50 
Colorado Experiment Station 
I’liosphorus compounds in soils. B. 
196:35, 1914. 
Phoxopteris fragariae. See Strawberry 
leaf-roller. 
Phrag mites communis. See Reed grass. 
Phthorimaea operculella. See Potato- 
tuber moth. 
Phyllotreta albionica. See Cabbage flea- 
beetle, Colorado. 
Phytoptus. See Plum-leaf nail-gall. 
Phytoptus pyri. See Pear leaf-blister. 
Picea— 
Englemanni. See Spruces, Engle- 
man. 
jmrryana. See Spruces silver. 
Pickles shipped into Colorado in 1909. 
B. 153:21, 1910. 
Pieris — 
protodice. See Cabbage butterfly, 
southern. 
rapae. See Cabbage butterfly, im- 
ported. 
Pigs — 
alfalfa for. B. 74 :5. 1902 ; B. 
188 :11, 1913. 
barley for. B. 188 :11, 1913. 
best breeds for Colorado. B. 146 :5, 
1909. 
boar, feed and management. B. 
146 :11, 1909. 
feeding at Colorado Experiment 
Station. B. 146 :18, 1909. 
feeding experiments. B. 40 :18, 
1897; 1900/1, B. 74:24, 1902; 
B. 74:11, 1902; 1906/8. B. 165 
1910 ; B. 188 :3, 1913. 
feeds for. B. 146 :20, 1909. 
grain rations for. B. 74 :9, 1902. 
growing, feed and management. B. 
146 :16, 1909. 
necrobacillosis. See Pigs, sore 
mouth. 
raising in Colorado. B. 146, 1909. 
raising on the plains. P. B. in B. 
123:18, 1907. 
roughage or roots added to ration. 
B. 74 :24, 1902. 
selection for breeding. B. 146 :9 
1909. 
shelter for. B. 146:30, 1909. 
sore mouth disease of (Necrobacil- 
losis.) B. 137:3, 1909. 
small grain vs. corn for. B. 74 :9, 
1902. 
sow, feed and management. B. 
146 :13, 1909. 
sugar beets for. B. 74 :8, 1902. 
sugar beet products and grains. 
B. 74:14. 1902. 
Pigs (Continued) — 
sugar beet pulp for. B. 74 :5, 1902. 
warm water vs. cold water for. B. 
75:28, 1902. 
Pine-leaf scale (Chionaspis pinifoliae.) 
remedies. B. 47 :36, 1898. 
Pines — 
black. See Pines, lodge pole, 
bull (Pinus scopulorum.) B. 130 : 
16, 1908. 
foxtail (Pinus aristata.) B. 130 :14, 
1908. 
hickory. See Pines, foxtail, 
limber. See Pines, white western, 
lodge pole (Pinus murrayana.) B. 
130:19, 1908. 
distribution in Colorado. B. 
224:53, 1917. 
relation to agriculture. B. 
224 :54, 1917. 
temperature and precipitation 
for. B. 224 :55, 1917. 
pinon (Pimis edulis. Caryopzys 
edulis ) — 
description. B. 130 :25, 1908. 
distribution in Colorado. B. 
224 :46, 1917. 
rock. See Pines, bull, 
varieties. B. 130:14, 1908. 
white western (Pinus flexilis. Api- 
nus flexilis.) B. 130:16, 1908. 
yellow — 
distribution in Colorado. B. 
224 :49, 1917. 
precipitation and temperature 
for. B 224 :51, 1917. 
relation to agriculture. B. 224 : 
51, 1917. 
See also. Pines, bull. 
Pinon nut pine. See Pines, pinon. 
Pinus — 
aristata. See Pines, foxtail. 
edulis. Pines, pinon. 
flexilis. See Pines, white western. 
murrayana. See Pines, lodge pole. 
scopulorum. See Pines, bull. 
Pisum arvense. See Peas, field. 
Plagiodera scripta. See Cottonwood leaf 
beetle. 
Plains lands — 
acclimated seed. P. B. 34, 1907; 
Same. B. 123:12, 1907. 
adobe building. B. 174, 1910. 
advice to settlers. P. B. 46, 1907 ; 
Same. B. 123:4, 1907. 
cattle raising on. B. 87, 1904 ; B. 
189, 1913. 
climate and topography. B. 214 :3, 
1915. 
crops for. P. B. 18, 1903; B. 123:6, 
1907. 
