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INSTRUCTION FOR THE DETERMINATION OF 

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ANNALS OF MATHEMATICS. Edited by Ormond Stone 

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GEOLOGY. CHEMICAL, PHYSICAL. AND STRATI- 

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 Correspondent of the Institute of France, Professor of geology 

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ALLGEMEINEP HISTORISCHER HAND ATLAS in 69 

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MANUAL OF THE BOTANY OF THE ROCKY 

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PHYSIOLOGICAL BOTANY: I. Outlines of the Histology 

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STRUCTURAL BOTANY ; or, Organography on the basis 

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LIPPINCOTT'S BIOGRAPHICAL DICTIONARY. A 

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ELEMENTARY BIOGRAPHICAL HISTORY OF SCI- 

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ENCYCLOPAEDIA OF CHEMISTRY. Theoretical, prac 

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HOURS WITH THE BIBLE, or the Scriptures in the Light 

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INSECTS INJURIOUS TO FRUITS. By Prof. William 

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OUTLINES OF UNIVERSAL HISTORY : From earliest 

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SCRIBNER'S STATISTICAL ATLAS OF THE UNITED 

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THE BUTTERFLIES OF THE EASTERN UNITED 

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Advertised Books of Reference.— Continued. 



WILSON. — AMERICAN ORNITHOLOGY ; or, The 

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POLITICAL SCIENCE. 



THE THEORY OF THE STATE. By J. H. Bluntschh, 

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Annales de Chimie et de Physique. Serie I-IV. Vol. 1-6 and 

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Annales des Ponts et Chausees. Complete. From the com- 

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Berichte d. Deutsch. chemischen Gesellschaft. Vol. I-XVII. 

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Berichte d. Deutsch. chemischen Gesellschaft. Vol. I-XVII. 

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Centralblatt, botanisches. Year I-V. Cassel, 1880-84. In 

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Centralblatt fur Electrotechnik. Year I-VI. 1879-84. Mo- 

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Chemical News. Vol. 1^6. 4 London, 1860-1882. Newly 

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Engineer, The. Vol. 1-38. London, 1856-1874. 19 volumes, 

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Journal fur Ornithologie. Vol. 1-17. Cassel, 1853-69. $35. 



Journal of the Society of Telegraph Engineers. No. 1-52, 

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Lumiere, la, electrique. Vol. 1-14. Paris, 1879-85. $78. 



Nature. The. 32 volumes. London, 1869-1885. Bound. $60. 



Proceedings of the institution of Mechanical Engineers. From 

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Proceedings of the Physical Society. 4 Vol. I-VII., i.e. London, 

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Proceedings of the Royal Society of London. Vol. 1-32. From 

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Proceedings of the Royal Society of London. Vol. 1-35. 

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Repertorium fur experimental, physik. Complete. Munchen, 

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Reports of the British Association for the advancement of 

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Transactions, philosophical, of the Royal Society of London : 

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Zeitschrift fiir analytische Chemie von Fresenius. Year 1-23 

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Zeitung, Berg und Huttenmannische. Von Kerl und Wimmer. 

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SCIENTIFIC LIBRARY FOR SALE. 



One of the largest and most complete libraries in the west, in 

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GERMAN SIMPLIFIED. 



An eminently practical new method for learning the German lan- 

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