INDEX 597 
Pontederia cordata, 554, 561. 
Pontederiaceae, 561. 
Poplar, 332. 
Populus deltoides, 555, 562. 
grandidentata, 555. 
tremuloides, 555. 
Porthetria dispar, 201. 
Portulacaceae, 563. 
Porzana carolina, 126. 
Potamogeton, 380, 395, 418, 419, 433, 
435, 437. 
zosterifolius, 559. 
Potato, 188. 
-beetle, Colorado, 201. 
_Potentilla arguta, 563. 
canadensis, 563. 
monospeliensis, 563, 
Prairie Chicken, 125. 
Prenanthes aspera, 556, 568. 
racemosa, 568. 
Primulaceae, 565. 
Prionosoma, 180, 189. 
podopioides, 189. 
Proctacanthus, 89. 
milbertii, 89, 96. 
Procyon lotor, 128. 
Promachus, 89, 96, 99. 
bastardii, 92. 
fitchii, 90, 92. 
vertebratus, 90-92, 98, 96. 
Prosena lacertosa, 78, 85. 
Proserpinaca palustris, 565. 
Protozoa, 440, 441, 442, 443, 457. 
Protozoan parasite, 53, 55, 56, 120-121. 
Proxys, 160, 177, 179, 189. 
punctulatus, 189. 
Prunella vulgaris, 566. 
Pseudemys concinna, 242. 
elegans, 231, 242. 
scripta, 242. 
troostii, 231, 242. 
Pseudodinia, 345, 346, 347. 
nitida, 347. 
polita, 347. 
pruinosa, 347. 
varipes, 347. 
Psorophora ciliata, 320. 
sayi, 320. 
Ptilodexia, 55, 56, 57. 
abdominalis, 78, 84. 
harpasa, 78, 82-84. 
tibialis, 82. 
Pulvinaria vitis, 346, 356. 
Pumpkinseed, 230. 
Pycnanthemum, 187. 
flexuosum, 556, 566. 
pilosum, 566. 
virginianum, 566. 
Pyralidae, 297. 
Pyrausta ainsliei, 305. 
caffreii, 304-305. 
nubilalis, 287, 297, 298-302, 303, 304, 
305. 
obumbratilis, 291, 297, 298, 301, 302, 
303-304, 305. 
penitalis, 297, 298, 301, 302-3038, 304. 
Pyraustinae, 297. 
Pyrgota, 53, 55, 56, 58, 103. 
undata, 103-107. 
valida, 103-107. 
Pyrophila poranlacitel, 201. 
Pyrophorus, 55. 
luminosus, 102. 
Pyrrhocoridae, 160. 
Quail, 125. Q 
Quercus falcata, 335. 
rubrum, 335. 
Quillback, 230. 
Quiscalus macrourus, 126. 
major, 126. 
quiscula, 124. 
aeneus, 126. 
aglaeus, 126. 
R 
Raccoon, 128. 
Ragweed, 293. 
Giant, 293. 
Rail, Virginia, 126. 
Rallus virginianus, 126. 
Rana catesbeiana, 231. 
pipiens, 231. 
