188 SCHOOL OP MINES LIBRARY. 



Oesterreichisclies Montan Handbuch, 172 



Oesterreichisclies Zeitschrift fiir Berg-und Huettenwesen, 172 



Official Gazette of the United States Patent Office, 178 



OHIO STATE BOARD OF AGRICULTURE, 181 



PAL.EONTOGRAPHICAL SOCIETY, LONDON, 141, 154 



Patent Office Reports, &c. See BRITISH PATENT OFFICE, 181 ; also, ' 



UNITED STATES PATENT OFFICE, 178 



Pharrnaceutisclies Central-Blatt, 172 



Philosophical Magazine ; also, Philosophical Magazine and Journal of Sci- 

 ence. See London, Dublin and Edinburgh Philosophical Magazine 



and Journal of Science, 169 



Poggendorff's Annalen, ( Annalen der Physik und Chemie,) 159 



Polytechnisches Central-Blatt, 172 



Polytechnisches Journal, 173 



- Polytechnisches Notiz-Blatt, 173 



Popular Science Monthly, 173 



Proceedings and Transactions Institute of Natural Science of Halifax, 



Nova Scotia, 154 



Proceedings of the Academy of Natural Science, Philadelphia, 147 



Proceedings of the Annual Meetings of the Board of Supervising Inspect- 

 ors of Steam Vessels, 177 



Proceedings of the Essex Institute, 151 



Proceedings of the Lyceum of Natural History, 153 



Proceedings of the American Association for the Advancement of Science, 148 

 Public Health Report and Papers, (AMERICAN PUBLIC HEALTH 



ASSOCIATION,) 149 



Quarterly Journal of Science, (The,) 173 



Quarterly Journal of the Chemical Society, (The,) 150 



Quarterly Journal of the Geological Society, London, (The,) 151 



Quarterly Weather Report of the Meteorological Office, London, (The,).. . . 181 



Railway World, (The,) 172 



REALE ACCADEMIA DELLE SCIENZE E BELLES LETTERE3, 



NAPOLI, 155 



Regents' Report of the University of the State of New- York. See UNI- 

 VERSITY OF THE STATE OF NEW- YORK, 156 



Rendiconto delle Adunanze e De' Lavori della Reale Academia delle 



Scienze, 155 



Repertorium Commentationum, .' 173 



Repertorium der technischen, Mathematischen und naturwissenschaftli- 



chen Journal Literatur, 174 



Revue de Geologic, 174 



Revue des Cours Scientifiques, 174 



Revue Hebdomadaire de Chimie, 174 



Revue Scientifique, (Revue des Cours Scientifiques,) 174 



Revue Universelle des Mines, de la Metallurgie, &c. , 174 



Report of the British Association for the Advancement of Science, 149 



Report of the Chief of Engineers, Washington, 177 



Report of the Chief Signal Officer of the U. S. Signal Office, 178 



Report of the Commissioner of Internal Revenue, Washington, D. C.,. .... 177 



Report of the Commissioner of Education, Washington, D. C., 177 



