July 2-Sept. 24, 1917 



Index 



651 



Page 

 Cement, concrete, effect of grading of aggre- 

 gates on 263-274 



Cereals, occurrence of biologic forms of Pucci- 



nia graminis on 429-496 



Chemical Studies in Making Alfalfa Silage 



(paper) 275-292 



Chloral hydrate, toxicity to insects. . . . 367,368.370 



Chloretone, toxicity to insects 368, 370 



Chlorin in— 



alkali 342-344j347>349>352 



ash 340-34i>349 



gypsum 350 



sandstone 337, 344-345. 349 



shale 338-340> 348-349 



soil 341-342,348 



Chlorofonn, toxicity to insects 367, 368, 370 



Chlorpicrin, toxicity to insects 367.369,370 



Chrysanthemum — 

 aphis. See Macrosiphum sanborni. 



host plant of Tarsenomus pallidus 377 



Citral, toxicity to insects 367 



Clark, W.M., and Lubs, H. A. (paper): A Sub- 

 stitute for Litmus for Use in !Milk Cul- 

 tures 1 05-1 1 1 



Clay, soluble salts in 341-342,348,352 



Colemanite, effect on Triticum spp. of manure 



treated with 591-597 



CoUard. See Brassica oleracea viridix. 

 Colletotr ichu m — 

 brassicae, mistaken for causal organism of 



Colletotrichum leafspot 160-161 



higginsianwm — 



causal organism of leafspot of Brassica 



rapa (footnote) 161 



n. sp. (footnote) 161 



Colletotrichum Leafspot of Turnips, A (pa- 

 per) 157-162 



Concrete — 



bituminous, index to service 328 



cement, effect of grading of aggregates on . 263-274 

 Cook, F. C, and Wilson, J. B. (paper): Effect 

 of Three Aimual Applications of Boron on 



Wheat 591-597 



Corn — 



influence on alfalfa silage 280 



See also Zea rnays. 



Crop, effect on soil moisture 117-124, 151 



Croton bug. See Blatclla gtrmanica. 



Cultivation, effect on soil moisture. 115, 128-129, 151 



Culture, milk, use of bromcresol purple in. 105-111 



Cupressus glabra, host of Phoma sp 53S 



Cyanuric acid. See Acid, cyanuric. 



Cyclamen Mite, The (paper) 373-39° 



See also Tarsonemus pallidus. 

 Cylindrosporium brassicae, comparison with 

 causal organism of Colletotrichum leaf- 

 spot 161-162 



Daily Variation of Water and Dry Matter in 

 the Leaves of Corn and the Sorghums 

 (paper) 11-46 



Davenport, C. B., and Ritzman, E. G. (pa- 

 per): Family Performance as a Basis for 

 Selection in Sheep 93-97 



Davidson, W. M., and Baker, A. C. (paper): 

 A Further Contribution to the Study of 

 Eriosoma pyricola, the Woolly Pear Aphis. 65-74 



Page 

 Diamond-Back Moth. See Plulclla viaculi- 



pen n is. 

 Dibromocrthocresolsulfonphthalein. See 



Bromcresol purple. 

 Digestion, influence of — 



moisture of feces of steer on 55-s6 



rate of passage of feed through the steer on. 60-61 

 Disease dissemination by wind-blown rain. 639-648 

 Douglas fir. See Pseudotsuga taxifolia. 



Effect of Paraffin on the Accumulation of 

 Anunonia and Nitrates in the Soil 



(paper) 355-363 



Effect of Three Annual Applications of Boron 



on Wheat (paper) 591-597 



Embryo, wheat, effect on reproduction in cat- 

 tle 189-190 



Ehn. See Ulmus spp. 

 Energy — 



chemical, losses 604-605, 607 



metabolizable — 



losses 604-605 



values of feed 609-610 



net, values of feed 607-60S 



Energy Values of Hominy Feed and Maize 



Meal for Cattle (paper) 599-613 



Eriosoma — 

 lanuginosa, comparison with Eriosoma 



pyricola 66-68 



pyri, alternate form of Eriosoma lanuginosa. 66 

 pyricola — 



comparison with Eriosoma lanuginosa . . 66-68 



description 67-6S 



life history 6S-73 



parasite of — 



Pyrus comviunis 65-74 



Ulmus americana 68 



Ulmus campesiris 68 



Errata iv 



Ether- 

 solvent of quassiin powder 510-511 



toxicity to insects 367,369,370 



Ethyl- 



acetoacetate, toxicity to insects 367, 368, 370 



alcohol, toxicity to insects 367, 369, 3 70 



ether, toxicity to insects 367. 370 



malonate, toxicity to insects 367,368,370 



mercaptan, toxicity to insects 367,369.370 



Ethylene bromid, toxicity to insects. . . 367, 368, 3 70 



Eugenol, toxicity to insects 367 



Evaporation — 



accuracy of measurements for 216-217 



analysis of river-bed materials for 244-249 



description of tanks used for 249 



effect of^ 



depth on 218-238 



flowing water on 227-229 



on irrigation 209 



size of water surfaces on 218-259 



still water on 227-229 



stream-bed materials on 242-259 



temperature on 218-239, 253 



weather on 241-242 



wind velocity on 239-241 



Evaporation from the Surfaces of Water and 



liiver-Bed Materials (paper) 209-261 



Ewing, P. v., and Smith, F. H. (paper): A 

 Study of the Rate of Passage of Food Resi- 

 dues through the Steer and Its Influence on 

 Digestion Coefficients 55-63 



