Cinnabar in Michigan, i, 433; ii, 170; xxxvii, 185.
Cinnamon stone of Ceylon, analysis of, xiv, 204.
Cipher, new diplomatic, iv, 377.
Circulation of the blood, regulation of, T. J. Aikin, xxviii, 79.
— in plants, xix, 393.
— —, E. Emmons, xxvi, 99.
Cist, Z., mines of anthracite about Wilkesbarre, Pa., iv, 1.
Cist, J., on the Melolontha or May bug, viii, 269.f
Cisterns for water, mode of constructing, xxv, 301.
Citric acid from gooseberries, xvi, 385.