ELENCO DEI SOCJ EFFETTIVI. 



Sig. Vittorio Villa, Milano. 



Duca Guido Visconti di Modrone (Socio lìeriMm), Milano. 



Ino-. Prof. cav. Luio'i Zunini, Milano. 



ISTITUTI SCIENTIFICI CORRISPONDENTI 



al principio dell' anno 1903. 



AMERICA DEL NORD. 



1. University of the State of New York — Albany N. Y. 



2. Maryland Geological Survey — Baltimore. 



3. American Academy of Arts and Sciences — Boston. 



4. Boston Society of Natural History — Boston. 



5. Buffalo Society of Natural Sciences — Buffalo N. Y. U. S. of A. 



6. Davenport Academy of Natural Sciences — Davenport Jowa, 



7. Indiana Academy of Science — Indianapolis Indiana. 



8. Jowa Geological Survey — Des Moines (Jowa). 



9. Nova Scotian Institute of Science — Halifax. 



10. Wisconsin Academy of Sciences, Arts and Letters — Madison 



(Wisconsin). 



11. Connecticut Academy of Arts and Sciences — New-Haven. 



12. Geological and Natural History Survey of Canada — Ottawa. 



13. Academy of Natural Sciences — Philadelphia , 



14. American Philosophical Society — Philadelphia. 



15. Wagner Free Institute of Science — Philadelphia. 



16. Geological Society of America — Rochester N. Y. U. S. of A. 



