434 Scientific — 
with such precision. It is also remarkable that in the pint Baten 
me should be so many different districts each having its 17-ye 
eau dates. It brani seem much more probable that in yer one 
ing with this Ci cada. A map of the "United States aM Ps as to 
show these different locust-districts would be of great interest to ento- 
mologists. 
The insect is supposed to be pabiibiny to North America, and was 
made known to European naturalists by Peter Kalm of Sweden (Kongl. 
Vetensk. Acad. Handi. 1756), who travelled in Pennsylvania, New York, 
Canada, &c., in 1748 and 1749, and mentions an uprising of the Cicada 
about Philadelphia, Penn. ¥ 2 "May, 1749, (Travels, trans. by Forster, 
Lita i 7 O16, 2 el 
Ve ery good accounts of this insect may be found in Prof. Nathant 
Potter’s Votes on the Locusta Septent erry Americane decem 
eee 1839, 8vo, PP. 5 27, with plate ;) and in Dr. T. W. Harris a's Treatise 
on Insects injurious to Vegetation, (8vo. Boat, 1842, 1852, 1862). 
New Haven, Conn., April 15, 1862. E. C. Herrick 
10. Taappevs Wa. Harris, M.D. A Treatise on some of the a 
injurious to Vegetation. .A new edition, enlarged and improve oved, Cadre” 
ditions from the Author’s manuscripts, and original notes, and illust 
by engravings drawn from nature under the supervision of ae 
Acassiz, Edited by Cuantes L. Franr, Secretary of the Hem 
State Board of Agriculture. Boston, 1862, 8vo, pp. xi and 640. aa 
8 engraved steel plates comprising 96 figures, besides 278 figures in ys de 
—The | first edition of this excellent work of the late Dr. Harris 0! 
public vara a small issue of the same with slight changes bee 
also printed for sale (Bost., 1842, 8vo, pp. 459). An enlarged editio Rig? 3 
the same was published in 1852, "(Bost. 1852, 8v0, pp. pet the 
tions were without drawings of ‘the insects descri adn ged, 
{ merits of the work were from the first sao acknow! satis 
fe ant Wiabeded illustrations lessened its usefulness. In 1859 the 8 : | 
Massachusetts directed Mr. Flint to prepare a new, enlar, 
yi edition of Dr. Harris’s work. Mr. Flint, availing himself of some 
‘of the best aid he could procure in this country, has executed Peat 
-mission in a highly creditable manner; and the result is 4 i 
and valuable volume of great practical usefulness to the aero Ke ee 
a It is enriched bya a pts siege my the chap i 
i ro anuscri d by 1 cia G. 
b ‘Be John Le Lema, Philip Tr, Esq-s 
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