332 



EXPERIMENT STATION EECORD 



Lcpidopus caudatus, analyses, (28) 459. 

 Lcpidosapbes— 



alba, notes, (28) 855. 



beckii, see Purple scale. 



ficus in California, (37) 563. 



eloveri, see Glover's scale. 



lasianthi, notes, (28) 754. 



nowsteadi, notes, (35) 54. 



olivina, n.sp., description, (32) 449. 



spp., notes, (26) 757. 



iilini, see Oyster-shell scale. 

 Lepidoscelio viatrix— 



n.sp., description, (38) 63. 



notes, (40) 459. 

 Lepiota— 



proccra, prevalence in South Africa, (29) 461. 



spp., effect on vegetation, (38) 222. 

 Lepisma saccharina, life history and parasites, (35) 



657. 

 Leprosy — 



bacillus, dissemination by house fly, (29) 457. 



bacillus, studies, (33) 178, 771. 



in rats, (27) 754; (29) 651. 



relation to bedbugs, (31) 550. 



relation to flies, (31) 851. 



relation to head lice, (27) 858. 



transmission, (26) 758; (36) 554. 

 Leptinillus validus, parasitism, (31) 60. 

 Leptinotaisa — 



decemlineata, see Potato beetle, Colorado. 



evolution in, (40) 860. 

 Leptiniis testaceus, parasitism, (31) 60. 

 Leptobyrsa— 



explanata, notes, (32) 550; (36) 656. 



explanata, studies, (34) 451. 



rhododendri, notes, (32) 550; (37) 563; (40) 753. 

 Leptocarydium alopecuroidcs— 



analyses, (36) 334. 



studies, (38) 66. 

 Leptocera sylvatica in North America, (35) 759. 

 Leptochloa— 



chinensis, notes, (26) 362. 



virgata, culture in Hawaii, (32) 729. 

 Leptocorisa varicornis, notes, (33) 856; (38) 257; (40) 



201. 

 Leptodictya tabida, notes, (29) 353, 357. 

 Leptoglossus— 



balteatus, notes, (40) 165. 



membranaceus, notes, (27) 454; (32) 847. 



occurring north of Mexico, (38) 559. 



phyllopus on artichoke, (40) 58. 

 Leptohylemyia coarctata — 



control in Kief, (38) 257. 



notes, (31) 852. 

 Leptomastix sp., life history, (33) 658. 

 Leptomysa n.g. and n.spp., descriptions, (32) 321. 

 Leptophyadistingueudan.sp., description, (37) 563, 

 Leptops hopei, notes, (26) 353. 

 Leptopsylla musculi, bionomics of, (31) 353. 

 Leptosphaeria— 



cinnamon! n.sp., description, (27) 149. 



coffeicola, notes, (32) 749. 



coffeigena, notes, (38) 51. 



coniothyrium — 



dissemination by tree crickets, (35) 547. 



notes, (31) 649. 



relation to apple canker, (34) 653. 



cucurbitae n.sp., description, (37) 550. 



culmifraga, notes, (36) 541. 



herpotrichoides — 



notes, (27) 747, 748; (30) 648, 748; (32) 641; 



(37) 248, 053; (40) 845. 

 studies, (34) 244. 



napi, notes, (38) 147. 



sacchari— 



notes, (26) 445; (29) 345; (30) 840; (37) 553, 



838; (40) 157, 848. 

 studies, (38) 851. 



spp., notes, (28) 52; (30) 751; (31) 147. 



tritici, notes, (32) 843. 

 Leptospira— 



icterohaemorrhagiae, see Spirochaeta ictero- 

 haemorrhagiae. 



new genus, notes, (37) 578. 

 Leptospora musae, notes, (27) 50, 449. 

 Leptostroma pinastri, notes, (32) 845. 

 Leptostyla, nearctic, key, (38) 559. 

 Leptostylus — 



biustus, notes, (28) 855; (38) 363. 



macula, dissemination of chestnut blight by, 

 (31) 451. 



