19161 Index to Volumes I to XXXI 193 



George, Wesley Critz vol. page 



Work at the Beaufort laboratory 29 94 



The influence of radium rays on germ cells and embry- 

 onic tissues 31 150 



Glenn, Marshall Renfro 



Certain derivatives of trichlorethylidene-di-p-nitro-phe- 



namine (with A. S. Whb:eler) 19 63 



Gold ores of Deadwood, South Dakota, Pratt 22 23 



Gold mining in North Carolina, recent favorable changes to 

 the industry, Pratt and Steel 23 108 



Gold in Montgomery County, Morehead 7 87 



Gold mine, Coggin, Pratt 30 165 



Gore, Joshua Walker 



A theory of tornadoes 1 51 



Elevation of Chapel Hill 1 §2 



Report of the resident vice-president for the year 1884-85 2 3 



Latitude of Chapel Hill 2 32 



Report of the resident vice-president for the year 1885-86 3 3 



Note on electrical ageing of flour 23 29 



Grades for sewers, method of laying out by aid of the transit, 



Cain 17 H 26 



Geady, Benjamin Franklin 



Cyclones 3 145 



Graham, J. O. 



Isoprene from commercial turpentine (with C. H. 

 Herty) 30 153 



Granites of Chapel Hill, petography, Eaton 25 85 



Grasses, Ashe 15 112 



Grasses, Chapel Hill winter, W. C. Coker 31 156 



Grasshoppers (and relatives) of North Carolina, Sherman. 23 71 



Graves, Ralph Henry 



On the chord common to a parabola and the circle of 



curvature at any point 5 14 



On the focal chord of a parabola 6 15 



A method of finding the evolute of the four-cusped hy- 

 pocycloid 5 72 



Geissom, Robert Gilliam 



Lead-chlor-sulpho-cyanide 4 



Solubility of ammonia in sulphuric acid 4 



Action of chlorus acid upon heptylen 4 



GuDGER, Eugene Willis 



Natural history notes on some Beaufort, N. C, fishes, 



1910-11 28 157 



Proceedings of North Carolina Academy of Science, 



April, 1915 31 1 



Hall, Joseph Gaither 



Three little known species of North Carolina fungi 23 85 



