18 DEPARTMENT OF AGRICULTURE BULS. 751—1775. 
Poisoning, live stock, by oak leaves, bulletin by C. Dwight Marsh, 
A. B. Clawson, and Hadleigh Matehy: yee beth Oleg 
Polypogon spp., description, distribution, and uses...............- 
Ponitia rapae, control by Compsilura concinnata.............-.---- 
Poplar— 
consumption for pulp wood, notes and statistics..............- 
yellow, lumber production and value, by States.............. 
Eoretpineprass, descriptions: se, kiss -Aaleree deye sia, Dope Ee 
ork production onvinicatedamdge.: 2. openness suai) ea aa 
Potatoes— 
teed, for hogs on alfalfa pasture, results-.2..2.2.0).5.2.-2...2. 
erowine, date of various operations 1n North Dakota............ 
North Dakota, acreage, 1910-1915.....-..........- Kase nats ancl 
Prices— 
farm, of oats, variations and regional differences...............- 
items of cost in production of grain, 1911-1917, compariscns. ... 
oats— 
soeeyn phases of farm prices, bulletin by L. B. Zapo- 
zone flexibility and sectional changes, retrospect, 1871— 
‘Prunes, injury by mealy jplumiaphis jose eet ee) se 
Pseudoweziza spp.— 
cause of Jeaf-spot disease of alfalfa and red clover, bulletin by 
MredwReuelVOMes erga cae wc ce. SRM Leia ee ere eee 
characteristics, synonomy, morphological studies...........--- 
Puccinellia spp., description, distribution, and uses........------- 
Pulp wood— 
consumption in 1917, and wood pulp production, bulletin by 
Hrainlkdbimelae i Sim lasee eae Sec Ae ee Voce ae ee 
costs of wood, and range of prices, condition, by species, etc-. 
hauling, distance, byiStates jo... AGRE RO NS ct it eae 
imports Ci CS SEATS aA Ee PGR Sabet RAT gan G ea Pa aN An os 
Statistics OOO LOM ee aise ey ora 1a) 2) IU Res ae AL NE Rag 
Purple-top grass, description, distribution, ANG PUSeg ee Nau e ie ae 
Pyrethrum— 
effect of storage, heat and moisture, bulletin by W. S. Abbott.. 
exposure to heat and moisture, effect, tests. ...-...--....--.-- 
powder, testing methods. ...... “ho .o SEE AT Ae SN ea Spa 
Storacemeliecttestse: soe eles oy. :.. een yin se Caer ete 
Quackvorassctechmical desentpiionei 4). eae aane ee eerie sere 
Quaking grass, description, distribution, and uses..-........--.---- 
eta 
Rape, oil, uses, and importations, 1916-1917_..-.- 22-2... 222.222 
Rapeseed of, production, imports and exports, 1912-1918.....-....- 
Rations, cattle—- 
EA Weloby ore, Eierrakerey Claw hyl 6 COB eee eee see ed Mapete ns espa 
feeding, use In comparison experiments.-........-.----------- 
Recipe, bran bread. .......----- Ce), epee eb ha 
Reclamation projects, pasturing hogs on irrigated crops, experi- 
ments bullet: by ey Warrellsc.. - eee cus amet ae cee 
Redfieldia spp., description, Ge uebovion, STGGUSES Se oyna enone ae 
edo, les crt pLion vam (Uses see «eee eee ete ee ae eter 
Reed, host of the mealy plum Sphis RR ase ties etal ata PO aes ee 
Reeds, description, distribution and uses...........---. Sa eee age 
Builetin 
No. Page. 
767 1-36 
14, 137- 
7724 139, 288 
766 
3,5,9, 
758 10, 11,14 
768 26,38, 43 
772 160, 161 
752 1-4, 35-87 
752 «18-19 
757 25-26 
757 6,8 
7B 2 
757 83-85 
755 1-28 
755 11-12,13 
774 1, 2,10, 15 
759 1-38 
759 5-19. 
11, 36, 
7724 38, 39 
758 1-19 
758 4-6, 11-14 
7s Wants 
758 7,17 
758 9-15 
77% 16,77 
771 1-7 
771 2-3 
771 iG 
771 gis 
TID) ie 
772, 10,45, 46 
767 7-21 
767 «21-29 
769 30 
769 3.4.5 
7613-4, 11 
5. ls 
762) 19-20, 
27-28 
762 “9 
752 1-37 
772, 10,54-56 
772, 128-129 
768 24,38. 40 
774. 9,10, 16 
772 60-85 
