Herr Adolphe Brongniart in Paris. 
Alexandre Brongniart in Paris. 
de Candolle in Genf. 
Carlini in Mailand. 
Carus in Dresden. 
Chevreul in Paris. 
Configliacchi in Pavia. 
Dalton in Manchester. 
Desgenettes in Paris. 
Döbereiner in Jena. 
Dufrenoy in Paris. 
Dulong in Paris. 
I. Dumas in Paris. 
Faraday in London. 
F. E. L. Fischer in St. Petersburg. 
Gotthelf Fischer in Moskau. 
Flauti in Neapel. 
Florman in Lund. 
Freiesleben in Freiberg. 
Fuchs in München. 
Gaudichaud in Paris. 
Gay-Lussac in Paris. 
Gergonne in Montpellier. 
C. G. Gmelin in Tübingen. 
L. Gmelin in Heidelberg. 
Graham in Glasgow. 
Hansen in Seeberg bei Gotha. 
Hansteen in Christianıia. 
Hausmann in Göttingen. 
Herschel in Slough bei Windsor. 
Hooker in Glasgow. 
C. G. J. Jacobi in Königsberg. 
Jameson in Edinburgh. 
Ivory in London. 
Kielmeyer in Stuttgard. 
v. Krusenstern in St. Petersburg. 
Larrey in Paris. 
vw. Ledebour in Dorpat. 
Liebig in Gielsen. 
Herr Graf Libri in Paris. 
Lindley in London. 
v. Martius in München. 
Möbius in Leipzig. 
Mohs in Wien. 
von Moll in Dachau bei München. 
van Mons in Löwen. 
F. E. Neumann in Königsberg. 
Nitzsch in Halle. 
Oersted in Kopenhagen. 
v. Olfers in Berlin. 
Otto in Breslau. 
Pfaff in Kiel. 
Plana in Turin. 
Poncelet in Metz. 
de Pontecoulant in Paris. 
de Prony in Paris. 
Purkinje in Breslau. 
Quetelet in Brüssel. 
Rathke in Königsberg. 
Achille Richard in Paris. 
de la Rive in Genf. 
Aug. de Saint-Hilaire in Paris. 
v. Schlechtendal in Halle. 
Schrader in Göttingen. 
Schumacher in Altona. 
Marcel de Serres in Montpellier. 
v. Stephan in St. Petersburg. 
©. Struyve in Dorpat. 
Sturm in Paris. 
Tenore in Neapel. 
Thenard in Paris. 
Tiedemann in Heidelberg. 
Tilesius in Mühlhausen. 
G. R. Treviranus in Bremen. 
L. C. Treviranus in Bonn. 
Trommsdorff in Erfurt. 
Figors in London. 
Wahlenberg in Upsala. 
