1901.] NATURAL SCIENCES OF PHILADELPHIA. 
Division of Publications. 
List. 
Division oj Vegetable Physiology and Pathology. 
Bulletin. 
Circular. 
Office of Experiment Stations. 
Bulletin. 
Experiment Station Record. 
Office of Fibre Investigations. 
Report. 
Office of Road Inquiry. 
Bulletin. 
Circular. 
Ohio Section of the Climate and Crop Service of the Weather Bureau. 
Report. 
Section of Foreign Markets. 
Bulletin. 
Circular. 
Washington Section of the Climate and Crop Service of the Weather Bureau. 
Report. 
United States Department of the Interior. Washington. 
Bureau of Education. 
Circular. 
Report of the Commissioner of Education. 
United States Geological Survey. 
Annual Report. 
Bulletin. 
Geological Atlas of the United States. 
Mineral Products of the United States. 
Monographs. 
Topographic Map of the United States. 
Water-supply and Irrigation Papers. 
United States Department of State. Washington. 
Consular Reports. 
Special Consular Reports. 
^United States Government Publications. A Monthly 
Washington. 
United States National Museum. Washington. 
Abstracts from the Proceedings. 
Annual Report. 
Bulletin. 
Proceedings. 
Special Bulletin. 
United States Treasury Department. Washington. 
Annual Report of the Lighthouse Board. 
United States Coast and Geodetic Survey. 
Report. 
Special Publication. 
United States War Department. Washington. 
Annual Report of the Chief of Ordnance. 
Report of Chief ot Engineers, United States Army. 
Index Catalogue of the Library of the Surgeon-General’s Office. 
Universidad de La Plata. La Plata. 
Publicaciones. 
R. Universita degli Studi. Siena. 
Bullettino del Laboratorio ed Orto Botanico. 
University imp4riale. Upsala. 
Observations faites it l’observatoire mOtforologique. 
Universite catholique. Louvain. 
Annuaire. 
Programme des Cours. 
[Theses, etc.] 
831 
Catalogue. 
