ENTOMOLOGIST AND BOTANIST. 
175 
IOWA BUTTERFLIES. 
The following species, collected in Grinnell, 
except as otherwise stated, are to be added to 
the Preliminary List of Iowa species reported 
by Mr. Samuel H. Scudder in Vol. I, Part 2, of 
the Transactions of the Chicago Academy of 
Sciences. Grinnell is on high rolling prairie, 
the summit level between the Mississippi and 
Des Moines Rivers, by the Rock Island and 
Pacific Railroad : 
Papilio T umiis, Linn. — Yellow variety. Com- 
mon. ^ 
Papilio Asterias, Fabr. — Common. " 
Papilio Philenor, Fabr. — Grinnell and Keokuk. 
Differs from*Bolsduval ’ s description in primaries not 
greenish; tail not whitish at base . Differs from Say’s 
in first thigh having a conspicuous yellow line ; creme 
yellowish -white . Two specimens— that from Grinnell 
expands near 4 inches . 
Papilio Tlioas, Linn.— Keokuk and Davenport. 
Papilio Ajax, var. Marcellas, Cram.— Keokuk .and 
Davenport. 
Argynnis Myrina, Cram.— Add to Boisdnval’s 
description — underside of primaries with three dull 
whitish spaces, two of which flank the middle nacre, 
and are each divided by a transverse brown line . An- 
tennae not conspicuously annulated wit^white. Ex- 
pands 2.8. — — 
SOUTHERN NOTES. 
BY J. PARISH STELLE, OF TENNESSEE. 
An Experiment for Tobacco-Growers.— I 
visited the plantation of a Mr. George Harris, 
in West Tennessee, last summer, and found 
him protecting his crop of tobacco from the 
ravages of the Tobacco Worm (Sphinx 5-mdctc- 
lata, Haw.) in a most novel kind of way. A 
border some six or eight feet wide, and running 
entirely around his tobacco-patch, was thickly 
grown with Jimpson or Jamestown weed {Da- 
tura stramonium , Linn.), the seed having been 
sown, I suppose, for I neglected to ask. At 
the time of my visit the weeds were in %11 
bloom, and on every third day Mr. Harris, so 
he told me, went among*, them ^id dropped a 
little arsenic into the bell of each flower. The 
hawk moths came at night to deposit their eggs 
upon the tobacco plants,' but when they reached 
the border they could not think of crossing 
without first having a dip into their favorite 
flowers; and, as a consequence— to use Mr. 
Harms's own expression— “ two minutes later 
found them laid out to dry,.” He assured me 
Th at on some morni ngs hundreds of dead Sioths 
w 
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