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. |
From inside the book
Results 1-5 of 85
Page 401
... appearance of Prototentacles Metatentacles .. Oral Disk Mouth and Stomodæum .. Coloration ... Mesenteries Mesenteries in genera reproducing by Budding Mesenteries in genera reproducing by Fission . 409 411 413 415 416 416 418 421 426 ...
... appearance of Prototentacles Metatentacles .. Oral Disk Mouth and Stomodæum .. Coloration ... Mesenteries Mesenteries in genera reproducing by Budding Mesenteries in genera reproducing by Fission . 409 411 413 415 416 416 418 421 426 ...
Page 409
... appearances according as it is fully expanded or retracted within its calice . When expanded it presents two distinct regions ... appearance in the fully expanded condition , the descriptive term column has been but little employed in ...
... appearances according as it is fully expanded or retracted within its calice . When expanded it presents two distinct regions ... appearance in the fully expanded condition , the descriptive term column has been but little employed in ...
Page 413
... appearance ; and even on fullest expansion , when free from the corallum , the tubercle - like character rarely entirely disappears . Sometimes the verrucæ are indicated by a slight color distinction , and often give a coarse appearance ...
... appearance ; and even on fullest expansion , when free from the corallum , the tubercle - like character rarely entirely disappears . Sometimes the verrucæ are indicated by a slight color distinction , and often give a coarse appearance ...
Page 418
... appearance of corals varies greatly , according as the polyps are expanded or retracted , and it is only from a full knowledge of both conditions that a clear understanding of the relationships of the polyps to the corallum can be ...
... appearance of corals varies greatly , according as the polyps are expanded or retracted , and it is only from a full knowledge of both conditions that a clear understanding of the relationships of the polyps to the corallum can be ...
Page 419
... appearances of polyps on expansion and retraction . In the latter condition the meandering disk rests upon the skeletal projections on the floor of the calice , and the upper part of the columnar expansion lies obliquely upon the upper ...
... appearances of polyps on expansion and retraction . In the latter condition the meandering disk rests upon the skeletal projections on the floor of the calice , and the upper part of the columnar expansion lies obliquely upon the upper ...
Other editions - View all
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