p. 359. 



33 



Xenia, or immediate effect of jiollen in maize (Webber). 1900 



Xiphidiuni eiisiferam, oVipoi^ition and embrvonic development of, 



notes on ( Wheeler) . 1890. p. 222 . . ." 



Yakima area, Washington, soil survey of (Jent^en an<l Olshausen). 



p. 389 



Yakima Vallev, Wash., irrigation in, use of water in (Waller). 



1902. p. 241 



Yakutat Bar, Alaska, botanv of (Coville and Funston). 189.5. 



p. 325" ; ' 



Yale. See Harvard and Yale. 



Yams in West Indies (Fairehild). 1899 



Yardstick, value of the, note on (Abbe). 1897. p. 19 



Yards, disinfecti^)n of, by fire (Stiles) . 1902. p. 15 



Yaupon, chemical notes on (Smith). 1872. p. 20 



Yazoo area, Mississippi, soil survey of (Bonstee) and party 

 Yearbooks of Agriculture Department: 



Index to, 1894-1900 (Greathouse). 1902 



Yellow-spotted willow-slug, rejxjrt on (Howard). 1888. 

 YeMowstone National Park: 



Go\-^rnment road system of (Chittenden). 1901. p. 72 



Letter relative t(j forest needs of ( Hague) . 1888. p. 206 



Yellowstone Valley, alkali soils of, from preliminary investigation of 



soils near Billings, Mont. ( Whitney and Means) 



Yerby, M. H., sl)ort l)iography of (Chaffee). 1900. p. 539 



Yermoloff, Alexis. Phosphates, Russian mineral. 1873. p. 22 



Yocum, J. H. Tannin, determining, by hide power, notes on points 



of error in shake method of. 1894. p. 204 



Young, John A. Sheep husbandry in North Carolina. 1878. p. 115. 

 Young peojile attending farmers' institutes, how to interest and 



instruct (Spencer). 1902. p. 42 



Yuba County, California, agricultural interest in. 1868. p. 457 



Yu)>a River, California: 



Featm-es and water rights of (Manson). 1901. p. 115 



I'se of water of ( Counick ) . 1901 . p. 100 



Yuccas, geographic and vertical distribution of, in deserts and desert 

 ranges of southern California, southern Nevada, northwest- 

 ern Arizona, and southwestern Utah (Merriam). 1893. p. 345. 

 Yucatan: 



Niin of , nature and uses. p. 268 



Sisal-hemp industry in (Dodge). i>. 49 



Storm in, note on (Abbe). 1900. p. 155 



Yucca insects and yucca pollination, further notes on (Riley). 1893. 



p. .300 



Yucca pollination, notes on (Riley). 1889. p. 367 



Yucca wliippiei, pollination of, in California (Coquillett). 1893. 



p. 31 1 



Yukon Valley: 



Agricultural and h(jrticultural conditions in, preliminary report 

 on (.lackson). 1898. p. 35 



Agricultural possibilities of ( Brainerd) . p. 276 



Yukon region: 



Birds of, with notes on other species (Bishop). li)00. j). 47 



General account of ( C)sgood ) . 1900. p. 7 



Mammals of (Osgood). 1900. p. 21 



Meteorology of, report on (Myers). 1899. p. 100 



Yukon Valley, weather of, report on (Myers). 1901. p. 309 



Zabriskic, Rev. J. L. Water bug found by, note on (Bergroth). 



1892. p. 321 



Zamia, spermatogenesis and fecundation of (Webber). 1901 



Zapus. ,Si'e .luiiipiug mice. 



Zeliroids, breeding of. p. 369 



Zehntner, I-,. Sugar-cane borers of Java. 1898. p. 32 



Zeitler, J. N. Milk from Canstadt, report on. 1890. p. 153 



Zinc in evaporated apples ( Wiley). 1896 _ 



Zinc-iron method, determination of nitric nitrogen by (Shiver). 

 1894. p. 142 



Index 



( lasNUliatlou 110. 



A28.3:22 



A9.7:2 



A26.5:901' 



A10.3:104 



A6.5:3 



A6.4:21 



A 29. 6:25 



A4.3:35 



A27.9:10 



A26.5:901i 



ALIO: 



A21.3:7 



A9.7:l 



A22.3:21 

 A13.3:2 



A26.3:14 

 A29.6:28 

 A27.9:ll 



A7.3:43 

 A1.2:Sh3 



A10.3:110 

 A27.9:6 



A10.3:100 

 A10.3:100 



A5.5:7 



AL 1:868 

 A 11. 5:3 

 A29.6:28 



A9.7:5 

 A9.7:l 



A9.7:5 



A 10. 3:48 

 A10.P:90I 



A5.5:19 

 A5.5:19 

 A5.5:19 

 A29.6:27 

 A29.6:29 • 



A9.7:4 

 A 19. 3:2 



A 4. 1:898 

 A9.6:10 

 A7.3:24 

 A7.3:48 



A7.::;4;; 



013 



