1901.] NATURAL SCIENCES OF PHILADELPHIA. 797 



K. Akademie der Wissenschaften. Berlin. 



Abliandlungen. 

 Sitzungsberichte. 



K. Akademie der Wissenschaften. Wien. 



Commission fiir oceanographi.sche Forschungen. 



Deiikschriften. 



Mittheilungen der prahistorischen Commission. 



Sitzungsbericlite matli.-naturw. Klusse. 



Albany Institute. Albany. 

 Transactions. 



Allgemeine Zeitschrift fiir Entomologie. Neudaram (E. S.). 



American Academy of Arts and Sciences. 

 Memoirs. 

 Proceedings. 



American Association for the Advancement of Science. Salem. 

 Proceedings. 



*Americau Anthropologist. New York. 



American (The) Antiquarian. Chicago. 



American Antiquarian Society. Worcester. 

 Proceedings. 



American Cliemical Journal. Baltimore. 



American Chemical Society. Easton. 

 Journal. 



American Climatological Association. Philadelphia. 



Transactions. 



American Entomological Society (Entomological Section of the Academy). 

 Philadelphia. 



Transactions. 

 EntorQological News. 



American Geographical Society. New York. 

 Bulletin. 



^American (The) Geologist. Minneapolis. 



American Institute of Mining Engineers. New York. 

 Transactions. 



*American Journal of Anatomy. Baltimore. 



American Journal of Pharmacy. Philadelphia. 



* American (The) Journal of Physiology. Boston. 



American Journal of Psychology. Worcester. 



American (The) Journal of Science. New Haven. 



American Journal of Mathematics. Baliimore. 



American (The) Monthly Microscopical Journal. Washington. 



American Museum of Natural History. New York. 



Annual Reports. 



Bulletin. 



Memoirs. 



American Naturalist. Cambridge. 



American Ornithologists' Union. New York. 

 The Auk. 



