— Holmesite, T. Thomson, xxxi, 172.
— hops, vi, 393.
— Hudsonite, L. C. Beck, xlvi, 32.
— Humboldtilite, xi, 251.
— huraulite, xix, 371.
— hydrate of magnesia, Hoboken, vii, 370.
— hydraulic limestones, L. C. Beck; xlvi, 29.
— hydroboracite, xxviii, 394.
— hydromagnesite, of Hoboken, M. Wachtmeister, xviii, 167.
— hydrous anthophyllite of N. York, T. Thomson, xix, 359.