84 BULLETIN 149 7, IT. S. DEPARTMENT OF AGRICULTURE 
(11) Butler, O. M. 
1925. FOEEST PEOPLE I THE PINE PRUNER OF HOLDEENESS. Amer. Forests 
and Forest Life 31 : 92-94, illus. 
<12) Carter, E. E. 
1915. notes on the relation of planting methods to survival. Soc. 
Amer. Foresters Proc. 10 : 9-17. 
(13) Chetney, E. G. 
1916. tree planting in Minnesota. Minn. Univ. Agr. Ext. Spec. Bui. 
10. 8 p., illus. 
(14) Chittenden, A. K. 
1921. forest planting in Michigan. Mich. Agr. Expt. Sta. Spec. Bui. 
103, 16 p., illus. 
(15) 
1922. the station's white pine plantation, results of yield meas- 
urements after thirty years growth. Mich. Agr. Expt. Sta. 
Quart. Bui. 4 : 105-106. 
1925. Christmas tree plantations. Mich. Agr. Expt. Sta. Spec. Bui. 
145, 9 p., illus. 
(16) 
(17) - 
1925. cultivation of forest plantations, the growth of trees is in- 
creased BY PREPARATION OF GROUND AND CULTIVATION. Mich. 
Agr. Expt. Sta. Quart. Bui. 7 : 112-113. 
(18) Cline, A. C, and Lockard. C. Pt. 
1925. mixed white pine and hardwood. Harvard Forest Bui. 8, 67 
p.. illus. 
(19) Conklin, W. G. 
1916. REFORESTING PENNSYLVANIA'S WASTE LAND. WHAT AND HOW TO 
plant. Penn. Dept. Forestry Bui. 15. 34 p., illus. 
(20) Cox. W. T. 
1911. REFORESTATION ON THE NATIONAL FORESTS. PART I. COLLECTION 
OF SEED. PART II. DIRECT SEEDING. U. S. Dept. Agl\, Forest 
Serv. Bui. 98, 57 p.. illus. 
(21) Does, H.. Jr.. and Boag. W. A. 
1917. growth study of planted trees. Mich. Agr. Col. Forestry Club 
Ann. 2 : 37-38. 
(22) Fisher, R. T. 
1918. the yield of volunteer SECOND" growth as affected by improve- 
ment cutting and EARLY weeding. Jour. Forestry 16 : 493- 
506. illus. 
(23) and Terry. E. I. 
1920. the management of second growth white pine in central new 
England. Jour. Forestry 18 : 358-366. 
(24) Frothingham. E. H. 
1914. white pine under forest management. U. S. Dept. Agr. Bui. 
13. 70 p.. illus. 
(25) Graham. S. A. 
1926. BIOLOGY and control of the white pine weevil, pissodes strobi 
peck. X. Y. Cornell Agr. Expt. Sta. Bui. 449, 32 p., illus. 
(26) Greeley. W. B. 
1924. idle land and costly timber. U. S. Dept. Agr. Farmers' Bui. 
1417. 22 p.. illus. 
(27) Haasis. F. W. 
1914. RESULTS OF AN EXPERIMENT ON THE EFFECT OF DRYING OF THE ROOTS 
OF SEEDLINGS OF EED AND WHITE PINE. ForestrV Quart. 
12: [311]-318. 
(28) Haines. P. B. 
1925. foeest planting with a plow. Jour. Forestry 23:95-96. 
(29) Hansen, T. S. 
1927. forest planting experiments in Minnesota. Minn. Agr. Expt. 
Sta. Bui. 23S. 32 p.. illus. 
(30) Hawkins. G. C. 
1924. HOW ONE wood-using industry has made use of a forester. 
Jour. Forestry 22 : 140-148. 
