Quartz, on certain cavities in, _W. L. Atlee_, xxxv, 139.^f ----, from Elba, containing water, iv, 27. ----, American, containing liquids, ii, 14; ix, 246; (and coal) xl, 83. ----, naphtha in, _C. Dewey_, i, 345. ----, soft crystal of, v, 394. ----, gelatinous, _Guillemin_, xiv, 391. ---- crystals, distorted, xlvi, 365^f, 366.^f ---- ----, in Canada, viii, 63. ---- ----, in Connecticut, i, 135; v, 41, 45; --(rose) i, 238; iv, 54; vi, 213, 251. ---- ----, in Maine, (smoky) xiii, 374; (rose) xviii, 297. ---- ----, in Massachusetts, i, 112, 113, 136; (rose) i, 116; vi, 247. ---- ----, in Missouri, iii, 67. ---- ----, in New Hampshire, (rose) xvii, 355; (smoky) xxxiv, 114. ---- ----, in New Jersey, ii, 197. ---- ----, in New York, i, 241; ii, 13; iii, 233; iv, 44; vi, 247; ix, 44. ---- ----, in North or South Carolina, iii, 5. ---- ----, in Pennsylvania, i, 237; ix, 45; x, 222; xiv, 5. ---- ----, in Rhode Island, viii, 230; ix, 46; xl, 185. ---- ----, in Vermont, vi, 249. ---- ----, near Lake Superior, smoky and amethyst, vii, 48. ----, pseudomorphous, in Massachusetts, at Southampton, vi, 214; ix, 249; xii, 256. ---- ----, in Pennsylvania, x, 223. ----, imitated by steatite, in Massachusetts, v, 249; vi, 333; viii, 51. ----, ---- ----, in New Jersey, xxi, 320. ---- rock of western Massachusetts, viii, 16. ---- veins, origin of, _G. Bischof_, xlix, 396. Quebec, cement of the Castle Rock, _F. H. Baddely_, xxviii, 367. ----, Literary and Historical Society, transactions of, xvii, 412; xxv, 211. Queries, geological, proposed by the geologists of the New York State survey, xxxiii, 124. ---- relative to mineral veins, xxxiii, 135. Quicksilver mines of Spain, xxviii, 17. ---- ---- of Idria, xxix, 219. _Quinby, A. B._, investigations relative to the blowing machinery of blast furnace, xii, 128. ----, examination of the maximum and minimum effects of machines, xii, 346. ----, on crank motion, vii, 316^f; ix, 317; x, 203; xi, 335; xi, 338^f; xii, 344^f; xiii, 73, 356. ----, on pitchback and breast wheels, xi, 333. ----, on high and low pressure boilers, ix, 313.^f ----, on the spiral of Archimedes, ix, 316.^f ----, new demonstrations on the theory of the overshot water-wheel, ix, 304^f; Quinine, preparation of, xlvii, 196. ----, remarks upon, xx, 52. ----, sulphate of, frauds in, x, 386. ----, ----, mode of detecting its adulteration with sugar, xiii, 400. ----, manufactures of, in France, xiv, 390. Quinoline, xlvii, 196. R. Races of men, enumeration and characters of, _S. G. Morton_, xxxviii, 342^f; xlvii, 206. ---- ----, stature of, xxii, 357. ----, Indian, of America, characteristics of, _S. G. Morton_, xxxviii, 345, 347, 360^f; xlvii, 408. ---- of the Andes, ancient, xxix, 358. ----, Peruvian, characteristics of ancient and modern, _S. G. Morton_, xxxviii, 361^f, 365.^f