The Aero Club of America, the Aeronautical Society and Aero Club of Illinois, are the principal organisations. The Ae. C. represents the F.A.I., and has a beautiful club house. The Aeronautical Society has rooms in the United Engineering Building, conducts well-attended lectures twice a month, and has grounds on Straten Island (for hydro-aeroplanes and aeroplanes). Clubs affiliated with the Ae. C. of America are marked * ~CALIFORNIA.~ New Orleans Aero Club, Wm. Allen, Sec., New Orleans *Aero Club of California, Prof. H. La V. Twining, Pres., 1308 Calumet St. Los Angeles. *Pacific Aero Club, Pacific Buildings, 331 Octavia Street, San Francisco Postal Aero Club, 305 W. Santa Clara Street, San Jose University of California Aero Club, T. W. Veitch, Sec., Berkeley Oakland Aero Club, Oakland *Aero Club of Colorado, 36 West Colfax Avenue, Denver, Col. Aero Club of Blackstonehill, Oakland, Calif, c/o W. R. Davis, Jr., 474 Prospect Street Curtiss Amateur Aviation Club, Harold Scott, Secretary, Los Angeles Santa Clara Valley Aero Club, Chamber of Commerce, San Jose Aero Club of San Diego, San Diego, Colonel C. C. Collier, Pres. Aero Club of Pasedena, W. J. Hogan, Pres., 635 Chamber of Commerce, Box 1054 ~CONNECTICUT.~ *Aero Club of Connecticut, Pres., A. Holland Forbes, at Fairfield Yale University Aero Club, New Haven Aero Club of Hartford, Hiram Percy Maxim, Pres., Hartford ~CUBA.~ *Aero Club de Cuba, Ignario 5, Havana ~DELAWARE.~ Aero Club of Delaware, Wilmington ~DISTRICT OF COLUMBIA.~ Washington Aero Scientific Club, F. L. Rice, Sec., c/o Y.M.C.A., Washington *Aero Club of Washington, Dr. Albert F. Zahm, Sec., Cosmos Club, Washington ~FLORIDA.~ Aeronautic Society of Florida, Davenport and Kerrison, Secs., 2014 Main Street, Jacksonville ~ILLINOIS.~ *Aero Club of Illinois, F. McCormick, Pres., 240 Michigan Avenue, Chicago Aeroplane and Kite Club, E. E. Harbert, Pres., 2852 N. Clark Street, Chicago University of Chicago Aero Club, Chicago *Aircraft Club of Peoria, c/o Leslie Lord, 505 E. Armstrong Street, Peoria Aeronautical Society of the University of Illinois, Urbana, R. Watts, Sec., 507 E. John Street, Champaigne ~INDIANA.~ Purdue Aero Club, Purdue University, Lafayette South Bend Aero Club, South Bend. *Aero Club of Indiana, Indianapolis ~KANSAS.~ Aero Club of Topeka, Topeka *Western Aero Association, E. S. Cole, Sec., Topeka Kansas State Aero Club, C. H. Lyons, Sec., Overland Park ~KENTUCKY.~ Continental Aero Club, Richmond ~LOUISIANA.~ Southern Aero Club, 809 Canal Street, New Orleans New Orleans Aero Club, Wm. Allen, Sec., New Orleans ~MARYLAND.~ *Aero Club of Baltimore, Col. Jerome H. Joyce, Pres., Baltimore ~MASSACHUSETTS.~