Jan. 1, 1925-June 15, 1925 
Index 
1201 
_ Page 
Decomposition of Proteins and Amino 
Acids by Various Groups of Micro¬ 
organisms, Contribution to Chemistry 
of: Selman A. Waksman and S. Lo- 
manitz.. 263-281 
Diaeretus fuscicornis Ashm, enemy of the 
strawberry root louse, description. 449 
Diatraea zeacolella, food plants, etc .. 786 
Dicyanodiamide, Toxicity to Plants, Stud¬ 
ies: F. E. Allison, J. J. Skinner, and 
F. R. Reid__ 419-429 
Diplodia tubericola and Mucor recemosus. 
Rot Fungi of Sweet Potato, Study: L. 
L. Harter__ 961-969 
Disinfectant, Borax for Citrus Fruit: Wil¬ 
liam R. Barger and Lon A. Hawkins._ 189-192 
Dodge, B. O., and Shear, C. L.: Life His¬ 
tory of Pilacrefaginea (Fr.) B. and Br.__ 407-417 
Dogs— 
Diet, Raw Onions in, as a Control Meas¬ 
ure for Worms: M. C. Hall, J. A. Shil- 
linger, and E. B. Cram_ 155-159 
Vaccination against Rabies, Studies on 
Single-injection Method: Harry W. 
Schoening- 431-439 
Douglas fir, superiority in reforestation_ 638-641 
Drechsler, Charles— 
and Jones, Fred Reuel: Root Rot of Peas 
in the United States, Caused by Aph- 
anomyces euteiches (n. sp.).. 293-325 
The Cottony Leak of Cucumbers Caused 
by Pythium aphanidermatum _ 1035-1042 
Drought, destruction of forest seedlings_ 638,640 
Dunbar, B. A., and Wells, C. F.: A Study 
of the Essential Plant Foods Recover¬ 
able from the Manure of Dairy Cows.. 985-988 
Ellington, George W., and Simmons Perez: 
The Ham Beetle, Necrobia rufipes 
De Geer- 845-863 
Ellis, William O.: Some Lepidopterous 
Larvae resembling the European Com 
Borer_ 777-792 
Engelmann Spruce. See Spruce. 
Enzymes, study in storage rot__ 962-967 
Equine Anemia, Infectious, Further In¬ 
vestigations in Nevada: Lewis H. 
Wright- 683-691 
Epiblema — 
scudderiana, description_ 788-789 
strenuana, description... 789 
Erdman, Lewis W.: Effect of Sulphur 
and Gypsum on the Fertility Elements 
of Palouse Silt Loam_ 451-462 
Erosion, relation to forest reproduction.. 1195-1196 
Ethylene dichloride, anthelmintic use. 949 
European Corn Borers, Lepidopterous 
Larvae Resembling: William O. Ellis. 777-792 
Fermentation, Sauerkraut, Influence of 
Inoculation upon: O. R. Brunkow, 
W. H. Peterson, and E. B. Fred_ 955-960 
Fermenting Agent, Psilocybe, in Organic 
Debris: Charles Thom and Elbert C. 
Lathrop... 625-628 
Fertilizers— 
Content of Sulphur in Relation to Plant 
Growth: Oscar C. Bruce.. 937-938 
Sulphur and Gypsum Effect on Palouse 
Silt Loam: Lewis W. Erdman_ 451-462 
Fir, Douglas, superiority in reforestation.. 638-641 
Fires— 
forest- 
damage to forests.. 737-741 
Effect on Reproduction of Trees in 
Idaho: J. A. Larsen....1177-1197 
Liability Ratings in Planning Control: 
W. N. Sparhawk_ 693-762 
relation of succession on same tract to 
. reproduction of trees. 1196-1197 
size and cost of suppression.... 703,719-737 
See also Forest fires. 
Folsom, Donald, and Schultz, E. S.: Infec¬ 
tion and Dissemination Experiments 
with Degeneration Diseases of Pota¬ 
toes, Observations in 1923... _ 493-528 
Food, Milk, Chlorinated, Safety: J. W. 
