36 
THE PERIODICAL CICADA. 
Maryland. — Allegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Fred- 
erick, Garrett, Harford, Howard, Kent, Montgomery, Prince George, Queen Anne, 
Talbot, Washington. 
Massachusetts. — Bristol (?). 
Michigan. — Barry, Branch, Calhoun, Eaton, Genesee, Gratiot, Jackson, Kalamazoo, 
Lenawee, Livingston, Monroe, St. Clair, St. Joseph, Washtenaw, Wayne. 
New Jersey. — Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth, 
Morris, Passaic (f), Somerset. 
New YorTc. — Kings, Monroe, Niagara, Richmond. 
North Carolina. — Caldwell ( ?), Cherokee ( ?), Davie, Lincoln (1834), Surry, Wake ( ?), 
Wilkes, Yadkin. 
Ohio. — Adams, Butler, Champaign, Clark, Clermont ( ?), Columbiana, Delaware, 
Fairfield, Franklin, Greene, Hamilton, Lucas, Miami, Montgomery, Pickaway, Pike, 
Preble, Sandusky, Seneca, AVarren, Wyandot. 
Fig. 9. — Map showiDg distribution of Brood I, 1903. 
Pennsylvania. — Adams, Bedford, Berks, Blair, Bucks, Carbon, Chester, Cumberland, 
Dauphin, Delaware, Franklin, Fulton, Huntingdon, Juniata, Lancaster, Lebanon, 
Lehigh, Mifflin, Monroe, Montgomery, Northampton, Perry, Philadelphia, Schuylkill. 
Snyder, Somerset, Union, York. 
Tennessee. — Blount, Carter, Hamblen, Hamilton, James (?), Johnson (?), Knox, 
Loudon, McMinn ( ?), Polk, Scott, Sevier, Sullivan, Washington. 
Vermont. — Rutland. 
Virginia. — Alexandria, Augusta, Carroll, Clarke and adjoining counties, Fairfax, 
Frederick, Loudoun, Spottsylvania (?), Warren, Wythe. 
West Virginia. — Berkeley, Grant, Hardy, Hampshire and adjoining counties, Jeffer- 
son and adjoining counties, Mineral, Morgan, Putnam (?). 
Wisconsin. — Sauk. 
