1919.] NATURAL SCIENCES OF PHILADELPHIA. 303 



James Aitken Meigs Fund 226 



Authors 93 



United States Department of the Interior 38 



Pennsylvania State Library 34 



Editors 31 



American Entomological Society 23 



Cornell University Agricultural Experiment Station 20 



Tennessee State Board of Entomology 20 



Wistar Institute of Anatomy and Biology ■ 18 



Imperial Department of Agriculture, British West Indies 18 



United States Department of Commerce 14 



Miss Alice J. Smith 14 



Statens Skogforsokanstalt 13 



Dr. Henry Skinner 14 



Utah Agricultural College Experiment Station 13 



Pan American Scientific Congress 11 



Samuel G. Gordon 11 



Colonel George W. Norris 11 



California State Commission of Horticulture 10 



North Carolina Geological and Economic Survey 7 



State Geological Survey, Tennessee 7 



Secretaria de Agricultura y Fomento, Mexico 6 



Museum of the American Indian, Heye Foundation 6 



Trustees of the British Museum 6 



California Fish and Game Commission 5 



New York Agricultural Experiment Station 5 



Publication Committee of the Academy 5 



Dr. Edward J. Nolan 5 



Michigan Geological and Biological Survey 4 



University of Wyoming 5 



John Lawrence 4 



Queensland Department of Mines o 



Roger Williams Park Museum 4 



Thomas B. Wilson Fund 4 



Princeton University Department of Geology 4 



United States Treasury Department 4 



Royal Scottish Museum, Edinburgh 3 



Dr. W. L. Abbott 3 



Cuerpo de Ingenieros de Minas del Peru 3 



United States War Department 3 



Ohara Institut fiir landwirthschaftliche Forschungtn 2 



Geological Survey of Georgia 2 



Department of Trade and Customs, Australia 2 



University of Tennessee 2 



Argentine Government 2 



San Diego Museum Association 2 



Mississippi State Geological Survey 2 



Iowa Geological Survey 2 



Mrs. C. J. Pennock 2 



21 



