Backlund, Joh. Oscar, direktør, Pulkova. 1898. I. 



Barrois, Charles, professor, direktør, Lille. 1899. IV. 



Besnier, dr. E., Paris. 1909. VIII. 



Bornet, dr. I. B. Edouard, Paris. 1905. V. f »/ u 1911. 



Brefeld, dr. Oscar, professor, Breslau. 1901. V. 



Brotherus. dr. V. E., lektor, Helsingfors. 1909. V. 



Curlius, dr. T., professor. Heidelberg. 1903. III. 



Darboux, Jean Gaston, professor, secrétaire perpétuel de 1'Académie des 



sciences, Paris. 1906. I. 

 Davis, William Morris, professor, Cambridge Mass. 1902. IV. 

 Engler, dr. Adolf, professor, Berlin. 1902. V. 

 Fischer, dr. E., professor, Berlin. 1903. III. 

 Fredholm, dr. Ivar, professor, Stockholm, 1910. I. 

 Gattermann, dr. Ludwig, professor, Freiburg i. Br. 1903. III. 

 Geikie, Sir Archibald, chef for den Britiske geologiske undersøkelse, London. 



1894. IV. 

 Geikie, James, professor, Edinburgh. 1894. IV. 

 v. Goebel, dr. K., professor, Miinchen. 1909. V. 

 v. Groth, dr. P., professor, Miinchen. 1903. IV. 

 Haeckel, dr. Ernst, professor, Jena. 1911. VI. 

 Hann, dr. Julius, professor, Wien. 1902. II. 

 Hellmann, dr Gustav, professor, Berlin. 1904. II. 

 Helmert, dr. Bob., professor, direktør for Centralbyraaet for den internat. 



jordmaaling, Potsdam. 1907. II. 

 Hertwig, dr. Oscar, professor, direktør for det Anatom. -biolog, institut, 



Berlin. 1907. VII. 

 Heubner, dr. J. O. L., professor. Berlin. 1907. VIII. 

 Hilbert, dr. David, professor, Gottingen. 1906. I. 



Hill, dr. George William, fhv professor, West Nyack, N. Y. 1910. I. 

 van Hise, dr. C. B , professor, præsident for universitetet i Madison. 



1903. IV. 

 van't Hoff, dr. J. H., professor, Berlin. 1902. III. f Vs 1911. 

 Homen, dr. E. A., professor, Helsingfors. 1904. VIII. 

 Iddings, Jos. Paxon. professor, Chicago. 1902. IV. 

 Johannsen, W. L , professor, Kjøbenhavn. 1908. V. 

 Jordan, Marie Ennemond Camille, professor, Paris. 1906. I. 

 Kemp, dr. J. F., professor, Columbia Univ., N. Y. 1903. IV. 

 Kraepelin, dr. E., professor, Miinchen. 1911. VIII. 

 Lacroix, dr. A., professor, direktør for den mineralog, avd. ved Jardin des 



Plantes, Paris. 1903. IV. 

 Lenard, dr. Ph., professor, Heidelberg. 1908. II. 

 Lépine. B., professor, Lyon. 1907. VIII. 

 Lévy, A. Michel, direktør, Paris. 1900. IV. f 25 /o 1911. 

 Liebermann, dr. C. Th., professor, Berlin. 1903. III. 

 Lorentz, dr. H A., professor, Leiden. 1908. II. 

 Mackenzie, dr James. London. 1911. VIII. 

 Manson, Sir Patrick, London. 1911. VIII. 

 Markham, Sir Clements, London. 1900. IV. 

 Murray, Sir John, Edinburgh. 1899. IV. 



