pot StS io 
-VIiil INDEX. 
(@) Phoma, 109. 
Physogaster larvarum, 150, 
Oak, bur, 138, Phytoptus, paper on, 123. 
Oats, 5. 
description of, 130. 
habits of, 133. 
of the vine, 123. 
remedies for, 142. 
species of, 133. 
abnormis, 134, 
acericola, 135. 
consimilis, 137. 
Sraxini, 136. 
oleivorus, 124. 
pyri, 125,134,140. 
quadripes, 133, 135. 
querei, 138. 
salicicola, 138. 
thujce, 188, 139. 
ulini, 137. 
picta, Mamestra, 103. 
Pieris rape, experiments on, 92. ; 
bisulphide of carbon for, 95. 
hot water for, 93. 
insects injurious to, 105. 
Observations on the Angoumois Grain 
m th andits Parasites, 144. 
occidentalis, Thuja, 138,141. 
Oils as insecticides, 58, 59, 
oleivorus, Phytoptus, 124, 
oleracea, Portulaca, 19. 
opaculus, Anisodactylus, 112. 
Orange, Osage, insects affecting, 104. 
Orange rust, 124. 
Orgy ia leucostigma, 100. 
Ormenis pruinosa, 104. 
Ormerod, Eleanor A., 142. 
Orobena rimosalis, 104. 
orobene, Apanteles, 104. 
Oriya virguvianus, 44. 
Osage orange, insects affecting, 104. 
P kerosene emulsion for, 93. 
lime for, 97. ; - 5 
paliipennis, Hydnocera, 104. pyrethrum for, 93. i 
Parasites. saltpetre and salt for, 93. j 
Gregarina, 23. sulphur for, 95. ; 
insect, tar water for, 97. | 
on Angoumois grain moth, 150. tobacco smoke for, 97. H 
on army-worm, 102, Plant lice, 5,7, 41, 42, 56,84, 166,£109, 111, 113, | 
on crownborer, 73. 114, 117, 118, (see Aphis). j 
on melon plant louse, 88,90. Plant louse, corn, 5. 
on purple cabbageworm, 104. grain, 5. 
fungus, grape, 6. 
on Anisoplia austriaca, 54. melon, 83. 
on chinch-bug, 45, 53, 54, 56. Plant mites, 123. 
bacteria, 45, 52, 56. habits of, 133. 
Entomophthora, 53,54, 56,57. remedies for, 142. 
Micrococcus insectorwm,52, 56, | Plants, cueurbitaceous, 83. 
on flies, 47,53. Platynus, 109. 
on grasshoppers, 47. decorus, 109. 
on silkworm, 45,52. limbatus, 109. 
Paris green, 30, 74, 100. plorabunda, Chrysopa, 42. oe 
Partridge, 44. Plum, 6, 77. 
Patrobus, 113. Aphis, 6. 
longicornis, 113. Podura, 117. 
Pauls, Gustavus, 11. Poison ivy, 134. . 
Peach, bored by Anarsva, 77. Pollen, 22, 23, 30, 57, 109, 112, 114, 115. 
twig borer, 77. Poplar, Lombardy, 8. 7 
larva, 79. borer of, 121. 
moth, 79. Portulaca oleracea, 19. 
Pear, 98, 140. Potash, 59. 61. | 
Pear-leaf blister, 125. Prairie chickens, 44. 
Pear slug, (See cherry slug). Prairie Farmer, on the corn root-worm, 12. 
Pébrine, 54,55. on the red spider, 124. 
Peck, Prof, A. J.. on Selandvia cerasi, 98. Predaceous beetites, the food relations of, 
pennsylvanica. Epicauta, 104. 105. 1 
pennsylvanicus, Harpalus, 112. ground beetles, 7, 107. ' 
permundus, Plerostichus, 110. Protozoa, 23. 
Peronospora, 23. pruinella, Anarsia, 77. 
Petroleum, (See kerosene). pruinosa, Ormenis, 104. 
Pettit, J., 78. 
Ptevomalus, 151. 
Phalenide, 133. 
calandre, 151. 
