Report on certain hydroid, alcyonarian, and madreporarian corals procured during the voyage of H.M.S. Challenger during the years 1873-76. Part III. On the deep-sea Madreporaria - Moseley, H. N. (Report on the Scientific Results of the Voyage of the H.M.S. Challenger during the years 1873-76 (Zoology), 1881)