Memoirs of the National Academy of Sciences, Volume 8U.S. Government Printing Office, 1902 - Science Each volume comprises one or more monographs, many of which are issued also as separates. |
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Page 404
... stages in the development of several coral species . Prof. H. V. Wilson ( 1888 ) has carried out a very complete study of the embryology and larval stages of Manicina areolata , as far as the stage at which the skeleton was about to ...
... stages in the development of several coral species . Prof. H. V. Wilson ( 1888 ) has carried out a very complete study of the embryology and larval stages of Manicina areolata , as far as the stage at which the skeleton was about to ...
Page 411
... stages of Manicina areolata , the column wall practically envelops the whole of the corallum , and all stages in its growth upward , according as the colony enlarges , can be obtained . In the skeleton the epitheca is clearly seen as a ...
... stages of Manicina areolata , the column wall practically envelops the whole of the corallum , and all stages in its growth upward , according as the colony enlarges , can be obtained . In the skeleton the epitheca is clearly seen as a ...
Page 417
... stage of muscular development more complex than that described as " diffuse . " The plaitings appear on several axes of greater or less complexity ; while in the " circumscribed " sphincter muscle of Actinian anatomy they are restricted ...
... stage of muscular development more complex than that described as " diffuse . " The plaitings appear on several axes of greater or less complexity ; while in the " circumscribed " sphincter muscle of Actinian anatomy they are restricted ...
Page 426
... stages in the diminution in number and size of the outer exocolic tentacles are , however , represented , according as the polyp has recently assumed or long maintained the apical position ; at the same time , the six members of the ...
... stages in the diminution in number and size of the outer exocolic tentacles are , however , represented , according as the polyp has recently assumed or long maintained the apical position ; at the same time , the six members of the ...
Page 427
... stage is occasionally met with on young branches , but is to be regarded as transitional to the stage in older branches with only six equal tentacles . On the same plate are also outline figures of expanded lateral polyps from near the ...
... stage is occasionally met with on young branches , but is to be regarded as transitional to the stage in older branches with only six equal tentacles . On the same plate are also outline figures of expanded lateral polyps from near the ...
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Common terms and phrases
Actinian Actiniaria adult polyps Agaricia Anthozoa apex appearance arranged asexual Asexual reproduction axial basal become bilateral pairs calice calicoblast layer canals chambers ciliated Cladocora colony color columella column wall columnar complete mesenteries coral polyps corallite corallum developed discal disk distinct dorsal endoderm entocœlic epithelium exocœlic expanded extend extruded Favia fission fissiparous full expansion gemmation gland cells gonidial granular granules grooves hexameral histological incomplete interseptal Isophyllia Lacaze-Duthiers larva larvæ later loculi Madrepora Madreporaria Manicina mesenterial filaments mesogloa 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 Siderastræa six pairs skeletal skeleton skeletotrophic tissues species stage stomodæal ectoderm stomodæal region stomodæal wall stomodæum supporting cells surface synapticula tentacles tentacular termination thickened transverse sections twelve upper usually vacuolated ventral vertical young polyps zooxanthellæ