WOOD TECHNOLOGY 647 



Gerry, Eloise. (12828) 



fiber measurement studies : a comparison of tracheid dimensions in long- 

 leaf pine and douglas fir, with data on the strength and length, 



MEAN DIAMETER AND THICKNESS OF WALL OF THE TRACHFUDS. Science (n. S. ) 



43 : 360. 1916. 

 (12829) 



FIBER MEASUREMENT STUDIES ; LENGTH VARIATIONS '. WHERE THEY OCCUR AND 

 THEIR RELATION TO THE STRENGTH AND USES OF WOOD. Science (n. S.) 41: 



179. 1915. 



(12830) 



MICROSCOPY OF PULPWOODS I THE STRUCTURE OF WOODS USED IN THE PULP AND 



paper industry. Paper 26 (7) : 19-20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 

 50, illus. 1920. 



(12831) 



TYLOSES : THEIR OCCURRENCE AND PRACTICAL SIGNIFICANCE IN SOME AMERICAN 



woods. Jour. Agr. Research 1 : 445-470', illus. 1914. 

 Goldring, W. (12832) 



ANNUAL RINGS OF GROWTH IN CARBONIFEROUS WOOD. Bot. GaZ. 72 I 326-330. 



1921. 

 Gordon, Marjorie. (12833) 



RAY TRACHEIDS IN SEQUOIA SEMPERVIRENS. New PhytolOi*ist 11 (1) I 1-7, 



illus. 1912. 

 Graff, J. H., and Hodgdon, Marie. (12834) 



FACTORS IN THE MEASUREMENT OF PULP FIBERS : MICROSCOPIC MEASUREMENT OF 

 FIBER LENGTHS IN SULPHITE AND SULPHATE PULPS. Paper 23 (13) : 11-15, 



illus. 1918. 

 Grossenbacher, J. A. (12835) 



PERIODICITY AND DISTRIBUTION OF RADIAL GROWTH IN TREES AND THEIR RELA- 

 TION to the development of "annual rings." Wis. Acad. Sci., Arts and 

 Letters, Trans. 18: 1-77. 1915. 



Hale, J. D. (12836) 



trabeculae of sanio in angiosperms. Science 57 : 718. 1923. 



Hanson, H. O., and Brenke, B. (12837) 



seasonal development of growth layers in fraxinus oampestris AND ACER 

 saccharinum. Bot. Gaz. 82 : 286-305, illus. 1926. 



Hastings, G. T. (12838) 



when increase in thickness begins in our trees. Plant World 3 : 113-116. 

 1900. 



Heck, G. E. (12839) 



"compression" wood and failure of factory roof-beam. Engin. News-Rec. 

 83 : 3-8. 1919. 



Hemenway, A. F. (12840) 



STUDIES ON THE PHLOEM OF THE DICOTYLEDONS. I. PHLOEM OF THE JUGLAN- 

 DACEAE. II. THE EVOLUTION OF THE SIEVE TUBE. Bot. GaZ. 51 I 131-135 ', 55 '. 



236-243, illus. 1911, 1913. 



Hill, A. W. (12841) 



the histology of tlie sieve-tube of pinus. Ann. Bot. 15 I 575-606. 1901. 



Holden, Ruth. (12842) 



ray tracheids in the coniferales. Bot. Gaz. 55 : 56-65, illus. 1913. 



Hopkins, A. D. (12843) 



bird's eye pine (caused by gall insect). U. S. Dept. Agr., Div. Ent. Bull. 48 : 

 22. 1904. 



Knudson, Lewis. (12844) 

 observations on the inception, season, and duration of cambium de- 

 velopment of the american larch (larix laricina (du roi) koch.). 

 Bull. Torrey Bot. Club. 40 : 271-293, 1913. 



Koehler, Arthur, (12845) 



causes and prevention of baised grain. Timberman 31 (4) : 162, 164, 166. 

 1930. 



