276 



Museum of practical Geology i London. 



Literary and philosophical Society i Manchester. 



Société Géologique de France. 



Museum d'histoire naturelle i Paris. 



Academie Imperiale des sciences, belles lettres et arts i Lyon. 



Société Imperiale d'agriculture, histoire naturelle et arts i Lyon. 



Société Linneenne å Lyon. 



Academie des sciences, belles lettres et arts å Rouen. 



Société des sciences naturelles de Cherbourg. 



Société météorologique å Paris. 



Real Academia de ciencias i Madrid. 



Academie des Sciences å Lisbonne. 



Reale Accademia delle scienze i Neapel. 



Accademia de nuovi Lincei i Rom. 



Instituto Veneto di science, lettere et arte i Venedig. 



Videnskabernes Selskab i Petersborg. 



Finska Vetenskaps-Societeten i Helsingfors. 



Société des Naturalistes de Moscou. 



Observatoire astronomique i St. Petersborg. 



Observatoire physique central de Russie i St. Petersborg. 



The American Philosophical Society i Philadelphia. 



The American Academy of arts and sciences i Boston og Cam- 

 bridge. 



The Smithsonian Institution i Washington. 



The Society for the developpement of the mineral resourses of 

 the United States. 



The American Geographical and Statistical Society. 



The Lyceum of Natural history i New- York. 



The American Academy of Natural Sciences of Philadelphia. 



The editors of the American Journal of Science. 



