( 1167 ) 
Chicago. Field Columbian Museum.— Yerkes Observatory. 
Cincinnati. Lloyd library. 
Columbia. University of Missouri. 
Cordova. Academia de ciencias. 
Granville. Denison University. 
Halifax. Nova-Scotian Institute. 
Ithaca. Journal of physical chemistry. 
Laurence. The Kansas University. 
Lima. Cuerpo de ingenieros de minas. 
Lincoln. University of Nebraska. 
Madison. Wisconsin Academy. 
Mexico. Observatorio. — Sociedad de historia natural. 
Montevideo. Universidad. 
Mont-Hamilton. Lick Observatory. 
Montréal. Natural history Society. 
New-Haven. Journal of sciences. 
New-York. Academy of sciences. — Mathematical Society. 
— jiuseum of natural history. 
Para, Museu. 
Philadelphie. Academy of natural sciences. — Franklin 
Institute. — The american Naturalist. — Philosophical 
Society. — Historical Society. 
Rochester. Acalemy of sciences. — Geological Society. 
Saint-Louis. Academy of sciences. 
Salem. Essex Institute. 
San-Francisco. California Academy of sciences. 
Santiago de Chili. Société scientifique. 
Toronto. Canadian Institute. 
Urbana. {llinois Slale laboratory. 
Washington. Department of Agriculture. — U. S. national 
Museum. — Smithsonian Institution. — U. S. Geological 
Survey. 
Amiens. Société industrielle. 
Bordeaux. Société des sciences physiques et naturelles. 
1908. — SCIENCES. 76 
