( 970 ) 
Boston. Academy of arts and sciences. — Natural History 
Sociely. — Astronomical Journal. 
Brooklyn. Institute of arts and sciences. 
Buenos-Ayres. Sociedad cientifica Argentina. 
Cambridge. Museum of compar. 200logy. — Observatory. 
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. 
— Museum of natural history. 
Para. Museu. 
Philadelphie. Academy of natural sciences. — Franklin 
Institute. — The american Naturalist. —  Philosophical 
Society. — Historical Society. 
Rochester. Academy of Sciences. — Geological Society. 
Saint-Louis. Academy of sciences. 
Salem. Essex Institute. 
San-Francisco. California Academy of ssiences. 
Santiago de Chili. Société scientifique. 
Toronto. Canadian Institute. 
Urbana. Jlinois State laboratory. 