Read and Harrison Hale. 889-892 
Forest Fires, Effect on Reproduction of 
Trees in Idaho: J. A. Larsen...1177-1197 
Forests— Page 
burns, vegetation succession. 1195-1196,1197 
Fires, Liability Ratings in Planning Pro¬ 
tection: W. N. Sparhawk.. 693-762 
Fred, E. B., Brunkow, O. R., and Peterson, 
W. H.: A Study of the Influence of 
Inoculation upon the Fermentation of 
Sauerkraut_ 955-960 
Frey, C. N., and Keitt, G. W.: Studies of 
Spore Dissemination of Venturia in- 
aequalis (Cke.) Wint., in Relation to 
Seasonal Development of Apple Scab.. 529-540 
Fmit, Citrus, Borax as a Disinfectant: 
William R. Barger and Lon A. Haw¬ 
kins___189-192 
See also Apple: Citrus: Grape: Lemon: 
Lime: Orange: Pear: Tangerine. 
Fulton, Harry R.: Relative Susceptibility 
of Citrus Varieties to Attack by 
Gloeosporium limetticolum (Clausen)... 629-635 
Fungi— 
Damping-off— 
Direct Inoculation of Coniferous Stems: 
Annie Rathbun-Gravatt.. 327-339 
of coniferous stems, source and identity. 329-331 
Fusarium, taxonomic studies_ 833-843 
onion, relation of temperature to growth. 181 
Rot, of Sweet Potato, Mucor racemosus 
and Diplodia tubericola L. L. Harter.. 961-969 
use in study of decomposition of proteins 
and amino acids_ 265,274,275 
Fungous diseases, spread, relation to 
weather.... 593 
Fungus- 
cause of cottony leak on cucumbers_ 1035-1042 
Citrus-scab, Attack on Rutaceous Plants: 
John R. Winston, John J. Bowman, 
and Walter J. Bach__ 1087-1093 
parasitic, attacks on citrus varieties. 629-635 
Pilacrefaginea , characteristics in culture. 408-411 
Texas Root Rot, Ozonium omnivorum 
Shear, Life History: C. L. Shear. 475-477 
Fusaria, Pigment Development, Role of 
Hydrogen-ion Concentration: Christos 
P. Sideris. 1011-1019 
Fusarium— 
conglutinans, identification on cabbage... 1027 
Resistant Cabbage: Progress with Second 
Early Varieties: L. R. Jones, J. C. 
Walker, and John Monteith, jr_ 1027-1034 
Taxonomic Studies, Fundamentals for: 
H. W. Wollenweber, C. D. Sherbakoff, 
O. A. Reinking, Helen Johann, and 
Alice A. Bailey.... 833-843 
Gardner, Max W.: Necrosis, Hyperplasia, 
and Adhesions in Mosaic Tomato 
Fruits. 871-888 
Garner, W. W., Brown, D. E., and Lunn, 
W. M.: Effects of Crops on the Yields of 
Succeeding Crops in the Rotation, with 
Special Reference to Tobacco. 1095-1132 
Geranium, rot from fungi, comparative 
study... 1043-1062 
Gerry, Eloise: Effect of Height of Chipping 
on Oleoresin Production_ 81-93 
Gipsy Moth, Egg Parasites: S. S. Cross¬ 
man_ 643-675 
Gloeosporium limetticolum Clausen— 
Cause of Wither Tip of Lime: Harry R. 
Fulton.. 629-635 
spores distribution__ 630 
Gowen, John W.: Studies on Conformation 
in Relation to Milk Producing Capac¬ 
ity in Cattle. IV. The Size of the Cow 
in Relation to the Size of Her Milk 
Production... 865-869 
Grain. See Barley; Corn; Oats; Rye. 
Grape Juices, Effects of Seasonal Condi¬ 
tions on Composition: Joseph S. Cald- 
well.. 1133-1176 
Grapevine, Root Rot in Missouri Caused 
by Clitocybe tdbescens (Scop.) Bres.: 
Arthur S. Rhoads... 341-364 
Great Basin, alfalfa weevil, damage and 
spread.. 479,489-490 
Gnffee, Fred: Correlated Inheritance of 
Botanical Characters in Barley and 
Manner of Reaction to Helminthospo- 
rium sativum .. 915-935 
Gum, turpentine, yield in relation to chip¬ 
ping height...,. 85-88 
