West Indian Madreporarian Polyps, Volume 8, Part 7

Actinian Actiniaria adult polyps Agaricia Anthozoa apex appear arranged asexual Asexual reproduction axial basal become bilateral pairs calice calicoblast layer canals chambers ciliated Cladocora colony color columella column wall columnar complete mesenteries condition coral polyps corallite corallum developed discal disk distinct dorsal ectoderm endoderm entoccelic epithelium exoccelic expanded extend extruded Favia fission fissiparous full expansion gastro-ccelomic cavity gemmation gland cells gonidial granular granules grooves hexameral histological incomplete interseptal larva later loculi Madrepora Madreporaria Manicina mesenterial filaments mesenterial pairs mesoghea mesoglcea musculature narrow nematocysts occur oral aperture Orbicella outer oval pairs of directives pairs of mesenteries peripheral peristome perithecal Porites present primary protocnemes radial represented retracted polyps retractor retractor muscle ridges septa septal invaginations Siderastrsea six pairs skeletal skeleton skeletotrophic tissues species stage stomoda?um stomodamm stomodreal stomodreum supporting cells surface synapticula tentacles tentacular termination thickened transverse sections twelve usually vacuolated ventral vertical young polyps Zoantharia zooxanthelhe