990 



EXPERIMENT STATION RECORD. 



[Vol. 37 



Wyoming— Page. 



Station, notes 19S,300,899 



Station, report 3% 



University, notes 99, 19S, 300, 399, 899 



Xanthin, action on isolated intestine 471 



Xanihium spp., eradication 542 



Xanthophyll pigments, formation (32 



XanthcrThfa spp. of South America 54S 



Xeniaincorn 537 



Xylaria spp. on apple roots, U.S. D. A 457,75* 



XyleboTua iispar, notes, Conn. State 255 



Xylomegti sunia, remedies 256 



Xylose — 



determination 617 



preparation from cottonseed halls 410 



Xylotrechus aceria n.sp. , description 566 



Yackas of South Australia 648 



Yams, tuber wilt diseases 452 



Yeast— Pagft. 



dead , formation of carbon dioxid by 203 



decomposition of lactic acid by 202 



development of reproductive organs 631 



Yellow — 



fever, investigations 357 



rocket, eradication, Mich "42 



Y^ucca/UaTTUTi/oM, saponin of 9 



Zacaton , description and culture 141 



Zea Tamofi and Z. tunkata, hybrids of, 



u.s.D.A aae 



Zeolite, artificial, as a source of potash cSB 



Zignodl^ nobilu n.sp. , notes 148 



Ztncchlorid, antiseptic and germicidal value. 176 

 Zingiberone, isolation and chemical consti- 

 tution C12 



Zostera marina, analyses, Conn. State tl4 



Zyjosporium parxru n.sp., notes 253 



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