45 
DENISON UNIVERSITY, Granville, Ohio. 
Bulletin. Vol. VI, 2. 1S92. 
OHIO STATE BOARD OF AGRICULTURE, Columbus. 
Annual Reports. 1887-1890. 
NEWBERRY LIBRARY, Chicago, Illinois. 
Proceedings of the Trustees, 1892. 
ILLINOIS STATE LABORATORY OF NATURAL HISTORY. 
Bulletin. Vol. Ill, Articles 11, 12 ; IV, Article 1. 1891. 
ILLINOIS STATE BOARD OF AGRICULTURE, Springfield. 
Circular, 155-157. 1891, 1892. 
IOWA AGRICULTURAL SOCIETY, Des Moines. 
Annual Report. 1890. 
MINNESOTA ACADEMY OF NATURAL SCIENCE, Minneapolis. 
Bulletin. Vol. II, 2. 
MINNESOTA AGRICULTURAL EXPERIMENT STATION, St. 
Anthony's Park. 
Bulletin, XIV. 1891. 
MINNESOTA GEOLOGICAL AND NATURAL HISTORY SURVEY, 
through Prof. N. H. Winchell, State Geologist. 
Nineteenth Annual Report. 1890. 
MINNESOTA HISTORICAL SOCIETY, St. Paul. 
Collections. Vol. VIII. 1892. 
INDIANA STATE BOARD OF AGRICULTURE, Indianapolis. 
Fortieth Annual Report. 1891. 
GEOLOGICAL NATURAL HISTORY SURVEY OF INDIANA, Indi- 
anapolis. 
Sixteenth Annual Report. 1888. 
Seventeenth Annual Report. Advanced Sheets. 1892. 
MICHIGAN STATE BOARD OF AGRICULTURE, Agricultural College. 
Thirteenth Annual Report. 1891. 
Bulletin. Nos. 78, 79, 80-87. 1892. 
MICHIGAN STATE BOARD OF FISH COMMISSIONERS, Lansing. 
Biennial Reports. 6-8, 1885, 1888. 
MILWAUKEE PUBLIC MUSEUM, Wisconsin. 
First to Eighth Annual Report. 
WISCONSIN HISTORICAL SOCIETY, Madison. 
Proceedings. 39th Annual Meeting. 1892. 
WISCONSIN ACADEMY OF SCIENCE, Madison. 
Transactions. Vol. VIII. 1888-1891. 
MISSOURI GEOLOGICAL SURVEY, Jefferson City. 
Preliminary Report on Coal. 1891. 
MISSOURI STATE BOARD OF AGRICULTURE, Jefferson City. 
Twenty-third Annual Report. 1890. 
Atlas. The Higginsville Sheet. 1892. 
MISSOURI BOTANICAL GARDEN, St. Louis. 
Third Annual Report. 1892. 
ST. LOUIS ACADEMY OF SCIENCE, Missouri. 
Transactions. Vol. V, 3, 4- VI, 1, 2. 1891, 1892. 
JOHNS HOPKINS UNIVERSITY, Baltimore, Md. 
Circular. Vol. XI, 95-101. 1892. 
Annual Reports. 10, 12-15. 
