668 



AGRICULTURAL INDEX 



Lepidoptera — Continued 



Lepidoptera at light trapa W. B. Turner. J 

 As Research ]8:175-S1 F 2 '20 



Nervous system of the larva of sthenopia 

 thule Strecker; comparative studies of the 

 larval nervous system in lepidoptera. J. M. 

 Swaine. il Can Entom 53:29-34 F '21 



Notes on a collection of Labrador lepidoptera. 

 J. McDunnough. il Can Entom 53:81-7 Ap 

 ■21 



Selection of food-plants by insects, with 

 special reference to lepidopterous larvae. 

 C: T. Brues. Am Nat 54:313-32 Jl '20: Con- 

 clusions. Sci Am Monthly (233 Broadway, 

 N.Y. 60c) 3:23 Ja '21 



Some lepidoptera likely to be confused with 

 the pink bollworm. C. Heinrich. bibliog il 

 J Ag Research 20:807-36 Mr 1 '21; Abstract. 

 Exp Sta Record 45:156-7 Ag '21 



Studies on the flight of nocturnal lepidoptera. 

 W: C. Cook. {In 18th Rep., p. 43-56) bib- 

 liog '20 Minn. State entom., St Paul 



(See also Anomogyna; Arctiidae; Macro- 

 lepidoptera; Papaipema 

 Lepidostrobus 



Homosporous American lepidostrobus. J: M. 

 Coulter and W. J. G. Land. Bot Gaz 72: 

 106-8 Ag '21 

 Leptlnotarsa 



Genetics and evolution in leptlnotarsa. C. R. 

 Plunkett. Am Nat 53:561-6 N '19 

 Leptohylemyia coarctata. See Wheat-bulb flies 

 Lespedeza 



Experience with lespedeza. Prog F 35:328 F 

 14 '20 



Feed and fertility from lespedeza. E. Butler. 

 il Proe- F 35:1430 Ag 28 '20 



Japan clover. C. L. Shaver. Nat Stock & 

 F 44:1534 Mr 5 '21 



I^espedeza a fine hay crop for the Central 

 South. G. H. Alford. Prog F 34:230 F 8 '19 



Lespedeza as a forage crop. L. Carrier, il 

 map Farmers' B 1143:1-15 '20 



Lespedeza for hay. Prog F 36:94 Ja 22 '21 



Lfespedeza (Japan clover). S. H. Essary. bib- 

 liog il Tenn Ag Exp B 123:1-28 '21 



Lespedeza seed and hay. R. H. Benton, il 

 Prog F 36:725 Ag 13 '21 



Specialist finds many good points of lespedeza. 

 E. Butler, il Prog F 36:186 F 12 '21 



Seed 

 Lespedeza seed outlook. U S Seed Rep 2:2 D 



•18 

 Lesser apple worms 

 Lesser apple-worm, il B C Ag Dept C 38:1-4 



•18 

 Letters from a retired farmer to his scientific 



son. il Country Gent 85:17 P 21; 17-f- Mr 13; 



17 Mr 27; 17 Ap 24; 17 O 9 '20; 86:11 My 28; 



22 Jl 30 '21 

 Lettuce 

 Big Boston in the greenhouse. H. Huber. 



Market Growers J 28:12 Ja 1 '21 

 California lettuce. Cal Cultivator 54:196 F 7 



'20 

 Cytological study of pollen development in 



lactuca. R. R. Gates and E. M. Rees. bib- 

 liog il Ann Bot 35:365-98 Jl '21 

 Direct seeding of lettuce. Am Flor 55:.'',22 



As; 21 '20 

 Early history of lettuce, il Gard Chron (Lond) 



67:192. 201 Ap 17-24 '20 

 Experience with lettuce; symposium. Mar- 

 ket Growers J 24:158 F 15 '19 

 Experiences with lettuce; symposium. Market 



Growers J 26:22-3-1- Ja 1 '20 

 Getting fall lettuce started. C. W. Waid 



Market Growers J 27:54 Ag 1 '20 

 Home garden; how to grow lettuce of quality 



that will be fit for a king, il Countrv Gent 



84:58-9 Mr 1 '19 



Home garden; how to grow quality lettuce, il 



Country Gent 85:74 Ap 3 '20 

 Lettuce. W. L. Bonney. il map N Y Farms & 



Markets Dept Ag B 110:318-24 Ag '18 



"^ P*"3l-12!^ ^"f •slT""''^- ^- ^- '''^'- ^'°« 

 Lettuce temperatures. Am Flor 52:276 F 22 '19 



1919-1920 Arizona lettuce crop. E. W. StUl- 



well. Cal Cultivator 54:87 .la 17 '20 

 Residual effects of carbon dioxide gas addi- 

 tions to soil on roots of lactuca sativa. H. A. 



