1052 



AGRICULTURAL INDEX 



Spring beauties 

 Nature's diary. A. B. Klugh. il Farmer's 

 Advocate 55:818 Ap 29 '20 

 Spring canker worms. See Canker worms 

 Spring grain aphis 

 Green-bug infestation endangers wheat in 



Texas. Weekly N L, 8:5 Mr 2 '21 

 Green-bug or spring grain-aphis. W. R. Wal- 

 ton, il map Farmers' B 1217:1-10 '21 



Spring houses 

 Spring house. I. D. Wood. Country Gent 85: 



2(5 X 27 '20 

 Spring weatlier. ."\Irs F. H. Unger. Rural N T 



80:656 Ap 30 '21 

 Spring v/heat crop improvement association 

 Association advertises to get more spring 



wheat planted. Printers' Ink (185 Madison 



av, X.Y. lOc^ 110:141-2^ F 2G '20 

 Springfield market gardeners' association 

 Springfield, Mass., association. G: W. Porter. 



Market Growers J 26:344 My 1 "20 

 Springs 

 How to harness open springs. H. E. Cox. 



Rural N Y 80:523 Ap 2 '21 

 Springs (mechanism) 



Care of automobile springs. H. A. Von Xieda. 



il Power F 28:45 F '19 

 Clamping a spring. Country Gent 85:38 F 



28 '20 

 Repairing vehicle springs. J. F. Hobart. 



Country Gent 84:22 S 13 '19 

 Springtails 



Insects in a well. G. W. Herrick. il Rural 



X Y 79:1698 X 6 '20 

 X'ew species of friesea (collembola). C: Mac- 



Xamara. Can Entom 53:126-9 Je '21 

 Sprinkling sewage filter flies 



Practical application of the methods recently 



discovered for the control of the sprinkling 



sewage filter fly. T: J. Headlee. il J Econ 



Entom 12:35-41 F '19 

 Sprinkling sewage filter fly. T: J. Headlee 



and C: S. Beckwith. N J Ag Exp Rep 



1918:214-21 '19; Same cond. J Econ Entom 



11:395-401 O '18 

 Spruce 

 Choice of species for use in plantations of 



pulp and paper companies in the North. H. 



B. Shepard. J For 19:519-25 My '21 

 Danger to sitka spruce irom chernies coolevi. 



A. Henry Gard Chron (Lond) 68:242 'x 



13 "20 

 Demobilizing equipment of spruce production 



division, il Eng X'ews- Record (10th av at 



36th St, X.Y. 20c) 82:967-9 My 15 '19 

 Development of the aircraft spruce industrv. 



L. K. Hodges, il Automotive Industries (231 



W. 39th St. N.T. 15c) 39:1037-40. 3100-1 D 19- 



26 '18 

 Diameter growth in box elder and blue 



spruce. C. F. Korstian. bibliog il Bot Gaz 



71:454-61 Je '21 

 Emergency seasoning of Sitka spruce. L. A. 



Welo. Sci Am Sup (233 Broadway, X.Y. lOo 



87:404 Je 28 '19 

 Filling the allies' rush order for airplane 



spruce. N. A. Bowers, il Eng Xews-Record 



(10th av at 36th st, X.Y. 20c) 81:1023-31 D 



How to distinguish Douglas fir from Sitka 



spruce lumber. Am Architect (243 W. 39th 



st, X.Y. 25c) 116:327 S 3 '19 

 Investigation of the compressive strength of 



spruce struts of rectangular cross section 



and the derivation of formulas suitable for 



use in airplane design. J. E. Boyd. (Tech. 



papers no. 152) 43p 10c '20 U.S. Bur. of 



standards, Washington, D.C. 

 Knot zones and spiral in Adirondack red 



spruce. E: F. McCarthy and R. J. Hovle. il 



•J For 16:777-91 X '18 

 Motor trucks and plank roads help to get out 



airplane spruce, il Eng Xews-Record (10th 



av at 36th st. X.Y. 20c) 81:1164-6 D 26 '18 

 On the dying-off of spruce (picea excelsa) 



in the Arve valley (Cheddf and Chamonix). 



