XL 
CHILI. 
* Santiago. Société scientifique du Chili. 
ÉTATS-UNIS. 
* Albany. State geologist annual Report. 
* Baltimore. Maryland geological Survey. 
— American Chemical Journal. 
* Berkeley. University of California. 
* Boston. American Academy of Arts and Sciences. 
— Society of natural History. 
— Geological Survey of Illinois. 
* Buffalo - Society of natural sciences. 
Cambridge. Muséum of comparative Zoôlogy. 
* Chicago. Academy of Sciences. 
* — Journal of Geology. 
Colorado. Colorado College Studies. 
Davenport. Academy of natural Sciences. 
* Denver. Colorado scientific Society. 
* Des Moines. Jowa Geological Survey. 
Indianapolis. Indiana Academy of science. 
* Jefferson. Missouri Geological Survey. 
Lawrence. Kansas University. 
* Madison. Wisconsin Academy of Sciences, Arts and 
Lelters. 
* Minneapolis. Geological and natural Eistory Survey. 
* — Minnesota Academy of natural Sciences. 
* New Haven. American journal of science and arts. 
* New York. Academy of sciences, late Lyceum of natural 
history. 
— Geological Survey of the State. 
* — American Muséum of natural History. 
— State Muséum of natural History. 
