TY - GEN AU - Moseley,H.N. TI - Preliminary report to professor Wyville Thomas, director of the civilian scientific staff, on the true corals dredge by H.M.S. "Challenger", in deep water, between the dates Dec. 30th, 1870 and Aug. 31st, 1876 PY - 1876/// CY - London PB - [s.n.], ER -