July 1-Dec. 15, 1924 
Index 
627 
Page 
Leghorn chicken, postnatal growth_ 363-397 
Legumes, fungus in roots.. 459-470 
Life-history studies of the Tobacco Flea- 
beetle in the Southern Cigar-wrapper 
District: F. S. Chamberlin, J. N. Tenhet, 
jr., and Adam G. Boving. 575-584 
Liliaceae, seed study. - 351 
Lily, seed study. 351 
Linaceae, seed study--- 354 
Lindegren, Carl C., and Walker, J. C.: 
Further Studies on the Relation of Onion 
Scale Pigmentation to Disease Resistance 507-514 
Link, George K. K., Ramsey, Glen B., and 
Bailey, Alice A.: Botrytis Rot of the 
Globe Artichoke_ 85-92 
Longevity and Fecundity of Bruchus quadri- 
maculatus Fab. as Influenced by Different 
Foods: A. O. Larson and C. K. Fisher... 297-305 
Maize— 
chlorophyll mutation.. 307-309 
growth of seedlings--311-312 
Malloch, Walter Scott: Asexual Propaga* 
tion as an Aid in Breeding Rootstocks.. 515-521 
Mallows, list, seed study... 354 
Malus spp., freezing injury.. 99-127 
Malvaceae, list, study of seed. 354 
Martynia— 
leafspot, bacterial. 483-490 
louisiana , leafspot, bacterial..483-490 
McCulloch, Lucia: A Leaf and Corm Dis¬ 
ease of Gladioli Caused by Bacterium 
marginatum ...- 159-177 
Mechanism, reaction, between formalde¬ 
hyde and serum proteins.. 471-482 
Mehring, A. L.: Total Ash Determination 
in Species---- 569-574 
Meigs, Edward B. and Cary, C. A.: Rela¬ 
tion between the Diet, the Composition 
of the Blood, and the Secretion of Milk 
by Dairy Cows. 603-624 
Milk- 
feed cost, relation to fat content_ 593-601 
relation between diet and blood and secre¬ 
tion of milk of cows--- 603-624 
Miller, Eric R., and Winchell, Alexander 
N.: The Dustfall of February 13, 1923... 443-450 
Morning glory, seed study_ 355 
Mosaic, sugar cane, tolerance and resistance 501-506 
Mulberry, seed study-- 351 
Murphy, Joseph C., and Jones, D. Breese: 
Vitamin A Content of Fresh Eggs. 253-257 
Mustard, list, seed study.. 353 
Mutation, maize.._... 307-309 
Mycorrhizal Fungus in the Roots of Le¬ 
gumes and Some Other Plants: Fred 
Ruel Jones... 459-470 
Myers, P. R.: Polyscelis modestus Gahan, 
a Minor Parasite of Hessian Fly. 289-295 
Nematode, root-knot, depth distribution.. 93-98 
Nettle, seed study..... 352 
New Termites and Hitherto Unknown 
Castes from the Canal Zone, Panama_179-193 
Observations on the Mechanism of the Re¬ 
action between Formaldehyde and Serum 
Proteins: R. R. Henley-- 471-482 
Oiled materials, control of scald on barrel 
apples. 129-135 
Oiled Paper and Other Oiled Materials in 
the Control of Scald or Barrel Apples: 
Charles Brooks and J. S. Cooley_129-135 
Oiled paper, control of scald on barrel 
apples.. 129-135 
Oleaceae, seed study. .. 355 
Olive, seed study. 355 
Onagraceae, seed study. 355 
Onions, scale pigmentation.. 507-514 
Ovis — 
cycloceros, parent stock-- 491 
musimon , distribution. 491 
relation to climate. 491-500 
Panama, new termites in Canal Zone.179-193 
Parasite, Hessian fly-- 289-295 
Pearson, G. A.: The Growing Season of 
Western Yellow Pine_ 203-204 
Peas, list, seed study... 353-354 
