2 



In 2 vols. 12mo. London, Henry G. Bohm, Covent Gardens, 1844. 

 From the Author. 



On increasing the depth of Soils, by C. W. Johnson, Esq. Lon- 

 don, 1840. pp. 72. 



On Dinornis, an extinct genus of tridactyle Struthious birds, with 

 descriptions of portions of the skeletons of six species which for- 

 merly existed in New Zealand. By Prof. Owen, M. D., F. R. S. 

 From the Author. 



Meteorologische Beobachtungen ans dem lehrbezirk der Kaiser- 

 lich Russischen LTniverzitach Kasan. Auf Kosten der LTniversitach 

 Herausgegeben, von Ernest Knob. Heft. 1, 1835-1836. Kasan, 

 1844. 



Magnetical Advertisements, or divers pertinent observations and 

 approved experiments concerning the nature and property of the 

 loadstone, by William Barlowe. A new edition with notes, by Wil- 

 liam Sturgeon, lecturer to the Manchester Institute of Natural and 

 Experimental Science. London, 1844. From the Author. 



A Catechism of Agricultural Chemistry and Geology, by J. F. 

 W. Johnston, M. A. Seventh edition. From the Author. 



Elements of Agricultural Chemistry and Geology, by Prof. John- 

 ston. Edinburgh and London, pp. 280. From the Author. 



Lectures on Agricultural Chemistry and Geology, by Prof John- 

 ston. Edin. and LonH. Oct. 1844. pp. 2027. From the same. 



Description of the Missourium Theristocaulodon, (Koch,) by Al- 

 bert Koch; with a large lithograph. Dublin, 1843. From Author. 



SCIENCE. DOMESTIC. 



The probable Influence of Icebergs upon Drift, by John L. 

 Hayes. Read before the Association of American Geologists and 

 Naturalists, May 4, 1843. Two copies, from the Author. 



European agriculture and rural economy from personal observa- 

 tion, by Henry Colman. Vol. I, Part 1. From the Author. 



Carpenter's Annual Medical Advertiser, Philad. 1844. 



Illinois Medical and Surgical Journal, edited by James V. Z. Bla- 

 ney, M. D. Chicago, 111. 



Boston Journal of Natural History, Vol. IV, No. 4. From the 

 Society. 



Observations on the external character and habits of the Troglo- 

 dytes niger, Geoff., by Thomas S. Savage, M. D. ; and on its organ- 

 ization, by Jeffries Wyman, M. D. Extracted from the Boston 

 Journal of Natural History. From Dr. Savage. 



Description of an African beetle, by Thaddeus William Harris. 

 From Dr. Harris. 



Papers on Practical Engineering, published by the Engineer De- 

 partment for the use of the officers of the United States corps of 

 engineers. 



