AGRICULTURAL INDEX 



889 



Spirogyra — Continued 



Cross-conjugation in spirogyra Weberi. B. 



Cunningham, il Bot Gaz 66:272-3 S '18 

 Nuclear division of spirogyra. M. L. Merri- 



man. bibliog il Bot Gaz 61:311-24 Ap '16 

 Peculiar effects of barium, strontium, and 

 cerium on spirogyra. S. S. Chien. Bot Gaz 

 63:406-9 My '17 

 Sexuality of filament of spirogj'ra. B. Cun- 

 ningham, bibliog il Bot Gaz 63:486-500 

 Je '17 

 Specific action of barium. W. J. V. Osterhout. 

 Am J Bot 3:481-2 N '16 

 Splachnidium 



Contribution to our knowledge of splach- 

 nidium. M. L. Roe. bibliog il Bot Gaz 62: 

 400-8 N '16 

 Splicing. See Knots and splices 

 Spode, Josiah, 1754-1827 



Porcelains of Josiah Spode. W. A. Dyer, il 

 Country Life 33:74 D '17 

 Spokane interstate fair 



Spokane interstate fair. Breeder's Gaz 72:452 

 S 20 '17 

 Spondylocladium atrovirens. See Potato silver- 

 scurf 

 Spongospora. See Potato powdery scab 

 Spontaneous combustion 

 Apparatus to prevent spontaneous combustion 

 of hay ricks. E. Fordi. il Int R Sci & Prac 

 Ag 8,no 9:1279-80 S '17 

 Spontaneous combustion. Hoard's D 55:432 Mr 



29 '18 

 Spontaneous combustion as a cause of fires. 



A. R. Lamb. la Ag EIxp C 36 4p '17 

 Spontaneous combustion in clover and alfalfa. 



Rural N Y 76:1105 S 22 '17 

 Spontaneous heating of a heap of oats. Int R 

 Sci & Prac Ag 7,no 2:294 F '16 

 Sporangia 



Ginkgo and the microsporangial mechanisms 

 of the seed plants. E: C. Jeffrey and R. E. 

 Torrey. il Bot Gaz 62:281-92 O '16 

 Sporelings. See Sporophytes 

 Sporophytes 

 Prothallia and sporelings of three New Zealand 

 species of lycopodium. C: J. Chamberlain, 

 bibliog il Bot Gaz 63:51-65 Ja '17 

 Sporotrichum 



Sporotrichum globuliferum Speg., a natural 

 enemy of the alfalfa weevil. L. P. Rock- 

 wood. J Econ Entom 9:493-9 O '16 

 Sports 



Heard in the locker room. H. Reed, il Coun- 

 try Life 30:48-9 My '16 

 Sports for Maryland country boys and girls. 

 W. Adler. il Country Gent 81:1584 Ag 26 '16 

 Washington's country life. H. Brooks. il 

 Country Life 34:40-6 S '18 



See €1180 Amusements; Games; Horse rac- 

 ing 

 Spotted fever ticks 



Experiments in the use of sheep in the erad- 

 ication of the Rocky Mountain spotted fever 

 tick. H. P. Wood. U S Ag B 45:1-11 '13 

 Some results of two years' investigations of 

 the Rocky Mountain spotted fever tick in 

 eastern Montana. R. R. Parker. J Econ 

 Entom 11:189-94 Ap '18 

 Spray mixtures. See Spraying materials 

 Spraying, Cooperative 



Cooperative spraying of potatoes. W. B. 

 Cookingham. il Country Gent 83:34 Ap 20 

 '18 

 Spraying and dusting 



Arsenical residues after spraying. W. C. 

 O'Kane and others, bibliog il N H Ag Exp B 

 183:1-62 '17 

 Dust spray vs. wet spray. O Judd Farmer 63: 



7 D 1 '17 

 Dust spraj's in the home garden. E. I. Far- 



.rington. il Country Life 31:106 F '17 

 Dusting and spraying nursery stock. V. B. 

 Stewart, il Cornell Ag Exp B 385:337-61 '17; 

 Same. Cornell Ag Exp Rep 1917:337-61 '18 



Dusting nursery stock for the control of leaf 



diseases. V. B. Stewart, il Cornell Ag Exp 



C 32:1-10 '16; Same. Cornell Ag Exp Rep 



1916:la-10a '17 



Further report on the value of dusting versus 



spraying to control fruit tree insects and 



fungus diseases. L. Caesar. (7m Report, 



Entom. Soc. of Ontario, 1917, p. 79-85) '18 



Ontario ag. dept., Toronto 



Gaiden and small-fruit insects; with notes on 



spraying in general. A. G. Ruggles and S. A. 



