208 Journal of the Mitchell Society [February 



vol.. PAGE 



Structure and color in organic compounds, Jeffries 29 81 



Sugar in urine, practical quantitative determination, Howe. 2 69 



Sugar beets from Kentucky, Howe 3 143 



Sulphuric acid, reactions with copper, Baskerville 12 I 1 



Sun-animalculae, Actinosplnvrium eichornii, development and 



a supposed new method of reproduction, Stedman 9 83 



Sun's heat, source, I^vxneau 22 45 



Sunspot maximum, Laxneaxi 20 21 



Superphosphates, changes when applied to the soil. Battle. 5 111 

 Superphosphates from Navassa rock, rate of reversion, 



Phillips 1 56 



Surfaces of the second degree, cone of the normals and an 



allied cone, Henderson 17 II 32 



Surface energy and surface tension, Mills and MacRae 26 98 



Swamp lands of North Carolina, drainage, Pratt 26 158 



Taxodium (cypress) in North Carolina quaternary. Holmes 2 92 

 Temperature at various stations in North Carolina, Holmes 5 31 

 Tei'rapin, culture of the diamond-back terrapin at the fish- 

 eries laboratory, Beaufort, Aller 26 60 



Theory of descent, outline of modern work bearing on the, 



J. J. Wolfe 31 12 



Thermometers for melting point determination, Wheeler.. 28 148 



Thermometer for class illustration, Vexable 3 142 



TiiiES, Erxest AuGrsT 



Chlorination of auriferous sulphides 5 68 



Thorium, existence of a new element associated with tho- 

 rium, Baskerville 18 I 1 



Thorium, atomic weight, Davis 21 45 



Thorium, inactive, Zerban 20 57 



Thorns, American, Ashe 18 I 17 



Thorns, American, Ashe 19 10 



Thorns, American, Ashe 20 47 



Thorp, Bexoni 



New halogen compounds of lead (with F. P. Venable) . 6 10 

 Tillman, Opal Ioxe 



Viable Bermuda grass seed produced in the locality of 



Raleigh, N. C 28 95 



Timber resources of Orange County, Holmes 29 89 



Tin, qualitative test, Baskerville 16 80 



Titanium, universal distribution, BASKER^^LLE 16 52 



Titanium, occurrence in peats, Baskerville 16 54 



Toads, species liable to occur in North Carolina, Brimley. . . 23 157 

 Tornado and hail storm in Catawba and Iredell counties, 



March 25, 1884, Stephenson 1 40 



Tornado in Richmond County, February 10, 1884, Holmes.. 1 28 



