effects, 161-64.

of pennyroyal, 126.

of tar, 126.

Oligota oviformis, 86.

Onions, 231.

O'Kane, W. C., 153, 159.

Ophthalmia, 31.

Orange, 156, 190, 346, 362, 399.

Orange juice, 401.

Oregon coccinellidæ, 404-7.
Ornithodorus megnini, 223.
Ornix geminatella, 313.
Oryctes rhinoceros, 437.
Oxypleurites dentatus, 422.
dentilobis, 123.

Pamphilius dentatus, 199.
persicum. 199.
Panicum barbinode, 231.
Paracalocoris colon, 64.

Parasitology manuals, 416-18.

Paris green, 236, 440, 478, 479.

Parlatoria blanchardi, 186, 192, 415.

scale, 192.

Parrott, PJ, 61 65.

and Fulton, B. B., 177 80. *
Paspalum membranaceum, 57.

Patch, E M., 316 18

Peach 156, 157, 177, 178, 180, 190, 193,

237, 238, 240, 263, 345, 400.

Canium 164

pyri, 63.

viridicolles, 63.

Phyllocoptes brevisetosus, 423.

constrictus, 423.

magnificus, 423.

minutissimus, 423.

quinquilobus, 424.
splendidus, 424.
trilobis, 424.

variabilis, 424.

Phylloxera vastatrix, 190.

Physokermes in sign cola, 298.
Phytalus smithii, 456, 457.
Phytonomus melcs, 283.

Picudo of cotton in Peru, 303-12
Pigeon pea, 325.

Pimpla (Itoplectis conquisitor, 144 47.
Pine, 76, 78.

Pineapple, 68, 70, 71.

Pinus rigida, 331.

Piojo blanco of cotton, 318 27.

Piroplasma Babesia), 219.

Pitch pine, 75.
Plague, 32, 35, 378.
Plant lice, 238.

Plasmodium, 219.

falciparum, 367.
vivax, 367.

Plum, 64, 156, 177, 263, 396.
Pocket mice, 224.

Podabrus pruinosus, 406, 457 59.

Pogonomyrmex barbata, 194.

Rhinoceros beetles, 254, 437-42.
Rhizobius ventralis, 303.

Rhododendron borer, 427.

Rice, 54, 55, 56, 57, 58, 59, 60, 61, 117.
maggots, 59.

water weevil and its control, 55-61.

Riley, W. A., 416-18.

Rind disease, 256.
Ripersia festucæ, 143.

Rocky Mountain spotted fever, 200, 204,
210, 219, 220, 221, 222, 224.

Mountain spotted fever tick, 93-
95; 200-11; 218.

Roëntgen rays, effect upon the cigarette
beetle, 226-30.

Rose, 191, 192.

Sap fly, 285.

Sarcophaga georgiana, 365.
Sawtoothed grain beetle, 40.

Scapteriscus didactylus, 12, 252, 255;

Cuban parasite of, 330.

Schedius kuvanæ, 298.

Schizoneura lanigera, 190.
Schoene, W. J., 157-58.
Scolia dorsata, 255.

Scolothrips sexmaculatus, 87.

Scrub pine, 331.

Scutellista cyanea, 301.
Scymnus lowii, 149, 257.

roseicollis, 149, 257.

Severin, H. H. P., 68-73; 399-403.
and Severin, H. C., 347-51.
Shafer, G. D., 160.

Signiphora lutea, 320.
occidentalis, 320.

Silvanus surinamensis, 40.
Simulium vittatum, 97.

Sipha graminis, 149, 257.

Sleeping sickness, 27, 367, 376.

Smaller moth borer, 445, 446, 454.
Smilia misella, 404.

scale, 293, 294, 300, 301, 302, 303.
Solenopsis geminata, 256, 312, 330..
pylades, 309.

Sorghum, 362, 455.

Southern grass worm, 230, 233, 236, 252,

Tettigonia octolineata, 410.
similis, 257.

Texas fever, 100, 114.
Thermal apparatus, 196-97.
Thriphleps insidiosus, 85.
Thrips, 237.

Ticks, 81, 104, 218, 219, 220, 221, 222,
223, 381.

Tides, rainfall and salt marsh E0119-
quitoes, 352-59.

Timberlake, P. H., 293–303.
Tiphia parellela, 456, 457.
Tobacco, 232.

Tolype velleda, 426.
Tomaspis postica, 247.
varia, 247.

Tomocera californica, 294, 300, 301,

303.

Tomaspis postica, 453.

varia, 444, 451.

Tortrix sacrifaga, 252.

Townsend, C. H. T., 211-25; 244–46;

303-12; 318-27; 345-46.

Tree crickets, 177–80.

Triaspis vestiticida, 308.

Tribolium confusum, 40.

Trichogramma minutum, 341, 447, 454,

456.

pretiosa, 248, 254.

Trifolium, 284.

Trionymus americanus, 143.

californicus, 143.

nanus, 143.

violascens, 143.

Tropical almond, 399, 340, 400.
Trypanosoma, 219.

Trypanosoma cazalboui, 112.

gambiense, 367.
pecaudia, 112.

rhodesiense, 367.

Trypanosomes, 376.

Trypanosomiasis, 27.

Trypeta ludens, 156, 269.
Tsetse flies, 376.

Tuberculosis, 32, 33, 34, 36.

Turnip, 238, 240, 362.

Two elm leaf aphides, 316 18.

Two-spray calendar, success of, 163 73
Two-stabbed lady-bird beetle, 273.

Typhlocyba comes, 191.

Typhoid fever, 32, 33, 34.