xxxu 



REPORT — 1866. 



SECTION G. ILECHANICAL SCIEN'CE. 



Preshlenf.—Thoinns Ilawkslev, V.P. lust. C.E., F.G.S. 



Vice-Presidents.— Sir W. G.' Armstrono-, C.B., F.R.S. ; J. F. B.xteman, F.R.S. ; 

 William Fairbaim, LL.D., F.R.S. ; Capt. D. Galtou, R.E., C.B., F.R.S. ; Jolin 

 Ilawkshaw, F.R.S. ; James Oldham^ C.E. ; Charles Vignoles, F.R.S. ; J. Whit- 

 worth, F.R.S. 



Secretaries. — P. Le Neve Foster, M.A. ; J. F. Iselin, M.A. 

 M. 0. Tarbottom. 



Professor Pole, F.R.S. ; 



CORRESPONDING JMEMBERS. 



Professor Agassiz, Camhriclge, Massa- 

 chusetts. 



]M. Babinet, Paris. 



Captain Belavenetz, R.I.N., Cronstmlt, 



Dr. ir. D. Buys Ballot, Utrecht. 



Dr. D. Bierens de Haan, Amsterdam. 



Professor Bolzani, Kasan, 



Dr. Bergsma, Utrecht. 



Mr. P. G. Bond, Cambridge, U.S. 



M. Boutig-ny (d'E^Teiix). 



Professor Braschmann, Moscow. 



Dr. Carus, Leipzig. 



M. Des Cloizeaux, Paris. 



Dr. Ferdinand Cohn, Breslau. 



M. Antoine d'Abbadie. 



Geheimi-ath you Dechen. 



M, De la Rive, Geneva. 



Professor Wilhelm Delfls, Heidelberg. 



Professor Dove, Berlin. 



Professor Dumas, Paris. 



Dr. J. Milne-Edwards, Pai-is. 



Professor Ehrenberg, Berlin. 



Dr. Eisenlohr, Carhruhe, 



Dr. A. Erman, Berlin. 



Professor A. Escher von der Linth, 

 Zurich, Switzerland. 



Professor Esmark, Christiania. 



Professor A. Favre, Geneva. 



M. L^on Foucault, Paris. 



Professor E. Fremy, Paris, 



M. Frisiani, Milan. 



M. Gaudry, Paris. 



Dr. Geinitz, Dresden. 



Professor Asa Gray, Cambridge, U.S. 



Professor Grube. 



M. E. Hebert, Paris. 



Professor Henry, Washington, U.S. 



Dr. Hochstetter, Vienna. 



M. Jacobi, St. Petersburg. 



Dr. Janssen, Paris. 



Prof. Jessen, Med. -et Phil. Dr., Griess- 

 loald, Prussia. 



Professor Aug. Kelmle, Ghent, Belgium. 



M. Khanikof, St. Petersburg. 



Professor Kiepert. 



Prof A. Kolliker, Wurzburg. 



Professor De Koninck, Liege. 



Professor Kreil, Vienna. 



Dr. Lamont. 3Iunich. 



M. Le Verrier, Paris. 



Barou von Liebig, Munich. 



Professor Loomis, New York. 



Professor Gustav Magnus, Berlin, 



Professor Matteucci, Pisa. 



Professor P. Meriau, Bale, Switzerland. 



Professor vonMiddendortf,<S'/,Pt'to"s6M>y. 



M. I'Abbe Moigno, Paris. 



Dr. Arnold Moritz, Ti/lis, 



Chevalier C. Negri. 



Herr Neumayer, Munich. 



Professor Nilsson, Sweden. 



M. E. P(51igot, Paris. 



Prof B. Pierce, Cambridge, U.S. 



Gustav Plaar, Slrasburg. 



Professor Pliicker, Bonn. 



M. Constant Provost, Paris. 



M. Quetelet, Brussels. 



Professor W. B. Rogers, Boston, U.S. 



Professor F. Romer. 



Herman Schlagintweit, Berlin. 



Robert Schlagintweit, Berlin. 



M. Werner Siemens, Vienna. 



Dr. Siljestrom, Stockholm. 



Professor J. A. de Souza, University of 



Coimbra. 

 Professor Adolph Steen, Copenhagen. 

 Professor Steeustrup. 

 Dr. Svanberg, Stockholm. 

 M. Pierre Tchihatchef. 

 Dr. Otto Torell, University of Liaid. 

 Dr. Van der Hoeven, Leyden, 

 M. Vambery, Hungary. 

 M. de Yemeuil, Paris. 

 Baron Sartorius von Waltershausen, 



GiMingen. 

 Professor Wartmann, Geneva. 

 Dr. Welwitsch. 



