74 
D. 
Datana ministra, experiments with pyrethrum 
upon larva of, 21, 23 
Datura stramonium hybridized with cotton, 31 
Daucus carota as afood-plant of the Army Worm, 
11 
Dolerus, a supposed species of, falsely accused of 
injuring the cranberry in New Jersey, 12 
E. 
Eddy-chamber nozzles, 42, 43, 47 
Emulsion of milk and kerosene, 45 
Eupithecia luteata compared with E. miserulata, 
24 
injuring the fir, spruce, and hem- 
lock, 25 
miserulata, 23, 24 
‘ description of larva, 24 
pupa, 24 
injuring the cedar, 23 
F. 
Fall web-worm, experiments with pyrethrum up- 
on, 16 
Fragaria virginiensis as a food-plant of the Army 
Worm, 10 
G. 
Gossypium herbacium as a food-plant of Army 
Worm, 10. . 
1e& 
Hawthorn Schizoneura, 
thrum upon, 23 
Howard, L. O., experiments with pyrethrum, 16 
Hyphantria textor, experiments with pyrethrum 
upon larva of, 16, 17, 20 
Hypopta represented in the United States, 55 
I. 
experiments with pyre- 
Ichneumon, a species of, infesting chrysalis of 
Cossus centerensis, 52 
J. 
Jamestown weed, alleged hybrid with cotton, 31 
Joues, Mr. A. T., poisoning method used by, 39 
K. 
Kellogg, Rev. Elijah, statements by, concerning 
the spruce bud-worm, 27, 28 
“Kerosene, effects of, on cotton, 45 
L. 
Lactuca sativa 
Worm, 11 
Larch worm, further data concerning, 28 
Leucania unipuncta. See Army Worm 
Locusts, various species, injurious to the cran- 
berry, 14 
London purple vs. the Cotton Worm, 40 
M. 
as a food-plant of the Army 
Machinery for poisoning the Cotton Worm, 3847. 
See Poisoning machinery 
| 
Packard, A. S., jr., 
INDEX. 
MeMutrtrie, Dr. William, reference to report by, 
report on silk fibers, 568 
Microgaster congregatus, 14 
Milk-kerosene emulsion, 45 
N. 
Nematus erichsonii, 29 
egg-laying ot, 29 
Nozzles for poisoning, 42, 43, 47 
Re 
notes on forest-tree insects, 
23-29 f 
Papaver somniferum as food-plant of Army 
Worm, 10 
| Paris green, Army Worms killed with, 11 
for Cotton Worm, 40 
Pastinaca sativa as a food-plant of the Army 
Worm, 11 
Phaseolus vulgaris as a food-plant of the Army 
Worm, 10 
Pionea rimosalis, experiment upon, with pyre- 
thrum, 20 
Pisum sativum as a food-plant of the Army 
Worm, 10 
Plusia brassicze, experiments upon, with pyre- 
thrum, 20 
Poison for destroying Cotton Worm, 32 
Poison, recipe for early spring, against Cotton- 
Worms, 35 
Poisoning machinery for the Cotton Worm, 38-47 
adjustability and flexility, 35, 43,44, 45,46 
best nozzles, 42, 43, 47 
clogging of nozzles, 42, 43 
cross-pipes, 38, 438, 44, 46 
elevating, 44, 45, 46 
hose, 41 
inclined-pipe supports, 45 
joints, 43, 46 
nozzle arms, 38, 41, 42 - 
nozzle gangs, 42 
pipe hooks, 44 
stirrer pump, 40, 46 
strainers, 42 
top adjustment, 43-46 
milk-kerosene emulsion for, 45 
Populus tremuloides injured by Cossus center- 
ensis, 49 
Prionoxystus represented in United States, 55 
robiniz, 54, 55 
food-plants, 54 , 
description of imago, 55 
qguerciperda, description, 55 
Pyrethrum, experiments on Datana ministra, 21 
Hyphantria textor, 16 
Pionea rimosalis, 20 ‘ 
' Plusia brassicae, 20 
Schizoneura sp., 23 
R. 
Raphanus sativusasa food-plant of Army Worm, 
10 
| Raw silk. See Silk 
= a 
