1004 



EXPERMEXT STATIOX RECORD. 



[Vol. 40 



Wyoming — Page. | 



Station, notes 99,499,900 



University, notes 99,900 



Xanthorhoe prwfcctata, studies 265 



Xdnthorrhcea quadrangulata, resin 



formation 449 



Xanthosoma, culture experiments 434 



Xylaria spp., relation to black root 



rot 251 



Xyleborus forntoatus, notes 266,453 



Xylose, preparation from corncobs — IT 



Yacca gum, notes 449 



Tam scale, notes 259 



Yams — 



analyses and cooking tests 557 



beetle attacking 260 



culture and use 763 



culture experiments 434 



culture in Philippines 231 



varieties 231, 522, 637 



Yarn making, textbook 899 



Yautia, culture in Philippines 244 



Yeast — 



alcohol production by 326 



antlpolyneuritic substances 



from 174 



as source of food hormones 463 



Food, Arkady, effects, Wash 762 



grains, analyses, Ind 72 



grains, analyses, Mass 571 



Yeast — Continued. Page. 



grains, analyses, Mich 571 



grains, analyses. N.J 665 



making, old-time method 864 



use in preparation of media 408 



Yellow rattle, eradication 833 



Yerba mat§, adulteration 558 



Yezosiphum n.g., description 60 



Young, J. R., biographical notes 869 



Yuccas — 



use in feeding, N.Mrs 277 



use in feeding, U.S.D.A 270, 471 



Yuma project — 



experiment farm report, U.S.D.A- 404 



irrigation requirements, U.S.D.A- 484 



Zebra-caterpillar, notes 57 



'/.< "lites, commercial, analyses, 



N.Dak 588 



Zeui/ophora scutillaris, notes 75S 



Zinc — 



determination 610 



determination in gelatin 712 



oxld, pharmaceutical, lead in 413 



sulphate, fertilizing value 440 



Zoology, vertebrate, subspecifie inter- 

 gradation in 254 



Zorotupux hubbaidi n.sp., notes 260 



Zulder Zee, draining 487 



Zygctna ampelophaga, notes C48 



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