466 Journal of Agricultural Research voi. 11 
Page 
Streptococcus, in Cheddar cheese.... 177-178,182-184 
classification of. 171-172 
constancy of reaction of... 173-174 
influence on flavor production of. 187-190 
production of acid by. 172-173,180-181 
in milk, production of ammonia by. 206 
substances formed in sterile milk by action of. 197-200 
Studhalter, R. A., and Heald, F. D. (paper), Birds as Carriers of the Chestnut- 
Blight Fungus. 405-422 
Sugar maple. See Acer saccharum. 
Sweet potato. See Ipomoea batatas. . 
Swingle, Walter T. (paper), Eremocitrus, a New Genus of Hardy, Drouth- 
Resistant Citrous Fruits from Australia.. 85-100 
Sympiesis sp. f parasite of Agromyza parvicornis . 27 
Taxus brevifolia, density of. 426-427 
Toxotrypana curvicauda . 448-452 
control of. 452 
distribution of. 447-448 
increase of.... 452 
infestation of Carica papaya . 447-454 
restricted to Carica papaya . 452 
Trametes setosus, n. sp. 164-165 
Triphasia glauca, syn. Eremocitrus glauca. 
Two New Wood-Destroying Fungi (paper). 163-165 
Tylenchu lus semipene trans . 217-2 3 o 
description of. 219-2 2 2 
distribution of.. 217-219 
injury to Citrus roots. 218-219 , 22 & 
life-history cycle of. 224-226 
Valeric acid. See Acid, valeric. 
Vigna sinensis , classification of color factors in. 41-55 
morphology of seed coat of. 34-36 
pigmentation of basal-color layer of. 36-37 
pigmentation of palisade layer of. 37-40 
seed destitute of pigmentation. 40 
Weevil, boll, feeding habits on plants other than cotton. 235-245 
Weir, James R» (paper), Two New Wood-Destroying Fungi. 163-165 
Wollenweber, H. W. (paper), Identification of Species of Fusarium Occurring 
on the Sweet Potato, Ipomoea Batatas.. 251-286 
Wood, density of substance of. 423-428 
destroying fungi, two new. 163-165 
porosity of.. 423-428 
relation to heat conductivity. 423-424 
relation to preservation of wood. .. 424-428 
Woodpecker, downy. See Dryobates pubescens medianus. 
hairy. See Dryobates villosus. 
Wright, R. C., and Kellerman, Karl F. (paper), Relation of Bacterial Trans¬ 
formations of Soil Nitrogen to Nutrition of Citrous Plants.... 101-113 
Yew, Pacific. See Taxus brevifolia. 
Yothers, W. W., and Knab, Frederick (paper), Papaya Fruit Fly___447-454 . 
Zagrammosoma multilineata , parasite of Agromyza parvicornis .. 27 
Zea mays A lead smut of..... 339~37 2 
