498 



EXPERIMENT STATION RECORD 



Rubber— Continued. 



fertilizer fxpcrimonts, (29) 748, 843; (30) 622; 

 (31) 421, 444; (32) 339, 743; (.33) 50, 738; (34) 48, 

 838; (35) 241; (30) 141; (39) 647, 847. 

 field experiments, relinbility, (40) 46. 

 from EucomiTiia ulmoides, (37) 417. 

 Euphorbia lorifolia, (28) 49. 

 Indian hemp, (30) 614. 

 osage oiaiiRe, (29'> 546. 

 fungus disease affecting, (26) 8,53. 

 green manure crops for, (34) 344. 

 green manuring experiments, (30) 741. 

 guayule, production, (39) 246. 

 guayule, shrub, (27) 244. 

 handbook, (33) 50; (40) 46. 

 hydrometer experiments, (39) 647. 

 industrial use of, (26) 844. 

 industry- 

 chemicals in, (38) 715. 

 evolution. (26) 843. 

 in Africa, treatise, (26) 339. 

 Bolivia, monograph, (27) 148. 

 Brazil, (31) 444. 

 Ceylon, the Straits Settlements, and 



Deli, (31) 211. 

 Kaiser Wilhelm Land, (20) 745. 

 various countries, (27) 244. 

 of the Amazon, treatise, (35) 544. 

 of the East, (33) 543. 

 treatise, (37) 347. 

 inner qualities, factors affecting, (37) 347. 

 insects affecting, (26) 553; (27) .53; (28) 353; (30) 

 546, 753, 851; (33) 153; (34) 652, 851; (3.5) 463; 

 (39) 453, 556; (40) 260. 

 Kickxia and Manihot, use, (27) 245. 

 Kickxia, crickets affecting, (30) 752. 

 latex — 



as affected by lime content of dilution 



water, (39) 451. 

 centrifugalization, (27) 244. 

 content and specific gravity, (38) 146. 

 natural coagulation, (37) 806. 

 physiology of, (31) 128. 

 rings, studies, (40) 448. 

 sugar as coagulant for, (40) 641. 

 leaf disease — 



description and treatment, (26) 651. 

 investigations, (38) 153, 356. 

 notes, (29) 250; (37) 838; (39) 653. 

 leaf fall, control, (39) 459, 759. 

 leaf fall disease, investigations, (38) 153, 456, 554. 

 leaf-latex relations, (40) 153. 

 Manihot, culture in East Africa, (30) 239. 

 Manihot, treatise, (30) 146. 

 manuring, (27) 244. 

 manuring experiments, (40) 448. 

 methods of analysis, (27) 205. 

 monograph, (32) 339. 

 new beetle affecting, (26) 151. 

 new Phytophthora parasite, (40) 845, 852. 

 nitrogen content, (39) 315. 

 of Kongo forests, (26) 50. 

 papers on, (35) 544. 

 Para- 

 anatomy, (27) 44. 

 bacterial disease affecting, (29) 51. 

 black thread disease, (37) 757. 

 canker of, (32) 242. 

 carbohydrate constituents, (27) 615. 

 coagulation of latex, (35) 132; (38) 331, 715. 

 cortex nodules, (37) 727. 

 cortex structure in relation to yield, (39) 848. 

 cost of production, (27) 442. 

 culture, (27) 244; (38) 542; (39) 246. 

 culture — 

 . and use, (27) 43. 



in Trinidad, (34) 47. 

 in Uganda, (35) 544. 

 in Uganda, treatise, (30) 741. 

 diseases, (27) 244; (30) 248, 453, 8.50. 

 fertilizer experiments, (26) 339; (31) 444; 



(35) 842. 

 food storage and rest period in, (34) 240. 

 forms of, (28) 744. 

 fruit rot of, (31) 66. 

 fungus diseases of, (33) 449. 

 girth increment, (36) 447. 

 handbook, (28) 246. 

 in Cochin China. (31) 342. 



Rubber— Continued. 

 Para — Continued. 



increase in tree girth, (39) 751. 



investigations, (30) 447. 



latex flow, (39) 647. 



latex vessels in, (37) 147. 



leaf diseases of, (26) 451; (36) 846. 



Loranthus sp. alTecting, (26) 345. 



natural accelerator, (37) 512. 



natural coagulation in latex, (29) 149. 



nitrogenous constituents, (36) 710. 



nodules in cortex, (39) 431. 



oil of, (37) 109. 



plantings in Kongo, (26) 50. 



preparation, (2S) 645. 



pustule formation on, (30) 544. 



reagent, discovery, (27) 244. 



reproduction in, (34) 639. 



root disease of, (35) 551. 



root diseases affecting, (28) 153. 



seed cake, analyses and digestibility, (30) 

 566. 



seed selection, (36) 843; (37) 837. 



seed utilization, (39) 417. 



seeding at different altitudes, (36) 345. 



tapping during winter, (37) 838. 



tapping experiments, (26) 444; (27) 244, 347, 

 442; (28) 147, 239, 440; (29) 240; (30) 535; (34) 

 47, 346, 537; (36) 45, 243; (38) 45, 46, 544; 

 (39) 751. 



tapping experiments, probable error in, (38) 

 544. 



thinning experiments, (38) 247. 



treatise, (27) 542. 



variability of, (26) 141. 

 pea disease affecting, (28) 652. 

 pink disease — 



host plants of, (35) 154. 



notes, (32) 54; (38) 456. 



studies, (34) 448. 



treatment, (30) 845. 

 plant, new, in Mexico, (28) 744. 

 plantation — 



of Ceylon, (37) 347. 



preparation, (27) 244; (35) 544. 



report, (40) 45. 



spottings and discolorations on, (32) 347. 



use, (27) 245. 

 plantations, starting, (29) 747. 

 planters, literature and labor for, (27) 244. 

 plants, enemies of, (30) 851. 

 plants of Italian Somaliland, (34) 152. 

 preparation, (40) 46. 

 preservation, (27) 244. 

 products, examination, (31) 658. 

 properties, (38) 146. 

 protective function of laticiferous system, (40) 



519. 

 quality as affected by tapping system, (38) 146. 

 quality in relation to age of trees, (37) 651. 

 raw, adaptation, (27) 245. 

 raw, testing, (27) 244. 

 red specks, cause, (28) 552. 

 renewed bark of different ages, yields, (40) 449. 



root disease — 



host plants of, (28) 350. 



notes, (33) 741; (37) 458, 839. 



studies, (27) 854. 

 root diseases, control, (39) 152. 

 root diseases, notes, (29) 547. 

 root rot, brown, (39) 153. 

 root rot, notes, (31) 242. 

 samples, moisture content, (39) 416. 

 seed- 

 cake for cattle and sheep, (31) 766. 



oil, utOization, (26) 746. 



selection, (40) 153. 



vitality, (26) 843. 

 shares, factors affecting valuation, (27) 245. 

 slug, notes, (26) 353. 

 soils in Fiji, (37) 838. 

 soils, requisities of, (28) 422. 

 spot disease, studies, (40) 646. 

 spotting due to fungi, (35) 544. 

 spotting, notes, (30) 152. 

 spotting, studies, (29) 451. 

 stem disease, notes, (37) 453. 

 stumps as disease carriers, (27) 451. 

 tapping, (29) 748; (39) 357. 



