93 8 



Sawmill Continued 



installations in West, 276 

 refuse, products, 645-646 

 residues, 640 

 Sawmills 



changes for prevention of waste, 



645 



in West, 276 

 northern, 267 

 portable, 645 

 Saws, types, 237, 239 

 Sawyers, habits, 433 

 Scale insects, 100 

 Scandinavia, poplars, 156 

 Scarification of seed, 164 

 SCHENCK, C. A., work, 655, 710 

 Scholartree 

 Chinese 



Sophora japonica, 47, 826 

 See also Pagodatree, Japanese. 

 School forests, 397, 398 

 Schools of forestry, 655, 658, 672, 



710 

 SCHRBINER, ERNST J. 



Amateur Tree Breeders, 158-159 

 Arboretums, Places of Beauty 



and Science, 398-402 

 Poplars Bred To Order, 153-157 

 Scolytus multistriatus. See Euro- 

 pean elm bark beetle, smaller. 

 Screens, use in protecting seedlings, 



138, 141 

 Sea-buckthorn, common, Hoppo- 



phae rhamnoides, 130, 131 

 Seaboard Air Line, 683 

 Seasoning wood, methods, 620-623 

 Sedimentation, damages, 609 

 Seed- 

 classification, 127-128 

 cleaned, amount in proportion to 



fruit, 131 



cleaning methods, 130-131 

 collection, 128-129, 135, 159 

 composition, 1 

 extraction, 129-130 

 dealers, requirements, 135 

 dispersal for forest renewal, 124 

 dormancy, 132-133, 164 

 forest-tree, production, 124-125 

 nursery, cover, 164 

 planting, by amateurs, 159 

 prepoisoning, 138, 142, 144 

 pretreatment for germination, 



132-133 



quality, 133-135, 140, 163 

 scarification, 164 

 storage methods, 131-132 

 stratification, 164 

 testing methods, 133-134 

 viability, 134 

 weights, 20 

 Seed-tree system, 125 

 Seeding 



airplane, 141-143, 145 

 broadcast, value, 142 

 by helicopter, 145 

 characteristics, 122 



Index 



Seeding Continued 

 direct 



W. E. McQuilkin, 136-146 

 instructions, 224 

 Southern woodland, 214 

 ground preparation, 139 

 pine, in California, 353-354 

 rate and season, 163-164 

 site selection, 137-138, 142-143, 



145-146 



spot, rate and method, 140 

 tool, 140, 144 

 Seedlings 

 development, 2 

 diseases in southern woodland, 



212 



plantable, 167-168 

 nursery-grown, transplanting, 



207, 214-215 

 ordering, 215 

 planting, pointers, 225 

 wild, transplanting, 214 

 Seeds- 

 germination test, 134 

 source, importance, 135 

 Selecting pest-resistant trees. Rus- 

 sell B. Clapper and John M. 

 Miller, 465-471 

 Selection 



definition, 123, 149 

 natural, 148 

 system, 126 



Self pollination, in pines, 149 

 Selling logs, 228 

 Selway Wilderness Area, 508 

 Septoria canker, 470 

 Sequoia 



giant, Sequoia gigantea, 20, 805- 



806 



Sequoia, 20 



Sequoia National Park, 386, 544 

 Serviceberry, Amelanchier, 128, 



130 



Settlement, effect on wildlife, 564 

 Shade trees- 

 care after planting, 90 

 for Northeast, 48-57 

 for 



California, 77-82 

 North Pacific Area, 82-86 

 Plains, 65-72 



Rockies, Lake S. Gill, 72-76 

 Southeast. 60-65 

 healthy, 91-96 

 protection against insects, 97- 



100 



soil requirements, 87 

 SHANTZ, HOMER L., work, 112 

 Sheep 



bighorn, 565, 575 

 feeding molasses, 641, 642 

 Shelterbelts 



and windbreaks. Joseph H. 

 Stoeckeler, Ross A. Williams, 

 191-199 



planting, trees for, recommen- 

 dations, 848-849 

 success in Prairie States, 21 



Shelterbelts Continued 



See also Windbreaks. 

 Shelterwood system, 123-124, 125, 



126 



Shelton Cooperative Unit, 335-339 

 Shipbuilding, improvement in use 



of wood, 24 

 Shipping, lumber 



consumption, 738 



requirements, 1950-55, 738-739 

 Ships- 

 laminated wood for, 651 



role in introducing pests, 449 

 SHIRLEY, HARDY L.: Large Private 



Holdings in North, 255-274 

 Shock absorbers, 692 

 SHOW, STUART BEVIER: World 



Forest Situation, 742-753 

 Shrews, insect diet, 563 

 Shrub, definition, 19 

 Shrubs 



species for wildlife, 562-563 



use in windbreaks, 198 

 SIEKBR, JOHN: Everyone is Wel- 

 come, 551-556 

 Sierra Club, 544 

 SILCOX, F. A.. 378 

 Silk-oak, Grevillea robusta, 823 

 Silktassel, Fremont, Garrya jre- 



montii, 131 

 Silktree 



Albizia julibrissin, 826 



See also Albizia, silktree ; Mi- 

 mosa. 

 Silverbell 



Carolina, Helesia Carolina, 130, 

 133 



Helesia, 47 

 Silverberry, Elaeagnus commutata, 



130 

 Silviculture 



definition, 22 



needs, 120-121 



problems, 107, 108 



specialty of consultants, 662 

 SIMMONS, FRED C.: Since Days of 



Leif Ericson, 687-694 

 Simpson Logging Co., 335-336 

 Sirup, maple, 180 

 Site preparation, 87 

 Skid trails, in small forest, 226 

 Skidding 



ground, recommendations, 243 



methods, 689, 690-691, 692, 

 693, 698, 700 



tools, 238, 242-243 

 Skiers, safety advice, 553 

 Skiing, facilities, 549, 552-553 

 Skunk, in woodland, 561 

 Slash- 

 burning techniques, 328 



removal, in small forest, 242 

 Slit planting, 225 

 Smoke, effect on trees, 43 

 Smoke j umpers 



in Montana, 508-516 



work, 25-26 



