THE SEVENTEEN-YEAR CICADA. 
209 
different years, and understand that the locust-year, in some 
places not far distant, 
is different from their 
year in this town.” 
This letter was ac- 
companied by specimens 
of the insects, in their 
various states, obtained 
and preserved by Mr. 
Goodwin. 
The writer of an ar- 
ticle in the “ Boston 
Magazine ” for Novem- 
ber, 1784, observes that 
Mr. Morton must have 
been mistaken as to these 
insects, in saying that 
they eat up the green 
things, which from the 
structure of their mouths 
we now know could not 
have been the case. 
This writer also records 
the appearance of these insects in 1784, and the place of 
his residence, in which this occurred, is believed to have 
been in the County of Bristol ; which coincides with the 
remark made by Mr. Goodwin, that in different places they 
appear in different years. This remark is furthermore con- 
firmed by the observations of various persons * who have 
* Among tile authorities which I have consulted upon the history of the seven- 
teen-year Cicada, may be mentioned the Rev. Andrew Sandel, of Philadelphia, 
tin abstract of whose account is given in the 4th vol. of Mitchill and Miller’s 
Medical Repository,” p. 71 ; the “ Columbian Magazine," Vol. I., pages 86 and 
108; Mr. Moses Bartram’s account in Dodsley’s "Annual Register” for 1767, 
P 103; Dr. MeMurtrie, in the 8th vol. of the “ Encyclopedia Americana,” p. 48; 
1 r- S. 1>. Hildreth’s interesting account in the 10th vol. of Silliman’s “ American 
ournal of Science,” p. 327 ; and a pamphlet entitled “ Notes on the Locusta," 
“ 0, i with which I have been favored by the author, Professor Nathaniel Potter, 
27 
