76 THE PERIODICAL CICADA. 
of this place, and the northern limit then was the present southern 
limit of the territory covered now (by Brood X, 1885).” 
Mr. James Pagon, Winnsboro, Fairfield County, S. C., writes that 
locusts appeared in South Carolina in 1878, but does not give definite 
localities. Both these records need confirmation. 
A record submitted by the late W. S. Robertson, of Muskogee, 
Ind. T., in a letter*dated June 17, 1879, of the occurrence of a brood 
of cicadas in 1839 at that point, was assigned, in the publication just 
referred to, to Brood XV, under the supposition that it probably 
belonged to the 17-year race. This record falls, however, in territory 
\N 
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= 
o 
o 
oO 
e) 
v 
v 
Fic. 29.—Map showing distribution of Brood X XIX, 1917. 
which is distinctly 13-year, and would seem to indicate that it 
belonged rather to Brood X XIX. 
The distribution of this brood, by States and counties, is as follows: 
GEORGIA.—Union. 
InpDIAN TERRITORY.—Muskogee. 
SourtH Caro.iina.—Fairfield. 
s3ROOD XXX—Tredecim—1918. (Fig. 30.) 
This brood was established by the writer on a single record given 
in Bulletin 18 (mew series) of this Bureau. This record follows: 
Mr. B. H. Brodnax, Brodnax, Morehouse Parish, La., writes under 
date of May 13, 1892, that cicadas are scatteringly present, and in a 
