— eupyrchroite, L. C. Beck, xl, 77.

— feldspar from Bytown, L. C., T. Thomson, xxxi, 173.

— —, containing titanium, xii, 187.

— garnet, manganesian of Haddam, Ct., H. Seybert, vi, 155.

— gaseous mixtures, R. Hare, xv, 279, 283.

— gastric juice, by Braconnot, xxx, 378.

— gigantolite, xlii, 387.

— glaucolite, xv, 387.

— Gmelinite, A. Connell, xxxv, 195.

— gold of Georgia, W. W. Mather, xxvii, 255.