ISTITUTI SCIENTIFICI CORRISPONDExNTI 



al principio dell' anno IBS'?. 



AMERICA DEL XORD. 



1. University of the Stat(? of Ngav York — All)any N. Y. 



2. American Academy of Arts and Sciences — Boston. 



3. Boston Society of Natural History — Boston. 



4. Davenport Academy of Natural Sciences — Davenport Jowa. 



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



6. Nova Scotian Institute of Science — Halifax. 



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



(Wisconsin). 



8. Minnesota Academy of Natural Sciences — Minneapolis. 



9. Connecticut Academy of Arts and Sciences — New-Hawen. 



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



11. Academy of Natural Sciences — Philadelphia. 



12. Wagner Free Institute of Science — Philadelphia. 



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



14. California Academy of Sciences — San Francisco. 



15. California State Mining Bureau — San Francisco. 



16. Academy of Science of St. Louis — St. Luuis. 



17. Kansas Academy of Science — Topeka Kansas. 



18. Canadian Institute — Toronto. 



