BB 22 
Santiago. 
Chili. 
Société Scientifique de Chili. 
Etats-Unis. 
Baltimore. 
American Chemical journal. 
Maryland geogical Survey. 
Berkeley. 
University of California. Department of geology. 
Society of natural liistory. 
Boston. 
American Academy of artsand sciences. 
Cambridge. Muséum of comparative zoology 
Chicago. 
Academy of sciences. 
Journal of geology. 
Colorado. 
Columbus. 
Davenport. 
College studies. 
Geological survey of Oliio. 
Academy of natural sciences. 
Denver . Colorado scientific society. 
Dés-Moines. Jowa geological survey. 
Hamilton. Hamilton Association. 
Indianapolis. Department of geology and natural ressources 
— Indiana academy of sciences. 
Jefferson. 
Missouri geological survey. Bureau of geology and 
mines. 
Lanting. 
Lawrence. 
Madison. 
Michigan academy of sciences. 
Office of Kansas University quaterly. 
Wisconsin academy of sciences, and letters. 
Wisconsin geological and natural liistory survey. 
Missoula. 
University of Montana. 
New-Haven. American journal of sciences. 
New-York. 
Academy of sciences. 
A nerican Institute of mining Engineers. 
American Muséum of natural liistory. 
Min ing Magaz ine. 
State Muséum of natural History. University of the 
State of New-York. 
Dhiladelphie. American pliilosopliical Society. 
Rochester. 
American Institute of Mining. 
Franklin institute. 
Academy of sciences. 
Geological society of america. 
