1916] Index to Volumes I to XXXI 195 



Herty, Charles Holmes — Continued vol. page 



Industrial and scientific aspects of the pine and its 



products 23 30 



The optical rotation of spirits of turpentine 24 87 



The character of the compound formed by the addition 

 of ammonia to ethyl-phospho-playino-chloride (with 



R. 0. E. Davis) 24 92 



The volatile oil of Pinus serotina (with W. S. Dickson) 24 110 



Rapid determination of oil in cotton-seed products (with 



F. B. Stem and M. Orr) 26 21 



The stability of rosin at slightly elevated temperatures 



(with W. S. Dickson) 25 34 



The past, present and future of the naval stores in- 

 dustry 28 117 



The resenes of resins and oleoresins (with W. S. Dick- 

 son) 28 131 



The stability of resin acids at slightly elevated tempera- 

 tures, a correction (with H. L. Cox) 30 150 



Isoprene from commercial turpentine (with J. O. Gra- 

 ham) 30 153 



Cooperation in matters chemical, presidential address. . 31 65 



Hexagram, graphic representation of the projection of two 



triads of planes into the mystic hexagram, Henderson ... 20 124 



Hickerson, Thomas Felix 



Formulas for investment calculations 27 136 



The Crest of the Blue Ridge Highway 27 160 



Hidden, William Earl 



Addendum to the minerals and mineral localities of 



North Carolina 6 45 



Hinsdale, Samuel Johnston 



New and improved methods of analysis 7 52 



Adulterated spirits of turpentine 7 86 



Holmes, Joseph Austin, Cobb 26 167 



Holmes, Joseph Austin 



Notes on the tornado which occurred in Richmond 



County, N. C, February 19, 1884 1 28 



Notes on the Indian burial mounds of eastern North 



Carolina 1 73 



Occurrence of AMes Canadensis and Pinus strobus in 



central North Carolina 1 86 



Notes on a "petrified human body" (with T. W. Harris) 2 59 



Taxodium (cypress) in North Carolina quaternary 2 92 



The twisting of trees 2 94 



Report of the resident vice-president for the year 1886-87 4 1 5 

 A sketch of Prof. Washington Caruthers Kerr, M.A., 

 Ph.D 4 II 1 



