ALI 
PHILADELPHIA — Academy of Natural Sciences 
Proceedings. Vol. LX, 1908; Vol. LXI, Part I, 1909. 
PmLADELPHIA — Zoological Society 
Annual Report of the Board of Directors, 97, 1909. 
PiiLADELPHIA - Zoological Laboratory of the University of 
Pennsylvania 
Contributions. Vol. XIV, 1908-09. 
St. Lours — Missouri Botanical Garden 
Annual Report. 
Wasnineron — U. S. Department of Agriculture 
Yearbook. 1907. 
Bureau of Biological Survey — North American Fauna. No. 27, 1908 
No. 30, 1909. 
Bureau of Biological Survey — Bulletin. No. 83, 1909. 
Report of the Secretary of Agriculture. 
WasHINGToN — Smithsonian Institution 
Report of the Board of Regents. 1907. 
WasHIngcrton — U. S. National Museum 
Annual Report. 1908. 
Proceedings, Vol. 33-34, 1908. 
Bulletin 61-62, 1908-09. i 
Contributions from the U. S. National Herbarium. Vol. XII, Part 1-3, 
1908; Part. 5-6, 1909. 
Wasuinerton — U. S. Geological Survey of the territories 
Annual Report. 
SVEZIA È 
STtOCKHoLMm — Entomologiska Forening 
Entomologisk Tidskrift. Arg. 30, Hàft. 1-4, 1909. 
UppsaLa -- Kungl. Universitet 
Bulletin of the Geological Institution. 
Report of the Swedish Zoological Expedition to Egypt and the White 
Nile 1901. 
SVIZZERA 
Bern — Naturforschende Gesellschaft , 
Mittheilungen. 
GeNnÈVE — Institut national genevois 
Mémoires. 
Bulletin. 
LAUSANNE — Societé Vaudoise des Sciences Naturelles 
Bulletin. 5° S., Vol. XLI-XLV (N.° 152-167), 1905-09. 
