92 BULLETINS OF TPIE BUREAU OF PLANT INDUSTRY. 



Bulletin. Page. 



Soy bean in Nebraska - 59 49 



varieties, buUetin 98 1-30 



Spain, agricultural conditions 27 19-22 



almond industry 26 9-13 



Spanish almonds and their introduction into America, bulle- 

 tin 26 1-16 



Spartina, North American species, bulletin 9 1-16 



Speedwell, corn, description of seeds 84 36-37 



Spermatids, metamorphosis, in Zamia 2 48-50 



Spermatog-enesis and fecundation of Zamia, bulletin 2 1-100 



bibliography 2 * 87-92 



summary 2 81-86 



of pteridophytes, cycadaceous plants, and 



Ginkgo, literature 2 7-12 



Spermatozoids, movement, in Zamia 2. 54-63 



structure and form, in Zamia 2 50-54 



Spillman, William Jasper, paper entitled "Extermination of 



Johnson grass" 72 15-22 



Spinach, varieties 21 335—340 



Spore formation, general considerations 37 28-36 



historical review of experiments 37 9-14 



methods used in experiments 37 14-15 



Phycomyces nitens, bulletin 37 1-40 



Rhizopus nigricans, bulletin 37 1-40 



Spraying cranberries with Bordeaux mixture, cost and recom- 

 mendations .... 100 11-12 

 importance " of 

 early applica- 

 tions 100 9-10 



results 100 8-9 



effect on apple diseases 93 15-30 



experiments in 1905, cranberry, paper 100 7-12 



Squash, varieties ."^. 21 341-352 



Starch, potato 87 9-10 



States, Northwestern, grasses and forage ])lants, bulletin 38 1-52 



Southwestern, date palm introduction, bulletin 53 1-155 



Stipa robusta in Nebraska 59 42 



Stock food, prickly pear and other cacti, bulletin 74 1-48 



live, improvement in Washington State 75 24 



raising in Alaska 82 21-25 



ranges of northwestern California, bulletin 12 1-81 



Stockberger, Warner W., paper entitled " The drug known as 



pinkroot" 100 41-44 



Storage and germination of wild rice seed, paper 90 5-14 



apple, experiments 48 15-62 



cold, apple, bulletin 48 1-66 



avocados 77 40-41 



function 40 9-10 



importance of good fruit 48 26 



influence on peach indvistrj^ 40 23 



pear industry 40 11 



peach and pear, bulletin 40 1-28 



difficulties 40 23-24 



experiments 40 24-26 



pear, behavior on removal 40 20-21 



difficulties 40 11-12 



experiments 40 12-22 



influence on flavor and aroma 40 18-19 



temperatures 48 21-22 



warehouse, function 48 12-13 



warehousing industry, extent 48 10-12 



varieties of apples stored, comparison 48 33-34 



fruit, purposes 40 10-11 



Strontium salts and oxalates, action on animals 45 67-68 



in place of calcium salts 45 46-49 



101 



