548 INDEX 



PAGE 



Standard, Twenty-two Inch '. 29 



universal, choice of a board-foot log rule for 84 



volume table, form, Table XXX 174 



tables, construction, by curves 174 



definition 153 



for cords 177 



for merchantable cubic volume and cords 177 



for total cubic contents, construction of 154 



harmonized curves for, based on diameter 169 



Standardization, need of, in forest measurements 10 



of variables in construction of a log rule 49 



Standards for yield tables 395 



in constructing log rules 49 



of site classification based on height of tree at 100 years. Table LX . 387 



Standing timber, estimating, principles underlying 255 



units of measurement for 139 



trees, measurement 226 



rules of thumb for estimating the contents of 251 



Stands, form of 388 



grown under management, yield tables for 407, 427 



growth of, factors affecting 384 



of mixed species, yield tables for 408 



Stave bolts 15 



Staves, lengths 122 



Stem analysis, limitations of use 326 



of a tree. Table LIX 378 



purpose and appUcation 374 



Stereometric measurement of cordwood 132 



Stillwell's Vade Mecum log rule 36 



Strip estimating, systems in use 282 



method of estimating 273 



of replotting curves 173 



surveys, method of running 276 



Strips, relation of width and number, to area covered. Table XLI 274 



tying in. The base line 281 



used in estimating 263 



width of, factors determining 274 



StuUs 473 



Stump, height of 156 



heights 178 



rot 110 



scaling • 118 



tapers, Table LII 350 



Stumpage value, definition. Relation to forest mensuration 3 



of products as affecting accuracy sought in timber esti- 

 mating 266 



Substitution of mill factor for log rules in universal tables 146 



of taper tables for tree analysis 382 



Superficial board-feet, corre'ction in per cents for lumber sawed less than one 

 inch thick, Table XVI 274 