Leptostylus— Continued. 



macula, relation to chestnut bark disease, (35) 

 756. 



praemorsus, notes, (31) 58. 

 Leptothrips floridensis, notes, (31) 751. 

 Leptothyrium — 



asparagi n.sp., description, (32) 146. 



carpophilum, notes, (35) 550. 



caspicum n.sp., notes, (34) 842. 



pomi, notes, (29) 154; (38) 550. 



pond, treatment, (27) 747. 

 Leptotrombidium akamushi — 



n.g., studies, (37) 858. 



relation to Lcptus autumnalis, (37) 859. 

 Leptovpha, nearctic, key, (38) 559. 

 Leptura zebra, notes, (28) 351; (30) 154. 

 Lepturges spermophagus n.sp., description, (40) 654. 

 Leptus akamushi, studies, (39) 870. 

 Leptus autumnalis, notes, (37) 859. 

 Lepyronia quadraugularis, life history, (36) 458. 

 Lespedoza, see Clover, Japan. 

 Lestophonus, studies, (30) 757. 

 Lestremiinac, studies, (30) 057. 

 Leteensuo Moor Experiment Station, report, (27) 



723. 

 Lettuce— 



anthracnose, studies, (39) 355. 



bacterial- 

 disease, description, (29) 242. 

 diseases, notes, (37) 652. 

 diseases, studies, (33) 742; (39) 455. 

 rot, investigations, (31) 747. 

 stem and leaf disease, (37) 841. 



Botrytis disease on, (30) 541. 



breeding experiments, (35) 141. 



catalytic fertilizers for, (27) 029. 



culture, (26) 393, 5S9; (37) 143. 



culture in Arizona, (39) 745. 



culture in greenhouses, (26) 740; (33) 42; (38) 344. 



decay in transit, (38) 444. 



disease in Rio Grande Valley, (36) 450. 



diseases in Michigan, (38) 545. 



diseases, notes, (39) 353. 



diseases, treatment, (39) 52. 



drop, description and treatment, (29) 846. 



drop, notes, (28) 847; (31) 747; (35) 844. 



electroculture experiments, (28) 326; (30) 788. 



fertilizer experiments, (34) 520, 532, 821; (39) 

 38, 542, 843; (40) 740. 



fertilizer requirements, (26) 818. 



frozen, as affected by rapid thawing, (32) 43. 



germination in mercury vapor light, (30) 827. 



Grand Rapids, improving, (38) 142. 



greenhouse, carbon dioxid for, (39) 38. 



greenhouse, rot of, (36) 350. 



growth as affected by electric light, (28) 228. 



growth in artificial light, (28) 735. 



growth in shade, (29) 130. 



handling and precooling, (32) 234; (38) 444. 



insects affecting, (31) 649; (32) 753. 



loaf rot, notes, (27) 45. 



liming experiments, (39) 221. 



mildew, prevention, (26) 342. 



mulching v. clean cultm-e, (33) 534. 



nitrogen content, (39) 542. 



on acid soils, (39) 115. 



prickly, rust of, (33) 548. 



Puccinia disease of, (28) 241. 



purin content, (40) 205. 



radioactive fertilizers for, (35) 628. 



response to carbon dioxid, (40) 820. 



root knot, notes, (36) 349. 



rot, treatment, (28) 446; (39) 249. 



Sclerotinia disease of, (29) 646. 



Sclerotinia libertiana affecting, (20) 647 



sclerotiniose, studies, (26) 448. 



seed, germination tests, (26) 44. 



seed, production, (38) 142. 



seedlings, damping-ofl, (37) 651. 



seeds, large v. small, (31) 634. 



sprayed, arsenic on, (38) 55. 



storage experiments, (31) 533. 



typhoid bacilli on, (27) 766. 



varieties, (38) 344. 



variety tests, (39) 745. 



watering, continuous, (37) 543. 



wild, rubber from, (29) 241. 

 Leucaena glauca — 



analyses, (29) 215. 



as green manure for tea, (30) 43 



as shade for coffee, (34) 535. 



