Apr. 5-June 28, 1924 
Index 
1263 
Page 
Cyanamid— 
and dicyanodiamid nitrogen, determination 
method.....42-43 
bibliography_ 68-69 
effect on microorganisms in soil...1159-1166 
fertilizer tests.... 973-975 
nitrification rates, comparisons.. 43-54 
transformation products, changes in soil_54-66 
Cyanids, insecticidal value... 396-399 
Cylkobrachytus spp., parasites of the Equidae. 669 
Cylicodontophorus spp., parasites of the 
Equidae.. 670 
Cylicostephanus spp., parasites of the Equidae 671 
Cylicostomum spp., parasites of the Equidae._ 666, 
668,670,672 
Cylicotoichus sp., parasite of the E quidae..... 669 
Cylindropharynx spp., parasites of the Equidae 666, 
668,672 
Cyliocercus spp., parasites of the Equidae_ 669 
Cyclorrhapha, larvae____12,14 
Cyrtosis, cotton growth disorder__ 810 
Dairy wastes, aromatic bacillus..... 275-276 
Dandelion— 
false, infestation with nematode of Tylenchus 
dipsaci ... 473-477 
infestation with nematode, Tylenchus 
dipsaci ...... 473,476-477 
Davison, F. R. and— 
Brewbaker, HE., and Thompson, N. A.: 
Brittle Straw and Other Abnormalities in 
Rye....;__169-172 
Willaman, J. J.: Some Modifications of the 
Picric Acid Method for Sugars. 479-488 
Day length- 
effect on intemodal length and leaf dimen¬ 
sions__ 453-460 
relation to growth and sexual development 
of hemp_ 1069-1076 
Daylight length, artificial control, effect on 
blossoming and growth.__ 447-460 
Dearstyne, R. S., and Kaupp, B. F.: Fowl 
Typhoid, Its Dissemination and Control.. 75-78 
Delmas, pecan'susceptibility to scab. 322,328 
Delphinium, bacterial leafspot.—_ 261-270 
Demaree, J. B.: Pecan Scab, with Special 
Reference to Sources of the Early Spring 
Infections_ 321-329 
Denmark, clubroot studies in.... 550-552 
Desert region, southwestern, natural vegeta¬ 
tion, indicator significance__ 721-802 
Desert-sage, association on Southwestern 
desert soils....:. 745-757,796-799 
Dessication, effect on virus of curly-top_ 311 
Devarda alloy, use in nitrate determina¬ 
tion_ 527,528-538 
Diarrhea, caused by gossypol___ 192 
Dicyanodiamid, nitrification in soils and 
effects on fertilizers.. 39-40,54-61 
Dimorphism, sexual, of hemp, factors affect¬ 
ing. 1067-1078 
Diplodia natalensis, growing on apple and 
currant twigs... 587 
Dipsacus fullonum, seed infestation with 
nematodes.. 474,477 
Diptera, anatomy, embryology, and meta¬ 
morphosis...6,7,8,12,20,28,30,31 
Dodge, B. O — 
and Stevens, Neil E.: The Rhizoctonia 
Brown Rot and Other Fruit Rots of 
Strawberries_ 643-648 
Expulsion of Aecidiospores by the May- 
apple Rust, Puccinia podophylli _.... 923-926 
Unmucleated Aecidiospores in the Caeoma 
nitens and Associated Phenomena... 1045-1058 
Donkey, parasites. 666-672 
Dormant spray for pecan scab... 327 
Dorylaimus regius, description, habits, and 
food_ 1062-1064 
Dothiorella pycnidia, from currant cane 
blight fungus, etc___ 590,591 
Drummond, Pearl L., and Toole, Eben S.: 
The Germination of Cottonseed. 285-292 
Dry farming land, indications of natural 
vegetation.. 117 
Ducks, flesh, vitamin B content. 463,468,472 
Duff, moisture and temperature fluctuations, 
comparison with bare soil..1154-1156 
Page 
Dunegan, John C., and Roberts, John W.: 
The Fungus Causing the Common Brown 
Rot of Fruits in America. 955-960 
Durango cotton, growing and characters, 
comparisons. 938-952,954 
Dusts, insoluble aromatic compounds, in¬ 
secticidal value .. 401 
Dycyanodiamide, fertilizer tests. 973-975 
Ear— 
corn, development in different varieties.. 412-414 
length, meadow mouse.. 988 
Earths, alkaline determination in meats_ 341 
Eberthella sanguinaria, same as Bacterium 
sanguinarium .....75,77 
Edema, caused by gossypol poisoning.. 196 
Eelworms. See Nematodes. 
Egg production- 
relation to the sex ratio of— 
chickens.... 207-209 
the domestic fowl.... 199-224 
Eggs— 
consumption, per capita... 461 
Vitamin content.. 461-472 
weight, realtion to sex ratio of chickens.. 209-211 
Egyptian cotton, chlorid content of leaf tissue, 
comparison with Upland. 695-704 
Embryos, meadow mouse, number and 
weight... 989 
Emmer, wheat group, characters. 1017 
Emmers— 
comparison of synthetic form with wild 
form.,.515-520 
wild, study and comparisons.. 515-520 
Encelia farinosa, indicator of land value... 112,122 
Endophyllum spp., characteristics— 1050,1052,1053 
Ensiling Sudan grass with a legume_ 255-259 
Epiornithological studies of fowl typhoid_ 78 
Equidae, nematode parasites... 666-672 
Eremocitrus glauca, susceptibility to citrus 
canker. 228 
Eristalis sp., larvae.8,10,13,20 
Erodium cicutarium . See Alfileria. 
Ether extract, determination in meats....... 340 
Euchlaena spp., chromosome number, pollen 
counts, etc.. 673-676 
Eutettix tenella. See Leafhopper, beet. 
Fasciation, cotton, effects of crazy-top and 
other diseases. 814 
Fat- 
cells, bee larva, description... 1200-1201 
tissue of apple maggot and other larvae_16-19 
Feeding- 
cottonseed, experiments with gossypol... 173-198 
pigeons, with poultry flesh and eggs. 462-471 
Ferona spp., susceptibility to citrus canker. 228 
Fertilizers— 
nitrate determination methods.. 533-538 
value of phosphorus nitride and ammonium 
sulphate, comparison. 1118 
Fescue, indicator of land value.107,117,122 
Fiber, cotton, salt content. 293-296 
Fir, Douglas- 
cutting methods, effect on reproduction 1233-1242 
reproduction- 
after logging... 1152-1154,1157 
on pine lands of central Idaho.1140-1147 
under various cutting methods. 1233-1242 
Fixed Nitrogen Research Laboratory, fertil¬ 
izer experiments. 971-976 
Flats, bare, southwestern desert soils. 779 
Flavobacterium suaveolens, a new species of 
aromatic bacillus from dairy wastes. 275-276 
Florida, gooseberry, spiny-fruited, native 
species....— 71-74 
Flowers, cotton, abnormalities, effects of 
crazy-top and other diseases. 818 
Fly, apple maggot- 
anatomy and metamorphosis, notes, and 
bibliography.. 1-36 
technical description.21-30,32 
Foot- 
meadow mouse, hind, measurement. 987 
meadow mouse, plantar tubercles vari¬ 
ation. 983,1014 
Ford, E. R., and Posey, G. B., Survey of 
Blister Rust Infection on Pines^at Kittery 
Point, Me., etc. 1253-1258 