Noyes and J. H. Weghorst. il Bot Gaz 69: 



332-6 Ap '20 

 Should vegetable forcers reduce output of 



winter lettuce. C. W. Waid. Market 



Growers J 23:231 D 15 '18 

 Starting fall crop of lettuce. C. W. Waid. 



Market Growers J 25:72 Ag 15 '19 

 Starting lettuce plants. C. W. Waid. Market 



Growers J 29:93 S 1 '21 

 Summer lettuces. J. A. Paice. Gard Chron 



(Lond) 67:133 Mr 13 '20 

 Temperatures for lettuce. C. W. Waid. 



Market Growers J 25:240 D 15 '19 

 Timely greenhouse suggestions; the fall let- 

 tuce crop. C. W. Waid. Market Growers J 



27:136 O 1 '20 

 Vegetable crops under glass. A. H. Walker. 



harmer'.*^ Advocate 55:453 Mr 11 '20 

 Why don't the lettuces head? A. Kruhm. il 



Gard M 33:113 Ap '21 

 Wilting lettuce. Am Flor 55:1194 D 18 '20 

 Winter lettuce crop. C. W. Waid. Market 



Growers J 27:177 N 1 '20 

 Winter lettuce for spring heads. A. Rutledge. 



Gard M 32:120 O '20 



Diseases and pests 

 Controlling damping off. C. W. Waid. Market 



Growers J 24:360 My 15 '19 

 Controlling downy mildew of lettuce. A. T. 



Erwin. il la Ag Exp B 196:307-28 '21 

 Controlling lettuce drop. Market Growers J 



26:238 Mr 15 '20 

 Lettuce diseases. J. G. Leach. Minn Hort 49: 



170-1 Je '21 

 Lettuce drop due to sclerotinia minor. W. 



S. Beach, bibliog il Pa Ag Exp B 165:1-27 



'21 

 Lice on lettuce. C. W. Waid. Market Grow- 

 ers J 24:380 Je 1 '19 

 New lettuce disease. R. C. Thomas, il Ohio 



Ag Exp B V 5:24-5 Ja '20; Same. Market 



Growers J 26:223 Mr 15 '20 

 Sclerotinia minor, n. sp., the cause of a de- 

 cay of lettuce, celery, and other crops. I. 



C. Jagger. il J Ag Research 20:331-4 N 15 



'20 

 Transmissible mosaic disease of lettuce. I. C. 



Jagger. il J Ag Research 20:737-40 F 15 '21 

 Trouble with lettuce. C. W. Waid. Market 



Growers J 27:196 N 15 '20 

 See also Lettuce anthracnose 



Grading 

 Standard grades proposed for lettuce crop. 

 Market Rep 3:145 Mr 5 '21; Same. Market 

 Growers J 28:293 Ap 15 '21 



Marketing 



Effective co-operation in marketing. E. A. 

 Dunbar. Market Growers J 26:194 Mr 1 '20 



Varieties 

 Lettuces at Wisley, 1919. Royal Hort Soc J 



45:334-53 Jl '20 

 Variety trials of lettuce. J. B. Keil. il Ohio 



Ag Exp B V 6:139-48 S '21 

 Winter lettuces at Wisley, 1917-18. Royal 



Hort Soc J 45:354-9 Jl '20 



Lettuce anthracnose 

 Anthracnose of lettuce. C. C. Brittlebank. il 

 J Dept Ag Victoria 17:626-7 O '19 



Leucaena glauca 

 Leucaena glauca. Int R Sci & Prac Ag 9, 

 no 10:1197-9 O '18 

 Leveling. See Surveying 



Levels 

 Levels, leveling and plumb bob work, il 

 Power F 29:26-}- S '20 



Lever act 



Profiteering and the Lever act. Potato M 

 2:14 Je '20 

 Lewis, Rush 

 Best farmer in Maryland. W: H. Dean, per 

 Country Gent 85:8 Ap 24 '20 



