INDEX 545 



PAGE 



Rot, Stump 100 



Rough lumber, grades 456 



Round products , 466 



-edged lumber 14 



Massachusetts log rule for 79 



Rules of thumb, for board-foot contents 252 



for cubic contents 251 



for estimating the contents of standing trees 251 



Running strip surveys, method of 276 



Saco River log rule 36 



St. Croix log rule 68 



St. Louis Hardwood log rule 35 



Sample plots, permanent, measurement 312 



for measurement of current growth 443 



trees, methods of estimating 310 



Sap, stained 115 



Sapwood, volume 161 



Saplings, growth of 451 



Saw 1-erf, and slabbing, deductions in certain log rules, Table IX 62 



as affecting over-run 48 



conversion of values of a standard rule to apply to different widths of 80 



waste from 53 



Saw kerfs of different widths, corrections for 55 



Sawdust, method of deducting 60 



Sawed lumber, superficial contents 13 



Scale book 99 



caliper 97 



definition 88 



records 98 



rule 88 



stick 88 



Scaler, legal status 119 



Scalers 118 



Scaling 88 



check 117 



cyhnder as the standard of 90 



diameters 92 



from the stump 118 



length of logs, taper as limiting 43 



lengths 91 



of defective logs 105 



practice, based on measurement of diameter at middle of log, or cahper 



scale 97 



practice, based on ptieasurement of diameter at small end of log 91 



in different logging regions. Table XVII 94 



use of cubic foot in 28 



Schiffels' formula, derivation 206 



u.se in computing volume of tree 163 



values, Table LXXXI 494 



