanischatka to the Aleutian 

 Islands, and the North West Coast of America, and return over land 

 through Siberia to Petcrsburgh, v/ill shortly be published. As will 



likewise, 



The Travels of Julius Von Klaproth in the Caucasus and Georgia^ 

 undertaken by order of the Russian Government. 



The Natm'alist's Miscellany, published by the late Dr. Shaw, is 

 shortly to be continued, under the title of the Zoologist's Micellany, 

 by William Elford Leach, M. D. F. L. S. &c. and R. P. Nodder. 



Mr. Sovverby, No. 2, Mead-place, Lambeth, has announced that, 

 as soon as English Botany and British Mineralogy are finished, he 

 will commence a work, to be written by Dr. Leach, of the British 

 Museum, upon the Malacostraca Britannica, or British Crabs. He 

 supposes the first Number will appear soon after March, before which 

 time En"-lish Botany cannot be finished, on account of tlie difficulty of 

 procuring the few Mosses yet unpublished. "Mr. Sowerby also earnestly 

 requests that mineralogists would send him, for the purpose of figuring, 

 sucii newly discovered Minerals as may not already have appeared in 

 the British Mineralogy. Localities of Fossil Shells for his Mineral 

 Conchology would also be very acceptable. 



*^^* Early Communications Jbr this Department of our Journal tvill 

 he than^fullij received. 



