568 



GENERAL SCIENCE. 



Johnson, Thomas. A new discovery whereby Longitude at Free Sea 

 is ascertained. 8°. Paisley, 1835. 



Johnson, Walter B. A Report to the Navy Department of the United 

 States on American Coals applicable to Steam Navigation and to 

 other purposes. 8°. Washington, 1844. 



Johnston, Alexander Keith. The Physical Atlas : a series of maps and 

 notes illustrating the geographical distribution of natural phe- 

 nomena ; based on the Physikalischer Atlas of H. Berghaus. 



Folio. Edinburgh, 1848. 



New and enlarged edition. Polio. Edinburgh, 1856. 



Johnston, Charles. Travels in Southern Abyssinia, through the 

 country of Adal to the kingdom of Shoa. 



2 vols. 8°. London, 1844. 



J ohnston, George. A Flora of Berwick-upon-Tweed. 



2 vols, in 1. 12°. Edinburgh, 1829-31. 



A History of the British Zoophytes. Second edition. 



2 vols. 8°. London, 1847. 



Johnston, James. On Quarantine. See Blane and Johnston. 



Johnston, James F. W. [Account of the] Meeting of the Cultivators 

 of Natural Science and Medicine at Hamburgh in September 

 1830. 8°. Edinburgh, 1831. 



Chemical Tables, exhibiting the present state of our knowledge 



in regard to the chemical and physical properties of simple and 

 compound bodies. Part 1. 4°. Edinburgh, 1836. 



On Paracyanogen and the Paracyanic Acid. 



4°. Edinburgh, 1837. 



On the present State of our Knowledge in regard to Dimorphous 



Bodies. 8°. London, 1838. 



The Economy of a Coal-Field, an exposition of the objects of 



the Geological and Polytechnic Society of the West Riding of 

 Yorkshire. 8°. Durham, 1838. 



Lectures on Agricultural Chemistry and Geology. 



8°. Edinburgh, 1841. 



Elements of Agricultural Chemistry and Geology. 



12°. Edinburgh, 1842. 



Third edition. 12°. Edinburgh, 1844. 



Contributions to Scientific Agriculture. 8°. Edinburgh, 1849. 



The Chemistry of Common Life. 



2 vols. 12°. Edinburgh, 1855. 

 Johnstone, Ed. Dissertatio Medica Inauguralis de Febre puerperali. 



8°. Edinburgh 1779. 



Johnstone, James. Tentamen Med. Inaug. de Aeris Factitii imperio 

 in primis Corporis Humani viis. 4°. Edinburgi, 1750. 



An Essay on the Use of the Ganglions of the Nerves. 



8°. Shrewsbury, 1771. 



Medical Essays and Observations, with disquisitions relating to 



