16 
Colorado Experiment Station 
Arkansas Valley — 
rainfall, annual, 1880-1910. B. 180, 
pt. 1:45, 1911; B. 180, pt. 3:146, 
1911. 
soil analysis. B. 42 :33, 1898. 
sugar beets, notes. B. 42 :12, 1898. 
tomato industry in. B. 78, 1903. 
water resources, description. B. 
180, pt. 1 :17, 1911. 
Arkansas Valley Experiment Station — 
meteorological observations. R. 3 : 
155, 1890 ; R. 4 :61, 1891. 
report. 
1888. 
Frank Watrous. 
R. 1:237. 
1889. 
Frank Watrous. 
R. 2 :113. 
1890. 
Frank Watrous. 
R. 3 :202. 
1891. 
Frank Watrous. 
R. 4 :104. 
1892. 
F. A. Huntley. 
R. 5 :41. 
1893. 
F. A. Huntley. 
R. 6:61. 
1894. 
F. A. Huntley. 
R. 7 :89. 
1905. 
P. K. Blinn. 
R. 18 :62. 
1896. 
P. K. Blinn. 
R. 9 :159. 
1897. 
W. F. Crowley. 
R. 10 :86. 
1898. 
H. H. Griffin. 
R. 11 :219. 
1899. 
H. H. Griffin. 
R. 12 :55. 
1900. 
H. H. Griffin. : 
R. 13 :141. 
1901. 
H. H. Griffin. 
R. 14 :42. 
1902. 
H. H. Griffin. : 
R. 15 :143. 
1903. 
P. K. Blinn. 
R. 16 :31. 
report of 
field agent. 
1904. 
P. K. Blinn. R. 17 :111. 
1905. 
P. K. Blinn. R. 18 :62. 
1906. 
P. K. Blinn. R. 19 :167. 
1907. 
P. K. Blinn. 
R. 20 :48. 
1908. 
P. K. Blinn. 
R. 21 :21. 
Arkansas Valley Sub-station, meteoro- 
logical observations. See Rocky Ford, 
meteorological observations. 
Army cutworm. See Cutworm, army. 
Army worm (Leucania unipuncta ) — 
notes. R. 6 :53, 1893. 
Arsenate of lead. See Lead arsenate. 
Arsenic — 
bran mash — 
for grasshoppers. B. 233 :15, 
1917. 
notes. B. 71:21, 1902; B. 114: 
29, 1906. 
effect on fruit trees. B. 131, 1908; 
B. 157, 1910. 
made soluble by alkalies. B. 131 : 
21, 1908 ; B. 157 :28, 1910. 
poisoning, systemic. B. 157 :42, 
1910. 
white, notes. B. 71:21, 1902; B. 
114 :28, 1906; B. 210:42, 1915. 
Arsenical — ■ 
poisoning of fruit trees — 
description. B. 131 :9. 1908 ; 
B. 157 :5, 1910. 
effect. B. 157 :14, 1910. 
Arsenical poisoning of fruit trees. W. 
P. Headden. B. 131, 1908. 
Arsenical poisoning of fruit trees. W. 
P. Headden. B. 157, 1910. 
Arsenite of lime. See Lime, arsenite. 
Arsenoid, green. See Scheele’s green. 
Artesian — 
water — 
brown, analysis. B. 230 :35, 
1917. 
San Luis Valley, analysis. B. 
230 :29, 1917. 
white, analysis. B. 230 :30, 
1917. 
wells — 
description. B. 16 :3, 1891. 
in Colorado. B. 16 :12, 1891. 
Denver basin. B. 16 :15, 
1891. 
San Luis basin. B. 16 :17, 
1891. 
irrigation from. B. 16 :6, 1891. 
Artesian wells of Colorado and their 
relation to irrigation. L. G. Carpenter. 
B. 16, 1891. 
Asclepias. See Milkweed. 
Asparagus — 
culture. B. 199 :4. 1914 ; B. 241 :12, 
1918. 
fungous disease of. B, 212 :14. 1915. 
notes. B. 172:4, 1910. 
rust (Puccinia asparagi ) — 
notes. B. 69:11, 1902; B. 212: 
14, 1915. 
Aspidiotus — 
ancylus. See Putnam scale. 
howardi. See Howard scale. 
perniciosus. See San Jose scale. 
Aster wilt (Pusarium.) B. 69 :12, 1902. 
Athysanus ornatus. B. 43 :29, 1898. 
Atmospheric evaporation. B. 1 :9, 1887. 
See also Meteorological observations. 
Atriplex argentea. See Saltbush. 
Australian saltbush, its cornposition and 
digestibility. Notes on Russian this- 
tle. W. P. Headden. B. 135, 1908. 
Avena elatior. See Oat grass, tall. 
Azotohacter — 
algae as a source of energy for. 
B. 184 :35, 1912. 
chrococcum — 
nitrogen fixation in soils. B. 
179 :32, 1911. 
Azusa hydrant — 
water measurement. B. 207 :12, 
1915. 
Babcock’s milk test. B. 20 :4, 1892. 
Bacteria, description. B. 196 :3, 1914. 
