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Hanson (Richard Davies). Science and Theology. (Tract.) 
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Hansteen (Christopher). Untersuchungen tiber den Magnetismus der 
Erde. Uebersetzt von P. Treschow Hanson. Theil I. 
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——. Om det rette Aar og Dagen, da Slaget ved Stikklestad blev holdt. 
(Tract.) 8vo. Christiania, 1832-38. 
——. Om Merkurs gang foran Solens skive. (Tract.) 
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Hanstein (Johann). Christian Gottfried Ehrenberg. Ein Tagwerk auf 
dem Felde der Naturforschung des neunzehnten Jahrhunderts. 
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Hantken (Maximilian von). Geologie Ungarns in allgemeinen Umrissen. 
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Hardman (Edward T.). On Hullite; a hitherto undescribed mineral ; 
a Hydrous Silicate of peculiar composition, from Carnmoney Hill, 
co. Antrim. With Notes on the Microscopical Appearances, by EH. 
Hull. (Tract.) Syo. Dublin, 1878. 
——. See Huru (Edward). 
Hardy (—). See Anon. (Mining). 
Hare (Robert). Of the Conclusion arrived at by a Committee of the 
Academy of Sciences of France, agreeably to which Tornados are 
caused by Heat; while, agreeably to Peltier’s Report to the same 
body, certain insurers had been obliged to pay for a Tornado as an 
Electrical Storm, etc. 2nd edition. (Tract.) 
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Hare (Thomas). Observations on Basalt, with eight illustrative drawings. 
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Hargraves (Edward Hammond). Australia and its gold-fields. 
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——. HE. H. H. and the 25th Anniversary of the Gold Discovery. 
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——. See Reports, Cotontat. New South Wales. , 
Harkness (Robert). On Professor Agassiz’s glacial theory. (Tract.) 
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——. On the Climate of the Coal Epoch. (Tract.) 
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—. OnCoal. The nature of the plants forming coal; the changes 
produced by chemical action and compression ; associated mineral 
matter; origin of coal. (Tract.) 8vo. Edinburgh, 1854. 
——. On Mineral Charcoal. (Tract.) Svo. Edinburgh, 1855. 
——. Ona Deposit containing sub-fossil Diatomaceze in Dumfriesshire. 
(Tract.) 8vo. Edinburgh, 1855. 
——. Onthe Annelid-tracks in the Equivalents of the Millstone-grits in 
the South-west of the county of Clare. (Tract.) 
8vo. Edinburgh, 1855. 
——. On the Geology of the Dingle Promontory. (Tract.) 2 copies. 
8vo. Edinburgh, 1855. 
