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(Tract.) 8vo. Madrid, 1850. 
Madrid, Revista Minera: periddico cientifico é industrial. Vol. I. 
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Manchester. Literary and Philosophical Society. 
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1862 etc. 8vo. Manchester, 1805 ete. 
Proceedings. Vols. I. etc. (No. 6, 1862-63, in duplicate.) 
| 8vo. Manchester, 1860 ete. 
See LipRARIES, CATALOGUES OF. 
Manchester. Manchester Geological Society. 
Transactions. Vols. I. ete. 
See LIBRARIES, CATALOGUES OF. 
8vo. London and Manchester, 1841 ete. 
Manchester. Mechanics’ Institution. 
Reports of the Directors, and proceedings at the Anniversary Meet- 
ing, February 1835 and 1836. (Tract.) - 
Svo. Manchester, 1835. 
[See also BroveHam (Lord). | 
See LIBRARIES, CATALOGUES OF. 
Manchester. Natural-History Society. 
Catalogue of Foreign Shells, arranged according to the system of 
Lamarck. (Tract.) 8vo. Manchester, 1837. 
Mannheim. Academia Electoralis Scientiarum et Elegantium Literarum 
Theodoro-Palatina. 
Acta historica et physica. Vols. I-VI. 
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Mannheim. Kurpfilzische pha pikaliachaieoraaceea Gesellschaft. 
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Marlborough. tanlpsuotal College Natural-History Society. 
Report, 1866. 8vo. Marlborough, 1867. 
Mauritius. Royal Society of Arts and Sciences. 
Transactions. Vol. I. Svo. Mauritius, 1847-49. 
Mauritius. Société d'Histoire naturelle. 
Extraits des Procés-verbaux. 1832. (‘Tracts.) 
8vo. Mauritius, 1832. 
é ge (VII.) annuel sur les travaux de la Société... Par M. Julien 
esjardins. (Tract.) Svo. Mauritius, 1836. 
Melbourne. Philosophical Society of Victoria. 
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Melbourne. Royal Society of Victoria. 
Progress Reports, and Final Report of the Committee of the Royal 
Society. Svo. Melbourne, 1863. 
Mexico. Sociedad Mexicana de Historia natural. 
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. de 1875. Ato. Mexico, 1875. 
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Ato. Mexico, 1874-75. 