L,. Mangin. Int R Sci & Prac Ag 10, no 4: 



488-91 Ap '19 



Picea glehnii. Masters, il Gard Chron (Lond) 



67:89 F 21 '20 

 Rate of development of the cones of the 



Xorway spruce. J. B. Hill, il Am For 27: 



256 Ap '21 

 Results of cutting at Xe-ha-sa-ne park, in 



the Adirondacks. B. A. Chandler. J For 17: 



378-85 Ap '19 

 Silvical systems in spruce in northern Xew 



Hampshire. E: R. Linn. J For 16:897-908 D 



'18 

 Sitka spruce. Gard Chron (Lond) 65:176 Ap 



12 '19 

 Spruce and its future. L. K. Hodges. il 



Overland (259 Minna st, San Francisco 



10c) n s 73:95-103 F '19 

 Trees and shrubs; picea albertiana. Gard 



Chron (Lond) 69:223 My 7 '21 

 See also Abietineae 

 Spruce budworms 



Report on the spruce budworm. M. W. Black- 

 man. lOp '19 Maine Forestry dept.. Augusta; 



Abstract. Maine Ag Exp B 284:301-3 '19 

 Spruce budworm. E. McDaniel. il Mich Ag 



Exp Quar B v 3:13-14 Ag '20 

 Squabs. See Pigeons 

 Squash borers 



Getting ahead of the squash-vine borer. 



G. W. Herrick. Rural N Y 78:963 Je 14 '19 

 Squash bugs. See Cucurbits — Diseases and 



pests 

 Squashes 



Experiences with squash; symposium. Mar- 

 ket Growers J 24:411+ .Je 15 '19 

 Grow more squash. J. L. Stahl. Western 



Wash Ag Exp B v 7:5-6 My '19 

 Home garden; melons, cucumbers and 



.squashes, il Country Gent 86:38 Ap 30 '21 

 How I grew those squashes. G. M. Twitchell. 



Rural N Y 80:12 Ja 1 '21 

 Squashes and pumpkins. X Y Farms & Mar- 

 kets Dept Ag B 110:289-91 Ag '18 

 Twelve years' work in the selection of the 



delicious squash. C. H. Smith. Minn Hort 



49:81-2 Mr '21 

 Vegetable gold-mine. R. F. Dahlgren. il 



Good Housekeeping (119 W. 40th st, N.Y. 



20c) 70:50 F '20 



Breeding 



Plant breeding as applied to vegetables. J: 

 W. Bushnell. il Minn Hort 49:65-8 Mr '21 



Diseases and pests 

 Fighting the squash stinkbug. G. W. Herrick. 

 il Rural N Y 78:806 My 10 '19 

 .See also Squash borers 



Varieties 

 Breeding Hubbard squashes. J: W. Bu.*hnell. 

 il Market Grower.s J 28:210 Mr 15 '21 

 Squaw root. See Blue cohosh 



Squills ^ ^ 



Bulb garden; striped squill. S. Arnott. Gard 



Chron (Lond) 69:222 My 7 '21 

 Scilla lilio-hyacinthus; scilla italica. S. 



Arnott; R. P. Brotherston. Gard Chron 



(Lond) 67:255 My 22 '20 



Squirrels ., ^ 



Bobby, the begger. J. H: Thompson, il Coun- 

 try Life 40:80 Je '21 

 California gray squirrel an enemy to the 



Douglas fir. J. H. Bowles. Am For 26:26 Ja 



'20 

 Four-footed foresters — the squirrels. R. W. 



Shufeldt. il Am For 26:37-44 Ja '20 

 How Tulare squelched the squirrels. D. J. 



Whitney. Pacific Rural Press 99:76 Ja 17 '20 

 Kill the squirrels. Cal Cultivator 54:48 Ja 10 



•20 

 Nature's diary; red squirrel. A. B. Klugh. 



il Farmer's Advocate 56:1444, 1480, 1518 S 



22-0 6 '21 

 Skunks and squirrels. Successful F 19:146 Ja 



'20 

 Squirrel poisoning and birds. E. W. Xelson. 



Breeder's Gaz 77:1522 Je 3 '20 

 Sulphur kills squirrels. Pacific Rural Press 



100:608 X 6 '20 



