( 4107 ) 
matik und Physik. — Kais. naturhistorisches Hofmuseum. — 
Zool. botanische Gesellschaft. 
Wurzbourg. Physikal.-medizinische Gesellschaft. 
Universités de Carlsruhe, Fribourg-en-Brisgau, Giessen, 
Heidelberg, Kiel, Marbourg, Strasbourg, Tubingue et Vienne. 
Copenhague. Institut météorologique. — Société royale des 
sciences. 
Albany. University of the State of New York. 
Alleghany. Observatory. 
Baltimore. John Hopkins University. 
Berkeley. University. 
Boston. Academy of arts and sciences. — Natural History 
Society. 
Buenos-Ayres. Sociedad cientifica Argentina. 
Cambridge. Museum of compar. zoûlogy. — Observatory 
Chicago. Field Columbian Museum. — Kenwood Observa= 
tory. 
Cincinnati. Lloyd library. 
Cordova. Academia de ciencias. 
Granville. Denison University. 
Halifax. Nova-Scolian Institute. 
Ithaca. Journal of physical chemistry. 
Laurence. The Kansas University. 
Lincoln. University of Nebraska. 
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. 
Philadelphie. Academy of natural sciences, — Franklin 
