Philosophical Transactions of the Royal Society of London, Volume 174,Deel 3W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1884 |
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Pagina 920
... radials together is about the same . The former ( Plate 71 , figs . 1-4 , cd ) is rounded below , with its central canal completely closed up , so that it must have been detached for some little time from the remainder of the stem . The ...
... radials together is about the same . The former ( Plate 71 , figs . 1-4 , cd ) is rounded below , with its central canal completely closed up , so that it must have been detached for some little time from the remainder of the stem . The ...
Pagina 922
... radials ( r ) from the centrodorsal ( cd ) , which is , as yet , but slightly differentiated from the stemjoints below it . In all cases , however , the basals become concealed very soon after the conclusion of the Pentacrinoid stage ...
... radials ( r ) from the centrodorsal ( cd ) , which is , as yet , but slightly differentiated from the stemjoints below it . In all cases , however , the basals become concealed very soon after the conclusion of the Pentacrinoid stage ...
Pagina 923
... radials of the larval Antedon . Thus in the Devonian genus Hexacrinus ( AUSTIN ) , and in some allied forms from the Carboniferous limestone among the Platycrinda , two of the five radials are separated permanently by a single large ...
... radials of the larval Antedon . Thus in the Devonian genus Hexacrinus ( AUSTIN ) , and in some allied forms from the Carboniferous limestone among the Platycrinda , two of the five radials are separated permanently by a single large ...
Pagina 924
Royal Society (Great Britain). separate the radials . Except on the anal side , these primary interradial plates of Thaumatocrinus end simply in a free rounded edge at the margin of the disc ( Plate 71 , figs . 1–3 , 5 , i ) , which is ...
Royal Society (Great Britain). separate the radials . Except on the anal side , these primary interradial plates of Thaumatocrinus end simply in a free rounded edge at the margin of the disc ( Plate 71 , figs . 1–3 , 5 , i ) , which is ...
Pagina 925
... radial series , except as to the branching at the secondary radials , that the general appearance of the body is that of a species having six radial series . " There can , I think , be no reasonable doubt that the anal appendage of ...
... radial series , except as to the branching at the secondary radials , that the general appearance of the body is that of a species having six radial series . " There can , I think , be no reasonable doubt that the anal appendage of ...
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Veelvoorkomende woorden en zinsdelen
Alcyonaria appearance axial polyp axis basals become bilateral body buds calyx-teeth Carbonic acid carcass cavity cell-wall Chlor cilia citron band cleavage colony colour condenser connexion critical velocity deutoplasm diameter dorsal earth eddies embryo endosperm entire animal entoderm cells experiments fluid gauge granular HOFMANN's blue interradial iodine KÖLLIKER lamella larva larvæ lateral layer lime live-weight longitudinal MDCCCLXXXIII mesenterial mesenterial filaments methyl violet middle lamella nuclei observed oesophagus offal oxalate peduncular septum Pennatulacea phosphoric acid picric acid pigs pipes pit membrane plasmolysis Plate 70 portion potash precipitate protoplasm pulvinus Pure ash quantity radials radiant matter tube reagent Renilla Reteocrinus segmentation separated septa sexual polyps shown in fig side siphonoglyphe solution specimen spectrum spheres spicules stage stained stomodæum structure substance sulphate sulphuric acid supporting lamella temperature tentacles terbia tissue Trace Trace Trace Transverse section ventral chamber vitellus wall yttria yttrium Zinc Iod zooids