464 Journal of Agricultural Research voi.n 
Page 
Pseudotsuga taxifolia, density of.. 426-427 
host of Forties putearius .' 163 
Pteromalidae, parasites of A gromyza parvicornis . 29 
Puccinia andropogonis, character and source of culture material of. 305-314 
dissemination of.. 3°3~3°5 
incubation period of. 315-316 
influence of the host on the morphological characters of.. 303-319 
morphological characters of. 316-319 
ellisiana, character and source of culture material of. 305-314 
dissemination of. 3°3~3°S 
incubation period of... 314-315 
influence of the host on the morphological characters of. 303-319 
morphological characters of. 316-319 
Pycnospores of the chestnut-blight fungus in soil, longevity of. 67-75 
Quercus rubra , absorption of creosote. 428 
density of.426-427 
porosity of crossties of. 428 
spp., host plants of Peridermium fusiforme . 248 
Rabak, Frank (paper), Aroma of Hops. 115-159 
Rainfall, relation to birds as carriers of Endothia parasitica . 414-415 
Recurvaria crataegella, syn. Recurvaria nanella. 
nanella . 161-162 
Regulus satrapa , carrier of Endothia parasitica .. 410,413-414 
Relation of Action of Certain Bacteria to the Ripening of Cheese of the Cheddar 
Type (paper). 193-216 
Relation of Bacterial Transformations of Soil Nitrogen to Nutrition of Citrous 
Plants (paper)............ 101-113 
Roberts, John W. (paper), Experiments with Apple Leaf-Spot Fungi. 57-66 
Roquefort cheese, enzyms of. n-13 
fat, composition of.429-434 
volatile acids of.430-432 
flavor of. 1-14 
nonvolatile acids of fat of. 43 2 ~433 
Roseum, section of Fusarium spp. 269-270 
Rot, fruit, etc., of the eggplant caused by Phomopsis vexans . 33 I ~33S 
Salts, effect on citrous seedlings. 104-108 
Sapsucker. See Sphyrapicus varius. 
Sarcophaga cimbicis, comparison with 5 . kellyi . 445 
parasite of grasshoppers. 439-441 
hunieri , parasite of grasshoppers. 439-441 
helicis , parasite of grasshoppers. 437-441 
kellyi , comparison with 5 . cimbicis . 445 
host of Aphaereta sp. 443 
host of Chalcis coloradensis . 442-443 
n. sp. 443-444 
parasite of grasshoppers. 435-446 
sarraceniae , host of Chalcis coloradensis . 442-443 
parasite of grasshoppers. 439-441 
sinuata , parasite of grasshoppers. 441 
spp., host of Perilampus hyalinus . 442-443 
parasites of. 442-443 
Sarcophagid parasite of grasshoppers, a new. 435-446 