Graham, il Minn Ag Ext Spec B 29:1-32 '18 



Getting ready to spray. I. G. Shellabarger. 



Ohio F 139:151 F 3 '17 

 How the Ridge sprayed its trees. D. C. Weld, 

 jr. il Gard M 22:191-2 Ja '16 



Insect enemies of shade trees and shrubs; 

 spravs and spraying apparatus. M. W. 

 Blackman and W. O. Ellis. N Y State Coll 

 For B V 16, no 26:113-23 '16 

 Is spraving dangerous? H. A. Gossard. Ohio P 

 139:554 Ap 14 '17 



Let us spray; production may be increased 

 enormously by controlling insects and dis- 

 ease. Nat Stock & F 42:176 My 11 '18 



Miscellaneous notes on economic work; or- 

 chard and shade tree insects, spraying, 

 truck and field crops. A. G. Ruggles. {In 

 Report State entomologist, 1915-1916, p. 59- 

 64) '16 Minn. ag. exp. station, St Paul 



New kink.s in spraying. P. J. Parrott. il O 

 Judd Farmer 62:3 F 10 '17 



Power sprayers combat gypsy and browntail 

 moths. W: A. Colton. il Am City (Tribune 

 bldg., N.Y. 35c) 17:428-9 N '17 



Problems connected with the treatment of 

 fungous diseases by spraying. E. S. Salmon 

 and J. V. Eyre. Gard Chron (Lond) 60:229 

 N 11 '16 



Progress in insect control; with discussion. 

 H. F. Wilson. Wis Hort Soc Rep 48:192-200 

 •18 



Solid-stream spraying against the gipsy moth 

 and the brown-tail moth in New England. 

 L. H. Worthley. il U S Ag B 480:1-15 '17 



Some aspects of spraying against pests. A. H. 

 Lees. Royal Hort Soc J 42.pts 2-3:213-28 

 S '17 



Spraying. C. A. McCue. Prac F 112:56 F 1 '16 



Spraving and spray mixtures. H. J. Darwent. 

 J Dept Ag S Australia 21:830-2 My '18 



Spraying for insects. Prac F 112:84 F 15 '16 



Spraying manual. Ark Ag Ext 16p '16 



Spraving program for 1917. A. Frank. West- 

 ern Wash Ag Exp B v 4:13-19 Mr '17 



Spraying treatments for insects. Prog F 32: 

 207 F 17 '17 



Spraying work of this season. J. J. Levison. 

 il Am For 23:236-7 Ap '17 

 /Sprays and spraying. F. B. Paddock, il Tex 

 ' Ag Exp B 187:1-36 '16 



Work for Mav with orchard and truck crops. 

 L. A. Niven. Prog F 33:560 My 4 '18 



See also Fruit — Diseases and pests; Fruit 

 culture; Nozzles; Spraying materials; Vege- 

 tables — Diseases and pests 



Apparatus and equipment 



All kinds of spray pumps. W. C. O'Kane. il 



Country Gent 83:6 Ja 19 '18 

 Buying the sprayer. D. W. LeGore. il Fruit- 



Grower 27:198 Mr 15 '16 

 Discussion ot the spray-gun. Rural N Y 77: 



994 Ag 24 '18 

 Economy in equipment. J. G. Boyle, il Fruit- 



Grower 27:41-2 Ja 15 '16 

 Effective spraying machinery. J. R. Wooden. 



Rural N Y 75:385 Mr 4 '16 

 Engine equipped iield sprayer, il Farm Eng 



5:9 S '17 

 Farm spraying outfit. W. W. Magill. il Purdue 



Ag 11:14-15 Ap '17 

 Homemade automobile power sprayer. N. E. 



Booth. Rural N Y 76:452 Mr 24 '17 

 Homemade spraygun. Rural N Y 77:954 Ag 



10 '18 

 Information for fruit growers about insec- 

 ticides, spraying apparatus, and important 

 , insect pests. A. L. Quaintance and E. H. 

 ^ Siegler. il Farmers' B 908:1-99 '18 



