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 695
... colony and its branches . In transverse section the cavity of the stomodæum presents the appearance of a short T , the cross portion of the T being the siphonoglyphe ( Plate 50 , fig . 3 ) . The siphonoglyphe is beset with cilia , which ...
... colony and its branches . In transverse section the cavity of the stomodæum presents the appearance of a short T , the cross portion of the T being the siphonoglyphe ( Plate 50 , fig . 3 ) . The siphonoglyphe is beset with cilia , which ...
Pagina 697
... colonies , the aid to the circulation afforded by a siphonoglyphe became necessary . In Clavularia , in which the colony consists of a number of polyps standing on a thin stolon , the circulation is not very extensive , and consequently ...
... colonies , the aid to the circulation afforded by a siphonoglyphe became necessary . In Clavularia , in which the colony consists of a number of polyps standing on a thin stolon , the circulation is not very extensive , and consequently ...
Pagina 698
... colony becomes dimorphic . The dimorphic Alcyonaria invariably present a considerable amount of fleshy sarcosoma , or else large spaces in which a circulation of sea - water is maintained , and it is usually the case that the ...
... colony becomes dimorphic . The dimorphic Alcyonaria invariably present a considerable amount of fleshy sarcosoma , or else large spaces in which a circulation of sea - water is maintained , and it is usually the case that the ...
Pagina 699
... colony , and here we find , owing probably to the need of only a feeble current , very small siphonozooids . In Pennatula , which presents a considerable quantity of sarcosoma , the siphonozooids are comparatively large . In Heliopora ...
... colony , and here we find , owing probably to the need of only a feeble current , very small siphonozooids . In Pennatula , which presents a considerable quantity of sarcosoma , the siphonozooids are comparatively large . In Heliopora ...
Pagina 700
... colony . The formation of the colonies may have taken place in two ways : first , by the formation of buds from the first formed polyp ; and secondly , by the intermediation of a stolon upon which the young buds were formed . A colony ...
... colony . The formation of the colonies may have taken place in two ways : first , by the formation of buds from the first formed polyp ; and secondly , by the intermediation of a stolon upon which the young buds were formed . A colony ...
Overige edities - Alles bekijken
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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