BROOD XIV—SEPTENDECIM—1923. 59 
swarms extending from Pennsylvania southward into northern 
Virginia and in the Lower Alleghenies, covering portions of North 
Carolina, Tennessee, Georgia, etc., and in the Ohio Valley region, 
covering especially southern Ohio, Indiana, central Kentucky, and 
western West Virginia. 
Brood XIV has been carefully studied, notably so on the occasion 
of its appearance in 1906, when a great many new records were 
obtained by this Bureau and by the entomologists of the several 
States included within its range. 
Important new records were secured and kindly submitted to this 
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Fic. 17.—Map showing distribution of Brood XIV, 1923. 
office by Messrs. Garman, Fernald, Felt, Sherman, Howser, Bentley, 
and Ramsay, for, respectively, Kentucky, Massachusetts, New York, 
North Carolina, Ohio, Tennessee, and West Virginia. 
The occurrence jointly with this brood in 1906 of the small and 
rather unimportant 13-year Brood XVIII ieaves some doubt as_ to 
the correct assignment of certain swarms in southern Illinois, western 
Kentucky, and Tennessee. 
The starred counties indicate the occurrence of the Cicada in one 
or more characteristic dense swarms; the italicized counties are con- 
firmations of old records, and the counties inclosed in parentheses are 
old records not reported in 1898. The large dots on the map (fig. 17) 
