RANGE OF BROODS IN ORDKK OF FLTURE APPEARANCES. 
47 
especially to the localities in North Carolina, because of the occurrence 
that year also of Brood XVIII of the 13-year race. 
The distribution as listed below is based on the old records given in 
the circular cited, with such additions and corrections as the reports of 
appearance in 1804 made necessary. 
The distribution, by States and counties, is as follows: 
Connecticut. — Fairfield, Hartford, Litchfield, Middlesex, New Haven. 
District of Columbia. — Throughout. 
Indiana. — Dearborn, Posey ( ?). 
Maryland. — Anne Arundel, Calvert, Charles, Prince George, .St. Mary. 
Michigan. — Kalamazoo. 
New Jersey. — Entire State. 
New York. — Albany, Columbia, Dutchess, Greene, Long Island, Orange, Putnam, 
Rensselaer, Rockland, Saratoga, Staten Island, Lister, Washington, Westchester. 
North Carolina. —Bertie ( f), Davie ( ?), Forsyth ( f), Guilford, Rockingham. Rowan, 
Stokes, Surry, Wake ( ?), Warren ( ?), Yadkin ( ?). 
Pennsylvania. — Berks, Bucks, Chester, Dauphin. Delaware, Lancaster, Lebanon, 
Lehigh, Montgomery. Northampton, Philadelphia, Pike, Potter, Schuylkill, Wyoming. 
Virginia. — Albemarle, Alexandria, Amherst, Appomattox, Bedford. Buckingham, 
Campbell, Culpeper, Fairfax, Fauquier, Fluvanna, Goochland, Hanover. Henrico, 
James City, Loudoun, Louisa, Madison, Powhatan, Prince Edward, Rappahannock, 
Spottsylvania, Stafford. 
Brood XIII.— Septendecim— 1912. (Fig. 17.) 
Fig. 17.— Map showing distribution of Brood XIII. 1912. 
This brood, described by Walsh-Riley as Brood IX, is one of the 
more important of the Western 17-year broods, its most compact body 
20110— 2To. 11 4 
