252 



HEE 



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Besclireibung des uralischen Erzgebiirges. 2 vols. 



8vo. Berlin and Stettin, 1789. 

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3 vols, and plates. 4to. 1797-1801. 



. Die Wichtigkeit des russischen Bergbaues. (Tract.) 



4to. St. Petersburg, 1810. 

 . Ueber die Bewegung der Bevolkerung im Kdnigreiche Bayern. 



(Tract.) ^ 4to. Munich, 1853. 



• ■ . Ueber die Gliederung der Bevolkerung des Konigreichs Bayern. 



(Tract.) 4to. Munich, 1855. 

 . Ueber den Anbau und Ertrag des Bodens im Konigreiche Bayern. 



I. Abtheilung. (Tract.) 4to. Munich, 1857. 



Hermann (Gottfried). See Elugel (J. G.). 



Hermann (Eudolph). Untersuchungen einiger russischer Mineralien. 



(Tract.) 8vo. Leipzig, 1844. 



Hermelin (S. G.). Lappmarken och Yesterbotten. See Wahlenberg 



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Hernandez (James). A Philosophical and Practical Essay on the Gold 

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8vo. London, 1755. 



Heron de Villefosse (Antoine Marie). De la Eichesse minerale. Con- 

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. . Eapport fait an jury central de I'exposition des produits de I'in- 



dustrie fran9aise, de I'annee 1823, sur les objets relatifs a la metal- 

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Herrgen (Christiano). See Widenmai^^n (Johann Eriedrich Wilhelm). 



Herrmannsen (A. N.). Indicis generum Malacozoorum primordia. 

 2 vols. 8vo. Cassel, 1846-49. 



. . Supplementa et corrigenda. 8vo. Cassel, 1852. 



Herschel (A. S.) and Lebour (G. A.). Notes on some Experiments on 

 the Conducting-powers for Heat of certain Eocks, with Eemarks on 

 the Geological Aspects of the Im^estigation. (Tract.) 



8vo. London, 1876. 



Herschel {Sir John Frederick "William). Obituary Notice. See Quete- 

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. Sir John Herschel. An Eloge read at the Anniversary Meeting 



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8vo. London, 1872. 



. Micrometrical Measures of 364 Double Stars, with a seven-feet 



equatorial achromatic telescope, taken at Slough in the years 1828, 

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. Astronomy. (From Lardner's ' Cabinet Cyclopaedia.') 



8vo. London, 1833. 



. On the Absorption of Light by Coloured Media, viewed in 



connexion with the Undulatory Theory. (Tract.) 



8vo. London, 1833. 



. Memoir of Francis Baily, Esq. (Tract.) 8vo. London, 1845. 



. Eesults of Astronomical observations made during the years 



1834-5-6-7-8 at the Cape of Good Hope. 4to. London, i847. 



