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Presents. 
HAIDINGER (W. von, For. Mem. R.S.) Remarks on the Luminous, Thermal, 
and Acoustic Phenomena attending the fall of Meteorites. 8vo. London 
1869. 
■ Licht, Warme und Schall bei Mete- 
oritenfallen. 8vo. Wien 1868. 
HALL (T. M.) The Mineralogist’s Directory : or a Guide to the principal Mi- 
neral localities in the United Kingdom of Great Britain and Ireland. 8vo. 
London 1868. 
HANSEN (P. A., For. Mem. R.S.) Theorie der Eingrrffe gezahnter Rader in 
einander. 8vo. Leipzig 1866. 
•— Tafeln der Egeria. 8vo. Leipzig 1867. 
■ Yon der Methode derkleinsten Quadrate im 
Allgemeinen und in ihrer Anwendung auf die Geodasie. 8vo. Leipzig 
1867. 
— Fortgesetzte geodatische Untersuchungen. 
8vo. Leipzig 1868. 
Gegenbericht an die permanente Commission 
der Europaischen Gradmessung. 4to. Gotha 1868. 
HENWOOD (W. J., F.R.S.) Address delivered at the Spring Meeting of the 
Royal Institution of Cornwall on the 18th of May, 1869. 8vo. Penzance 
1869. 
HERSCHEL (Sir J. W., F.R.S.) On Musical Scales. 8vo. London 1868. 
HILDEBRAND (F.) Mykologische Beitrage. 8vo. Bonn 1867. 
HOGG (Jabez) The Lingual Membrane of Mollusca, and its value in Classifica- 
tion. 8vo. London 1868. 
Life and Death in our Mines. 8vo. London 1866. 
HOGG (John, F.R.S.) On a Profane Stylograph of the Crucifixion at Rome. 8vo. 
London 1866. 
HORNE (C.) A Collection of Archaeological Papers extracted from the Journal 
of the Asiatic Society of Bengal. 8vo. Calcutta 1865-67. 
HOWARD (J. E.) The Quinology of the East-Indian Plantations, fol. London 
1869. 
HULL (E., F.R.S.) On the Causes which seem to have regulated the relative 
distribution of Calcareous and Sedimentary Strata of Great Britain. 8vo. 
Glasgoiv. 
On the Thickness of the Carboniferous Rocks of the Pendle 
Range of Hills, Lancashire. 8vo. London 1868. 
HUNTER (W. W.) A Comparative Dictionary of the Languages of India and 
High Asia, with a Dissertation. 4to. London 1868. 
JAMES (Sir H., F.R.S.) Facsimiles of National Manuscripts from William the 
Conqueror to Queen Anne. Part 4. fol. Southampton 1868. 
JENCKEN (J. F.) Treatises on Light, Colour, Electricity, and Magnetism, 
translated and prefaced by historical and Critical Essays by H. D. Jencken. 
8vo. London 1869. 
JENKIN (F., F.R.S.) A Lecture on the Education of Civil and Mechanical 
Engineers in Great Britain and Abroad. 8vo. Edinburgh 1868. 
JERWOOD (J.) On the Longitude of Places, and on the Application of the Elec- 
tric Telegraph to determine it. 8vo. 1867. 
Donors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
C. Darwin, F.R.S. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Secretary of State for 
War. 
The Editor. 
The Author. 
The Author. 
