6 DEPARTMENT OF AGRICULTURE BULS. 351-375. 



Department Bulletin No. 364. — Forest Conservation for States in the 



Southern Pine Regions — Continued. Page. 



State-owned forests 8 



Legislation 9 



How the Federal Government will aid 12 



Literature 14 



Publications of the United Sta^tes Department of Agriculture relating to 



the consgjyation of forests 14 



Department otlletin No. 365. — Larkspur Poisoning of Live Stock: 



Introductory 1 



Experimental work 28 



Results and conclusions 59 



General summary 84 



Literatul-e cited in this paper 87 



Index to species of plants 91 



Index to experimental feeding of animals 91 



Department Bulletin No. 366.' — Manufacturing Tests op Cotton Fumi- 

 gated WITH Hydrocyanic-acid Gas: 



Introduction 1 



Spinning tests 1 



Chemical laboratory tests 7 



Conclusion 12 



Department Bulletin No. 367. — Carrying Capacity op Grazing Ranges in 

 Southern Arizona: 



Introduction 1 



Climatic conditions 6 



Character and distribution of forage 9 



Nature and rate of the recovery 16 



Carrying capacity 18 



The most important factor governing possible improvement of the range. . . 22 



Hay-cutting operations 23 



Grazing experiments 28 



Miscellaneous notes 33 



-, Future investigations 36 



Summary and conclusions 36 



List of publications relating to this subject 40 



Department Bulletin No. 368. — Brown-rot op Prunes and Cherries in 

 the Pacific Northwest: 



Introduction 1 



Blossom infection of prunes 2 



Spraying experiments 4 



Fruit rot of prunes 5 



Summary and conclusion for prunes 8 



Blossom infection of cherries 9 



Brown-rot of cherries 9 



Summary and conclusion for cherries 10 



Department Bulletin No. 369. — Bacteria in Commercial Bottled Waters: 



Introduction J 



Significance of bacteria in potable waters 2 



Inspection of springs. 3 



Examination of commercial bottled waters 4 



Conclusions 6 



Tabulated data 7 



Publications of United States Department of Agriculture relating to bac- 

 teriological studies 14 



Department Bulletin No. 370.— The Results of Physical Tests of Road- 

 building Rock: 



Introduction 1 



Agencies causing road deterioration 2 



Factors influencing the selection of rock for road building 2 



Physical properties of road-building rock 3 



Variations in results of tests 5 



Interpretation of results of physical tests 9 



Table IV. — Geographical distribution of samples tested 12 



Table V. — Results of physical tests of road-building rock 13 



