CONTENTS, 



Page. 



Introduction '^ 



Free ranges 8 



Overstocking the range 9 



Investigation of grazing problems 10 



Destruction of grasses l>y animal pests 14 



Deterioration through increase of weeds 15 



Prickly pear 15 



Mesquite bean 18 



Renewing the cattle ranges 19 



Rest versus alternation of pastures 21 



Additional aids to range improvement 22 



Stack silage .' - 23 



Hay 26 



Water 26 



Grazing regions in Texas and New Mexico 27 



The coastal prairies 28 



The cactus plains 33 



The middle plains 36 



The gran ite region 37 



The red prairies 37 



TheStaked Plains 40 



The Pecos Valley 42 



Relation of land laws to range; improvement 43 



llenetits of improving the ranges 45 



ILLUSTRATIONS. 



Fig. 1. Bunch salt-grass (Spartina jiimiformis) 30 



2. Torr(!y's sedge-grass (Andropotjon sacvharoides torrei/onun) 31 



3. Bur-grass ( Cenchrus iribuloidcs) 33 



4. Seed mesquite (Boutelona texana) 31 



5. Rescue grass {Bromus nnioloides) 36 



6. Needle grass (Arixtida faxciciilata) 3S 



7. Black grama {Hilaria mutlca) 39 



8. Curly iiies(iuite ( Hilaria eencliroides) 40 



9. Woolly-foot {BoKteloiia eriupoda) 43 



6 