Peat materials, examination.. 69-83 
Phaseolus acutifolius, digestibility.. 205-208 
Phlyctaenia rubigalis, life history, etc.137-158 
Page 
Phytolacaceae, seed study-- 352 
Phytophaga destructor , parasite, Polyscelis 
modestus _...... 289-295 
Pigmentation, onion, relation to disease 
resistance... 507-514 
Pinaceae, seed study__ 357 
Pine— 
seed study. 357 
western yellow, growing season. 203-204 
Pinks, list, seed study_ 353 
Pinus scopulorum, growing season. 203-204 
Plantaginaceae, list, seed study.. 356 
Plants, fungus in. 459-470 
Plumage, fowl, relation to feeding. 285-287 
Poaceae, list, seed study ._ 350-351 
Pokeweed, seed study... 352 
Polygoniaceae, list, seed study-- 352 
Polyscelis modestus Gahan, a minor para¬ 
site of Hessian fly-- 289-295 
Portulacaceae, seed study. .. 352 
Postnatal Growth of the Body, Systems, 
and Organs of the Single-comb White 
Leghorn Chicken: Homer B. Latimer... 363-397 
Potato list, seed study. 355 
Preparasitic Stages in the Life History of 
the Cattle Hookworm ( Bustomum plile- 
botomum ): Benjamin Schwartz. 451-458 
Primrose, seed study_ 355 
Propagation, asexual, aid in breeding root¬ 
stocks_ 515-521 
Properties, insecticidal. See Insecticidal 
Properties. 
Proteins, serum, reaction to formaldehyde. 471-482 
Puccinia glumarum, stripe rust of cereals 
and grasses. 209-227 
Purslane, seed study. 352 
Pustule, bacterial, of soybean. 57-68 
Pustule, bacterial. See Bacterial pustule. 
Pythium complectens, cause of geranium 
stemrot- 399-419 
Pythium Rootlet Rot Of Sweet Potatoes: 
L. L. Harter.. 53-55 
Ragweed, list, seed study_ 356 
Ramsey, Glen B., Link, George K. K., 
and Bailey, Alice A.: Botrytis Rot of 
Globe Artichoke..-- 85-92 
Rate of Growth of Green and Albino Maize 
Seedlings: J. H. Kempton-311-312 
Reid, D. H., and Cole, L. J.: The Effect of - 
Feeding Thyroid on the Plumage of the 
Fowl__—. 285-287 
Relation of Sheep to Climate: Everett L. 
Johnson_ 491-500 
Relation Between the Diet, the Composi¬ 
tion of the Blood, and the Secretion of 
Milk of Dairy Cows: C. A. Cary and 
Edward B. Meigs.. 603-624 
Resistance- 
disease, relation to scale pigmentation in 
onion_ 507-514 
sugar cane mosaic. 501-506 
Root-knot nematode, depth distribution... 93-98 
Rootlet rot, sweet potato. 53-55 
Roots, fungus in.. . 459-470 
Rootstocks, breeding, aid of asexual propa¬ 
gation_ 515-521 
Rosaceae, seed study. 353 
Rose, seed study. 353 
Rot— 
Botrytis, of globe artichoke.. 85-92 
Pythium rootlet, of sweet potatoes: L. L. 
Harter...-. 53-55 
Rust- 
resistance, crosses of wheat for. 1-47 
stripe, cereals and grasses.. 209-227 
Scald, control on barrel apples.129-135 
Scale pigmentation, relation to disease re¬ 
sistance in onion.. 507-514 
Schwartz, Benjamin: Preparasitic Stages 
in the Life History of the Cattle Hook¬ 
worm, Bustomum phlebotomum .. 451-458 
Scrophulariaceae, seed study. 356 
Season, growing, western yellow pine. 203-204 
Sedge, seed study. 351 
Seed, inoculation in barley with Ustilago 
nuda .. 263-284 
Seedlings, maize, growth. 311-312 
