INDEX, 



27 



Porthetria dispar. See Gipsy moth. 

 Poverty grass — 



analysis. 



description, habitat, and value 



Prickly pear — 



diseases, prevalence in southern Texas 



growing at San Antonio, Tex., planting, yields, etc 



harvesting dates, and yields at Brownsville, Tex., 1912, 

 1913 



native vields in southern Texas, bulletin by David Grif- 

 fiths 



planting and cultivation 



yields, conditions affecting 



Privet, swamp — 



description, occurrence, and propagation 



value as duck food 



Protractor, field, description and use in recording date leaf 



characters 



Pteromalus egregius, note 



Puccinellia airoides, habitat, value, and analysis 



Puldoo grass, description, propagation, value 



Quarantine, gipsy-moth in New England 



Rabbit brush, value in crowding out snakewood on range lands 



Ranchmen, work on southwestern range •. 



Range — 



arid Southwest, reserve feed for dry seasons, management 



breeding stock on, need of better management 



control, need 



lands — 



fencing, need, and advantages 



New Mexico, control by stockmen, practices 



water development, practices, importance, and sug- 

 gestions 



management — 



New Mexico, details * 



New Mexico, factors affecting, bulletin by E. O. 



Wooton 



overstocking, preventive measures, discussion 



plants, undesirable, occurrence and distribution in New 



Mexico 



productivity, reduction by close pasturing, studies 



summer feed, utilization, management 



Ranges lands, improvement, discussion 



Red cedar, mountain — 



description and characteristics 



durability of wood 



occurrence and growth habits ! . 



Reed grass, purple panicled, habitat, value, and analysis 



Rennet, influence on alcohol test with milk 



Reseeding, range lands, management and suggestions 



Road — 



Appian Way, construction, dimensions, age, etc 



drag, construction and use 



dragging, cost per mile 



graders, description and operation 



machinery, descriptions 



models — 



bulletin by Roads Office 



exhibits at various expositions, 1909-1915 



roller, steam, invention, and value 



Bulletin. 



201 

 201 



9 

 9 



208 



208 



6-8 

 7-10 



208 



5 



208 

 208 

 208 



1-11 



2-3, 7, 9-10 



10-11 



205 



205 



' 12-13 

 12 



223 

 204 

 201 

 205 



13 



11 



41 



16-19 



204 



29-30 



211 

 211 



23 

 26-27 



211 

 211 

 211 



30 

 34-35 

 27-37 



211 

 211 



/ 27-30, 



\33-35, 36, 37 



16-20 



211 



30-32 



211 



26-36 



211 

 211 



1-39 

 27-30 



211 

 211 

 211 

 201 



23-25 

 29 



29-30 

 2-3 



207 

 207 

 207 

 201 

 202 

 211 



18-19 

 19 



19-20 

 17 



14-15 



32-33 



220 

 220 

 220 

 220 

 220 



2-3 



11 



11 



24 



22-24 



220 

 220 

 220 



1-24 



1-2 



22 



