Every Thursday, 2mce Ad.; Monthly Parts, Is. 4cZ. and Is. 8c?. 

 Subscriptions Annual, 18s. Qd.; Half-yearly, 9s. M.; Quarterly, 5s. 



NATURE. 



A WEEKLY ILLUSTRATED JOURNAL OF SCIEXCE. 



Vols. I.-III., Price 10s. 6d. each. 



LIST OF CONTRIBUTORS. 



Abel, F.A., F.R.S., H.M. Chem. Dep.,WooI- 

 \vi(.'h. 



Agassiz, Prof. L., Museum of Comparative 

 Zoology, Harvard Collei,'e. 



Andrews, Prof. T.. F.R.S., Queen's Univ., 

 Duldin. 



Bastian. Prof. H. C, F.R.S., University 

 College. 



Beale, Prof. Lionel S., F.R.S., King's Col- 

 lege. 



Berthelot, Prof. , College de France, Paris. 



Brodie, Prof. Sir C, Bart., F.R.S., Oxford. 



Brown, Prof. A., Crum, Edinburgh Uni- 

 versity. 



Brush, Prof. G. I., Sheffield Scientific School, 

 Yale College. 



Busk, Prof. G.,F.R.S. 



Clifton, Prof. R. B., Oxford. 



Cooke, Prof J. P., jun. , Cambridge, U.S.A. 



Dana, Prof. J. D., Newhaveu, Conn., U.S.A. 



Darwin, C , F R S. 



Dumas, J. B., Sec. Imperial Acad, of 

 Sciences, Pari.s. 



Farrar, Rev. F. W., F R.S., Harrow SchooL 



Fehling, Prof. Stuttgart. 



Fernet, Prof. E., Paris. 



Flower, Prof. AY. H., F.R.S., Royal College 

 of Surgeons. 



Foster, Prof. Michael, Royal Institution. 



Foster, Prof. G. Carey, F.R.S., University 

 College. 



Frankland, Prof. E., F.R.S., Royal College 

 of Chem. 



Galloway, Prof. R., College of Science, 

 Dublin. 



Galton, Douglas, F.R.S. 



Geikie, A., F.R S., Geological Survey of 

 Scotland. 



Grant, Prof. R, F.R.S., Direc. Glasgow 



Observatorj'. 

 Hauer, H. Franz von, Director Geological 

 Institute, Yienna. 



Haughton. Rev. Prof S., F.R.S. 



Hirst, Prof. F.R.S., Gen. Sec. Bi-itish Asso- 

 ciation. 

 Hooker, Dr. J. D.. F.R.S., Director Royal 



Gardens, Kew. 

 Humphry, Pmf.. F.R.S., Cambridge. 



Huxley, Prof. T. H., F.R.S , President Geo- 

 logical Society. 



Jack, Prof , Owens College, Manchester. 



Jenkin, Prof. H. C. Fleeming, F.R.S., 

 Edinburgh University. 



Jevons. Prof. W. S., Owens College, Man- 

 chester. 



Johnson. Prof. S. "W., Sheffield Scientific 

 School, Yale College. 



Jones, Dr. H. Bence, F.R.S., Secretary 

 Royal Institution. 



Kingsley, Rev. Canon. 



Lankester, Dr. E., F.R.S. 



Liveing, Prof. G. D., F.C.S.. Cambridge. 



Lubbock, Sir John, Bart., F.R.S. 



Magnus, Prof., Berlin. 



Main, P. T., Cambridge University. 



Marschall, Count A. G. , Yienna. 



Maskelyne, N. S.. British Museum. 



Matthieson, Prof. A., F.R S., St. Bartho- 

 lomew's Hospital. 



Murchison, Sir Roderic I., Bart., F.R.S., 

 President Geographical Society ; Director 

 Geological Survey. 



Newton, Prof Alfred, F.L.S., Cambridge. 



Odling, Prof., F.R.S., Royal Instittition. 



Oliver, Prof. D., F.R.S., Royal Gardens, 

 Kew. 



PhUlips, Prof. J., F.R.S., Oxford. 



Quetelet, Dr. A., Secretary Royal Academy 

 of Sciences, Brussels. 



Ramsay, Prof. A. C, F.R.S., Geological 

 Survey. 



RoUeston, Prof. G., F.R S., Oxford. 



Roscoe, Prof H. E., F.R.S., Owens College, 

 Manchester. 



Stewart, Balfour, F.R.S., Director Kew Ob- 

 serv'atorv. 



Sylvester, Prof. J. J., F.R.S. 



Tait, Prof. P. G., Edinburgli University. 



Thomson. Prof. Sir W., F.R.S. 



Tyndall, Prof. J., F.R.S., Royal Institution. 



Wallace, A. R., F.R.G.S. 



Williamson, Prof. A., F.R.S., President 

 Chem. S(jciety. 



Wohler, Prof., Secretary K. Soc. der Wis- 

 senschaften, Gottiugen. 



MACMILLAX & CO., 16, BcdfoiJ Street, Covent Garden, London, W.C. 



