74 



INDEX. 



Datana ministra, experiments with pyrethrum 



upon larva of, 21, 23 

 Datura stramonium hybridized with cotton, 31 

 Daucus carota as a food-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 



Fall web- worm, experiments with pyrethrum up- 

 on, 16 



Fragaiia virgiuiensis as a food-plant of the Army 

 Worm, 10 



Gossypium herbacium 

 Worm, 10. 



a food-plant of Army 



Hawthorn Scbizoneura, experiments with pyre- 

 thrum upon, 23 



Howard, L. 0., experiments with pyrethrum, 16 



Hyphantria textor, experiments with pyrethrum 

 upon larva of, 16, 17, 20 



Hypopta represented in the United States, 55 



Ichneumon, a species of, infesting chrysalis of 

 Cossus centerensis, 52 



J. 



Jamestown weed, alleged hybrid with cotton, 31 

 Jones, Mr. A. T., poisoning method used by, 39 



Kellogg, Rev. Elijah, statements by, concerning 



the spruce bud-worm, 27, 28 

 Kerosene, effects of, on eotton, 45 



Xactuca sativa as a food-plant of the Army 



Worm, 11 

 Xarch worm, further data concerning, 28 

 Xeucania unipuncta. See Army Worm 

 Locusts, various species, injurious to the cran- 

 berry, 14 

 London purple vs. the Cotton Worm, 40 



Machinery for poisoning the Cotton Worm, 38-47. 

 See Poisoning machinery 



McMurtrie, Dr. William, reference to report by, 

 report on silk fibers, 568 

 Microgaster congregatus, 14 

 Milk-kerosene emulsion, -45 



X. 



Nematus erichsonii, 29 



t egg-laying ot, 29 

 Nozzles for poisoning, 42, 43, 47 



jr., notes on forest- tree insects, 

 food-plant of Army 



Packard, A. S. 



23-29 

 Papaver somniferum 



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, i0 



Plusia brassicse, experiments upon, with pyi 

 7 thrum, 20 



Poison for destroying Cotton Worm, 32 

 Poison, recipe for early spring, against Cottoi 



Worms, 35 



Poisoning machinery for the Cotton Worm, 38-47 

 adjustability and flexility, 38, 43, 44, 45, 46 

 best nozzles, 42, 43. 47 

 clogging of nozzles, 42, 43 

 cross-pipes, 38, 43, 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 

 I'opulus tremuloides injured by Cossus center 



ensis. 49 

 Prionoxystus represented in United States, 55 

 robiniae, 54, 55 

 food-plants, 54 

 description of imago, 55 

 querciperda, description, 55 

 Pyrethrum, experiments on Datana ministra, 21 

 Hyphantria textor, 16 

 Pionea rimosalis, 20 

 Plusia brassicae, 20 

 Schizoneura sp., 23 



E. 



Paphanus sativus as a food-plant of Army Worm, 



10 

 Paw silk. See Silk 



