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 698
... usually the case that the circulation is entirely maintained by individuals which have become specially modified for that purpose - the siphonozooids . Following this line of reasoning it is not difficult to understand the absence of ...
... usually the case that the circulation is entirely maintained by individuals which have become specially modified for that purpose - the siphonozooids . Following this line of reasoning it is not difficult to understand the absence of ...
Pagina 700
... usually remain in the centre of the colony . Taking a hypothetical ancestor , x , which probably had a conformation somewhat as follows : A central large polyp from which sprung , in a fan - shaped manner , a number of lateral buds of ...
... usually remain in the centre of the colony . Taking a hypothetical ancestor , x , which probably had a conformation somewhat as follows : A central large polyp from which sprung , in a fan - shaped manner , a number of lateral buds of ...
Pagina 725
... usually four such groups on each cell . It is their function to draw water from the exterior into the cavities of the colony , as may be shown by adding finely pulverised carmine to the water of the aquarium . Minute but powerful ...
... usually four such groups on each cell . It is their function to draw water from the exterior into the cavities of the colony , as may be shown by adding finely pulverised carmine to the water of the aquarium . Minute but powerful ...
Pagina 728
... usually be distinguished by external examination . During the months of May , June , and July many Renillas were found with the cavities of the polyps packed with the lead - coloured ovaries or the whitish spermatic capsules . The egg ...
... usually be distinguished by external examination . During the months of May , June , and July many Renillas were found with the cavities of the polyps packed with the lead - coloured ovaries or the whitish spermatic capsules . The egg ...
Pagina 729
... usually found to contain considerable quantities of immature eggs . Hence it seems probable that there may be several successive broods of egg in a single year , since the spawning season extends over two or three months . It is a ...
... usually found to contain considerable quantities of immature eggs . Hence it seems probable that there may be several successive broods of egg in a single year , since the spawning season extends over two or three months . It is a ...
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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