INDEX TO YEARBOOKS, 1901-1905. 151 



Timber destruction by beetles, notes, 1902, 265, 269. 



increase of danger from Mexican cotton boll weevil, 1901, 378 

 effect of moisture on strength, 1902, 537. 

 experiments, practical results, 1904. 458-460. 

 exports, 1903, 694; 1904, 735; 1905, 776. 

 forest and construction, decay, remarks, 1902, 19. 



diseases, remarks, 1901, 24. 

 gains in density and quality in Nebraska, 1901, 209. 

 growth at high elevations, note, 1901, 533. 

 imports, 1903, 685; 1904, 726; 1905, 766. 

 infested by Black Hills pine-destroying beetle, characteristic features, 1902, 



kinds preferred for telephone poles, 1905, 455-458. 

 losses by leaving on ground in logging, 1905, 486. 

 mature, protection in slash burning, 1904, 138-139. 

 Nebraska, gains in density and quality, 1901, 209. 



natural and planted, value, 1901, 210-215. 

 planted, area, note, 1905, 183. 



commercial and esthetic value, 1901, 212, 213. 

 resources, article by William L. Hall, 1901, 207-216. 

 owners, relation to protection from fire, 1904, 137. 

 Philippines, cutting and sales under Spanish rule, 1901, 524. 

 preservation and seasoning, 1902, 724; 1903, 32, 439. 

 cost of various treatments, 1903, 434^40. 

 plants, discussion, 1903, 427, 433. 



recent progress, article by Hermann von Schrenk, 1903, 427-440. 

 strength and mechanical properties, remarks, 1904, 60. 

 vat for use of corrosive sublimate, 1903, 432. 

 round, requisites for preventing insect injuries, 1904, 393-394. 



with bark on, danger from insects, 1904, 391. 

 sales from forest reserves in 1905, 1905, 638, 640. 

 seasoning and preservation, tests, note, 1902, 724. 

 selection for bridges used in logging, 1905, 492. 

 strength, tests, 1904, 60-61. 

 structural, preservation, 1903, 439. 

 testing, foundation of modern work, 1902, 533. 



size of sticks in tests, remarks, 1902, 535. 

 United States, outline, 1902, 534-536. 

 tests of physical properties, article by P. E. Olmsted, 1902, 533-538. 



usefulness, note, 1905, 54. 

 treatment for preservation, cost, etc., discussion, 1903, 427-440. 

 trees, species for planting in Middle West, 1904, 264. 



studies, note, 1904, 53. 

 value and marketing, charges, 1904, 136-137. 

 values, determination, article by Edward Braniff, 1904, 453-460. 

 virgin, fire losses in California, 1904, 135-136. 

 worms, injuries to logs and timbers, 1904, 386-387. 

 oak and locust, 1905, 632. 

 oak and chestnut, description, life history, injuries, 1903, 323-325. 

 See also Forest, Lumber, and Tree. 

 Timbers and woodwork, finished, insect injuries, 1904, 396-397. 



inferior, preservation, available supply, with map, 1903, 53, 428. 

 mechanical and physical tests, remarks, 1904, 591. 

 Timothy and clover, growing and use on live-stock farm, 1902, 356. 

 beneficial effect of roots in soil, note, 1903, 168. 



improvement by selection and by hybridization, suggestion, 1901, 222. 

 jointworm, danger and repressive measures, 1905, 473. 

 seed, crops of several States, statistics, 1901, 234. 



exports, 1901, 804; 1902, 869; 1903, 699; 1904, 740; 1905, 780. 

 growing and handling, 1901, 244. 



wholesale prices, 1901, 770; 1902, 830; 1903, 658-659; 1904, 698-699; 

 1905, 730-731. 

 varieties, note, 1904, 39. 

 Tit, least, California, enemy of olive scale, 1901, 109. 

 Title to lands in United States, limitation laws, etc., 1902, 750-751. 

 Titmice, eating of noxious insects, 1904, 253. 



