5 SCIENCE GENERAL. 



502 Humboldt, A. von. Cosmos sketch of a physical 



description of the universe. Trans, from German. 

 5 vols. Lond. 1848-99. 



503 DICTIONARIES. 



503 Stormonth, J. Manual of scientific terms. Edin. 1879. 



ESSAYS. 



504 Avebury, Sir J. Lubbock, Lord. The beauties of 



nature and the wonders of the world we live in. 



Lond. 1892. 



504 Scientific lectures. Lond. 1879. 



504 Helmholtz, H. L. F. Popular lectures on scientific sub- 



jects. 2 ser. Trans, from German. Lond. 1873-81. 



504 Humboldt, A. von. Aspects of nature. Trans, from 



German. 2 vols. Lond. 1849. 



504 Hunter, J. Essays and observations on natural history, 



anatomy, physiology, psychology and geology. 

 2 vols. Lond. 1861. 



504 Kelvin, Sir W. Thomson, Lord. Popular lectures and 



addresses. 3 vols. (Nature series.) Lond. 1889-94. 



504 Rolleston, G. Scientific papers and addresses. 2 vols. 



Oxf. 1884. 



504 Wallace, A. R. Tropical nature, and other essays. 



Lond. 1878. 



505 PERIODICALS. 



505 A. American journal of science. Ser. II., 50 vols. ; ser. 



III., 50 vols. ; ser. IV., vols. 1- New Haven 1846- 

 505 B. Edinburgh journal of science. Ed. D. Brewster. 



10 vols. ; new ser., 6 vols. Edin. 1824-32. 



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