INDEX TO PERIODICAL PUBLICATIONS. 185 



Bulletin de la Societe Industrielle de Mulhouse, 156 



Bulletin des Sciences Naturelles et de Geologic, 162 



Bulletin du Musee de L Industrie de Belgique, 153 



Bulletin Mensuel de la Societe Cliiinique de Paris, 155 



Bulletin of the American Iron and Steel Association, 148 



Bulletin of the Essex Institute, 151 



Bulletin of the National Association of Wool Manufacturers, 154 



Canadian Naturalist and Geologist, (The,) 162 



Carnall s Zeitschrift, 163 



Catalogue Annuel de la Librairie Francaise, 163 



Chemical Gazette, (The,) 163 



Chemical News, (The,) 163 



CHEMICAL SOCIETY, LONDON, 150 



Chemisch-Technischen Mittheilungen, 163 



Chemisch Central Blatt,. 163 



CHIEF OF ENGINEERS, (THE,) 177 



Colliery Guardian, (The,) 163 



COMMISSIONER OF EDUCATION, (THE,) 177 



COMMISSIONER OF INTERNAL REVENUE, (THE,) 177 



COMMISSIONER OF THE LAND OFFICE, (THE,) 177 



Commissioner of Patents Journal. See BRITISH PATENT OFFICE,. . . 181 

 Comptes Rendus des Seances de L Academie des Sciences. See INSTITUT 



DE FRANCE, 152 



CONNECTICUT BOARD OF AGRICULTURE, HARTFORD, 180 



CONSERVATOIRE IMPERIAL DES ARTS ET METIERS, PARIS,.. 150 



Cosmos, Revue Encyclopedique, &c., * 163 



CROTON AQUEDUCT DEPARTMENT, (THE,) 180 



DEPARTMENT OF AGRICULTURE, (THE,) 178 



Der Berg Geist Zeitung, 163 



Der Bergwerks Betrieb, 164 



Der Bergwerksfreund, 163 



DEUTSCHEN CHEMISCHEN GESELLSCHAFT, BERLIN, 150 



DEUTSCHEN GEOLOGISCHEN GESELLSCHAFT, BERLIN, 151 



Die Baulichen Anlagen, &c, 164 



Die Fortschritte der Physik, 164 



Die Gewerbehalle, 164 



Dingler s Polyteclmisches Journal. See Polytechnisches Journal, 173 



DUDLEY OBSERVATORY, ALBANY, (THE,) 151 



EDINBURGH GEOLOGICAL SOCIETY, (THE,) 151 



Edinburgh Philosophical Journal, (The,) 164 



Edinburgh Philosophical Magazine. See London, Dublin and Edinburgh 



Philosophical Magazine and Journal of Science, 170 



Eisner s Mittheilungen, (Chemisch-Technischen Mittheilungen,) 163 



Emporium of Arts and Sciences, (The,) 164 



Engineering, London, 164 



Engineering and Mining Journal, (The,) New- York, 165 



Erdman s Journal, (Journal fur Praktische Chemie,) 168 



Erfahrungen im berg und huttenmannischen Maschinen-bau, &c., 165 



ESSEX INSTITUTE, SALEM, MASS., 151 



Farber Zeitung, 165 



