LIST OF CONTRIBUTORS. 



XXXI X 



CECH, Dr. C. V., Berlin, 13. 

 CHEMICAL LABORATORY (Prof, von 



Babo), Freiburg, Breisgau, 6. 

 CHEMICAL LABORATORY, POLY- 

 TECHNIC INSTITUTION, Carlsruhe, 



13. 



CHEMICAL SOCIETY, GERMAN, 13. 

 CHEMICAL WORKS COMPANY 



(UNITED), Leopoldshall, Stassfurt, 



13. 

 COAL MINING Co., UNITED (Director 



Hilt), Kohlscheid, Aix-la-Chavelle, 



16. 



COHN, PROF. DR. F., Breslau, 18. 

 COHN, PROF. DR. H., Breslau, 18. 

 COLLEGIUM CAROLINUM (Prof. 



Weber), Brunswick, 5. 



CONSERVATORIUM OF THE MATHE- 

 MATICAL AND PHYSICAL COLLEC- 

 TIONS OF BAVARIA (Prof. Seidel), 

 Munich) 11. 



DENCKER, C., Hamburg, 3. 



DENNERT AND PAPE, Altona, 15. 



DEPARTMENT FOR PUBLIC WORKS 

 (" Bau-Deputation "), Hamburg, 

 15. 



DESAGA, C., Heidelberg, 13. 



DEUTSCHBEIN, R., Hamburg, 14. 



DICKERT, TH., Poppelsdorf, Bonn, 

 16. 



DIETRICH, von, Niederbronn, 3. 



DOLL, M. (Polytechnic School), 

 Carlsruhe, 2. 



DORFFEL, P., 46, Unter den Linden, 

 Berlin, 1O. 



DOVE, PROF. DR., Berlin, 3, 9, 18. 



DREVERMANN, DR., Hoerde, West- 

 phalia, 13. 



DREYER, ROSENKRANZ, AND DROOP, 

 Hanover, 3. 



DURRE, PROF. DR., Aix-la-Chapelle, 

 13. 



EBERMAYER, PROF. DR. (Director, 

 Academy of Forestry), Aschaffen- 

 burg, 14. 



EDELMANN, M. T. (Polytechnic 

 School), Munich, 3, 7, 9, 1O, 11. 



ELBE, M., Ellwangen, 11. 



ENGEL, F., 21, Graskeller, Ham- 

 burg, 12. 



ENGLER, PROF. DR., Halle, 13. 

 ERHARDT AND METZGER, 47, Elisa- 



bethen Strasse, Darmstadt, 13. 

 ERNECKE, F., 6, Wilhelmstrasse, 

 Berlin, 4, 5, 6. 



FEILITZSCII, PROF. DR. von, Greij's- 

 wald, 3, 5, 17. 



FEIN, C. AND K, Stuttgart, 1O. 



FENNEL, O., Cassel, 2,' 15, 16. 



FISCHER, H., Hanover, 13. 



FISCHER, PROF. L. H., Freiburg, 

 Breisgau, 17. 



FISCHER, PROF. DR. 11., Breslati, 

 10, 18. 



FISCHER, T., Cassel, 15. 



FRERK, A., AND SON, Hanover, 15. 



FRIEDERICHSEN, L., & Co., H<n>t- 

 burg, 2, 15. 



FRIEDLANDER, DR. C., Strasburg, 

 18. 



FRITSCH, PROF. DR., Berlin, 18. 



FUESS, 11., 108, Jacobstrasse, Ber- 

 lin, 3, 11, 16, 17, 18. 



FURTENBACH AND OELLIAFEN, Rei- 



chelsdorf, Number g, 13. 

 GABLER, C. D., Hamburg, 5. 

 GAPER, DR., Marburg, 18. 

 GASWORKS, MUNICIPAL, Berlin, 13. 

 GEHREN, F. W. von (&TAUDINGER 



& Co.), Giessen, 3, &. 

 GEISSLER, C. F., & Sox, Berlin, 5, 



3, 13, 14, 18, 19. 

 GEISSLER, DR. H., Bonn, 5, 7, 8, 



10,13, 14. 



GEISSLER, P. C., Nuremberg, 17. 

 GEODETIC INSTITUTE, Berlin, 3, 15. 

 GEODETIC INSTITUTE, Munich, 15. 

 GEOGNOSTIC SURVEY OF BAVARIA 



(Dr. Giiinbel), Munich, 16. 

 GERLACH, PROF. DR., Erlangen, 18. 

 GERLAND, DR. E. (High School), 



Cassel, 3, 9, 17, 18. 

 GERSTENHOFER,M., Freiberg, Saxony, 



3. 

 GIESSEN, UNIVERSITY OF, 3, 4, 7, 



10. 

 GIZYCKI, PROF, von (Polytechnic 



School), Aix-la-Chapelle, 12. 



GODEFFROY, J. C., Museum 



Godeffroy, Hamburg, 15. 



GOLDSCHMIDT, T., Berlin, 13. 



GOPPERT, PROF. DR., Royal Bota- 

 nical Garden and Museum of the 

 University of Breslau, 18. 



GOTTINGEN, INSTITUTE OF VEGE- 

 TABLE PHYSIOLOGY OF (Prof. Dr. 

 Grisebach, Director), 18. 



GOTTINGEN OBSERVATORY, 9, 11, 

 15. 



GOTTINGEN,UNIVERSITY OF, 7, 9, 1O, 

 13. 



GREIFSWALD, UNIVERSITY OF, 5. 



GREINER, P., Hamburg, 15. 



GRUNEBERG, Cologne, 13. 



