INDEX. 



21 



Bulle- 

 tin No. 



Sakellaridis cotton, notes 332 



Sula, spp., occurrence in Porto Rico, habits and food 326 



Salt River Valley, production of Egyptian cotton 332 



Sanderling, occurrence in Porto Rico, notes 326 



Sandpipers, occurrence in Porto Rico, variant names, habits, and! QQfl J 



food J ^ b t 



Saurothera vieilloti, occurrence in Porto Rico, habits and food 326 



Scapteriscus didactylus, bird enemies in Porto Rico 326 



Scarlet fever, destruction of germs by pasteurization, note 342 



Sclerotinia fructigens, injury to fruit in transit 331 



Scofield, C. S., and others, bulletin on "Community production 



of Egyptian cotton in the United States " 332 



Sea-island cotton, sources, production and length of staple 332 



Secale cereale. See Rye. 

 Seeding — 



raisins, practices and equipment 349 



winter wheat, rate, tests at Arlington experiment farm 336 



Seeds, drupe frv.its, oil yield, nature 350 



Seepage, irrigation water, investigations in Idaho 339 



Sedimentary rocks, nature and value for road building 348 



Sciurus, spp., occurrence in Porto Rico, habits and food 326 



Sericotes holosericcus holosericcus, occurrence in Porto Rico, habits 



and food 326 



Serum, anthrax — 



administration, directions and suggestions 340 



concentration, remarks 340 



potency test ." 340 



production processes 340 



standardization 340 



tests 340 



Setophaga ruticilla, occurrence in Porto Rico, habits and food 326 



Share cropper, use of term 337 



Share-renting system, practice in Yazoo-Mississippi Delta 337 



Shasta red fir, range, characteristics and growth habits 327 



Sheepy- 



raising in Chester County, Pa., status 341 



use in production of anthrax serum, caution, etc 340 



vaccination against anthrax, caution 340 



vaccination against anthrax, test of simultaneous method 340 



Sherwood, S. F., and others, bulletin on "Development of sugar 



and acid in grapes during ripening" 335 



Shoveler, occurrence in Porto Rico, note 326 



Silage- 

 production and utilization, Chester County, Pa 341 



yield, relation to farm tenure, Chester County, Pa 341 



Silver fir. See White fir. 



Simulium, genus, carriers of disease, investigations 329 



Sirup, cherry, production method and nature 350 



Siskin, red, occurrence in Porto Rico, note 326 



Sitka spruce — 



pulp, experiments and tests 343 45, 



region of production, map 343 



"Skunk spruce. " See White spruce. 



Snipe, Wilson's, occurrence in Porto Rico, food habits 326 



Snyder, Thomas E., bulletin on "Termites, or 'white ants,' in the 



United States: Their damage, and methods of prevention" • 333 



Soil, mixture for blueberry propagation 334 



Soils — , 



irrigation — 



requirements, investigations in Idaho 339 



requirements, variations 339 



raisin- vineyard, requirements and preparation 349 



Sparrow, Santo Domingan, occurrence in Porto Rico, variant names, 



habits and food 326 



Vage. 



3 

 18-19 



6 



43 



41-42 



43-44 



58-59 



9-10 



2 



4 



1-30 

 2 



14-15 



24-26 



2 



47-52 



17-19 



99-101 



71-72 



11-12 



15-16 



7-8 



4-7 



7-8 



9-10 



98-99 

 1,6 

 6,7 



38-42 



48-49 



4-7 

 11 

 13 



1-28 

 29-30 



92-93 

 73 



28-34 



22-23 



129 



] 17, 143 

 52 



44-45 



1-32 

 5-6 



2-58 



19-20 



5-6 



127-129 



