462 
N 
Nannius hiemalis hiemalis, 447. 
Nelumbo, 72. 
Nematodes, 79, 124. 
Nighthawk, 441. 
Nitela, 13. 
Notropis cornutus, 384, 385 (opposite), 
386. 
umbratilis 385 (opposite). 
whipplii, 385 (opposite), 386. 
Nuthatch, Red-breasted, 447. 
White-breasted, 412, 413, 414, 428, 
447. 
Nuthatches, 416. 
Nyctiecorax nycticorax naevius, 438. 
Nymphaea, 72. 
Nyssa aquatica, 305. 
sylvatica, 305, 306. 
O 
Oak, Black, 293, 297, 303, 304, 313, 314, 
315, 316, 326, 344, 345, 346, 350, 
351,. 357, 362, 368, 369, 371-376. 
Black-jack, 302. 
Bur, 299, 302, 340. 
Cow, 302. 
Pin, 299, 303. 
Post, 302, 326. 
Red, 299, 303, 339, 363. 
Scarlet, 303. 
Shingle, 303. 
Sour, 303. 
Spanish, 303. 
Swamp White, 297, 302, 305. 
Water, 303. 
White, 293, 297, 299, 302, 303, 
314, 315, 316, 326, 329, 337, 
344, 345, 346, 350, 351, 357, 
367, 370, 371-3875, 377. 
Yellow, 303. 
Oak-hickory type of forest, 298, 343. 
Oaks, “black,” 303. 
Ted ioo Gs 
“white,” 302, 336, 340. 
“willow,” 303. 
Oats, 90, 91, 125, 126, 137, 138, 139, 182. 
Odonata, 36, 52, 54, 67. 
313, 
340, 
361, 
INDEX 
Oidium, 109. 
Oligochaeta, 46, 47, 48, 52, 53, 57, 58, 
66, 69, 71, 73. 
Ophiobolus graminis, 77. 
Oporornis formosus, 446. 
philadelphia, 446. 
Oriole, Baltimore, 442. 
Orchard, 4, 194, 197, 198, 209, 210, 
211, 214, 215, 217, 432, 442. 
Orthocladius sp., 42. 
Osage Orange, 305, 309. 
Osprey, 440. 
Ostrya virginiana, 312. 
Otocoris alpestris alpestris, 441. 
alpestris praticola, 441. 
Otus asio naevius, 440. 
Oven-bird, 446. 
Owl, Barred, 440. 
Long-eared, 440. 
Saw-whet, 440. 
Screech, 440. 
Short-eared, 440. 
Oxyechus vociferus, 439. 
1 
Palpomyia sp., 72. 
longipennis, 51, 56, 64, 65, 72. 
Paludicella, 57. 
Pandion haliaetus carolinensis, 440. 
Parnidae, 52. 
Passer domesticus, 414, 442. 
Passerculus sandwichensis savanna, 
443. 
Passerella iliaca iliaea, 444. 
Passerherbulus henslowi henslowi, 443. 
lecontei, 443. 
nelsoni nelsoni, 443. 
Passerina cyanea, 444. 
Peach orchards, 291. 
Pecan, 331. 
Penicillium, 137, 163, 165, 166, 170. 
Penthestes atricapillus atricapillus, 
447. 
earolinensis carolinensis, 447. 
Perch, 387. 
Peronospora, 136, 165. 
parasitica, 165. 
