Peters, O. S., lightning protec- 

 tion 122 



Pettigrew, R. L., and Schorger. 

 A. W., turpentine, increased 

 yield 1032 



Pierce, R. G., and Hartley. C, 

 damping-off control 251 



Pogue, J. E., fertilizers 1033 



Quebec, forests and forest in- 

 dustries 635 



Recknagel, A. B., working plans 

 (2d ed.) 633 



Schorger, A. W., and Pettigrew, 

 R. L., turpentine, increased 

 yield 1032 



Shantz, H. L., and Briggs, L. J., 

 transpiration rate determined. T]"] 



Shull, C. A., soil moisture no 



Sifton, C, Canada, work of 

 commission of conservation., (i},'^ 



Spiridonov, N.. desirability of 

 planting in grasslands 371 



Sponsler, O. L.. bud and twig 

 key 784 



Stebbing, E. P., British forestry. 1021 



Stone, G. E., shade trees 775 



Sudworth, G. B., pines. Rocky 

 Mountains 911 



Taylor. J. L. B., woodsmen, 

 handbook 124 



Thelen, R., wood substitutes... 1035 



Tillotson, C. R., reforestation.. 902 



Washington, forest club annual, 

 1917 912 



Webster, A. D., tree wounds 

 and diseases 256 



Wisconsin, Conservation Com- 

 mission report, 1915-16 64s 



Woodbury, T. D.. and Larsen, 

 L. T., sugar pine 365 



Woolsey, T. S., Jr., French for- 

 estry 1017 



Zon, R., lumber markets, Medi- 

 terranean and Near East.... 369 



Rhamnus jrangula, charcoal, n. . . 519 

 RJiizopHS nigricans, chemotrophic 



reactions, ref 127 



Rhode Island, forestry report, 



1915. ref 373 



Richards. E. C. M., art 609 



RiGG. G. B.. art 726 



Road act, federal, expenditures, n. 241 



Rocky Movmtain pine, rev 911 



Root rot of coniferous seedlings. 



ref 128, 130 



Rot, red, in Pinus ponderosa, rev. 258 

 in structures, n., 911; rev., 931; 



ref 1037 



Roth, F.. art 886 



Rubber, tapping, ref 132 



Russia, exports, br 383 



timber trade, br 1056 



Sandalwoods, ref 262 



Sand-dune planting, art 1007 



S.VMPSON, A. W., art 59.^ 



Sawdust, alcohol production, n. . . 805 



fire extinguisher, n 815 



Schorger, A. W., art 197 



Scotch-pine seed, rev 1024 



Scott, C. A., art 192 



Seed, absorption of water, br. . . . 1045 



cover and germination, art 619 



choice, rev 1027 



fresh vs. stored, br 483 



germination, hastening, art T003 



life, br 484 



lodgepole pine, art 41D 



storage of oak and hickory, br. . 1049 



stored in forest floor, br 1046 



tree method, Minnesota, n 929 



Seeding, on burned forest areas, 



n ; 939 



Seedlings and weight of acorns, 



rev 783 



Serbia, forests, br 384 



Shade trees, ref ^,7^), 660 



care, rev 775 



SherfeseE, F., art 740 



Shifting sands, control, ref 374 



Shingles from tan bark, n 106 



Ship timber, n 804 



Ships, wooden, n 678 



Show, S. B., art big, 1003 



ShrEvE, F.. art 695 



Siberia forests, rev 120 



Silvics. forest succession, art 587 



Silviculture, black spruce, art.... 446 

 and ecology, Appalachians, art.. 343 

 factors influencing regeneration, 



art 827 



growing season, maps, n 939 



improvement cutting, n 104 



marking western white pine. art. 871 



Minnesota, n 929 



seeding on burned areas, n 939 



planting camps, art 394 



planting in grass lands, rev 371 



optima, br 486 



Site, classification, art, 552; n., 102,929 



Sioux National Forest, n 808 



Slash, burning, practice, n 513 



disposal experiments, n 933 



rotting, investigations, ref 660 



Smoke (sec also Fumes). 

 Society of American Foresters, 

 constitution, 1083; member 



list 1090 



affairs 142, 270, 385, 689. 1081 



Soil exhaustion and woodland suc- 



ci-ssi.in, l)r 500 



