Keywords: Plate XIII - Report on certain Hydroid, Alcyonarian, and Madreporarian Corals procured during the Voyage of H.M.S -ext8.png Portion of a fine section of the ccenosteum as seen under Hartnach's objective No 8 eyepiece No 3 The canals bored by the parasitic fungus are seen traversing the calcareous matter At a the fibro-crystalline elements of the hard tissue project in a series of points 2012-04-13 File Plate XIII - Report on certain Hydroid Alcyonarian and Madreporarian Corals procured during the Voyage of H M S Challenger jpg Creator Henry Nottidge Moseley Atelier graphique Custom license marker 2012 04 13 PD-Challenger Report Uploaded with UploadWizard Henry Nottidge Moseley Millepora exaesa |