Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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Pagina 2
... less vivid, of those crystal globes pulsating with life and gleaming with all the colours of the rainbow, which are perhaps the most strange, and certainly in my estimation the most delicately lovely creatures in the world. It is with ...
... less vivid, of those crystal globes pulsating with life and gleaming with all the colours of the rainbow, which are perhaps the most strange, and certainly in my estimation the most delicately lovely creatures in the world. It is with ...
Pagina 2
... less vivid , of those crystal globes pulsating with life and gleam- ing with all the colours of the rainbow , which are perhaps the most strange , and certainly in my estimation the most delicately lovely creatures in the world . It is ...
... less vivid , of those crystal globes pulsating with life and gleam- ing with all the colours of the rainbow , which are perhaps the most strange , and certainly in my estimation the most delicately lovely creatures in the world . It is ...
Pagina 3
... less offensive features which are so often necessarily incidental to the study of anatomy and physiology in the higher animals . When , for instance , I con- trast my own work in a town laboratory on vertebrated animals with that which ...
... less offensive features which are so often necessarily incidental to the study of anatomy and physiology in the higher animals . When , for instance , I con- trast my own work in a town laboratory on vertebrated animals with that which ...
Pagina 12
... In nearly all cases these marginal bodies contain more or less brightly coloured pigments . The question whether any nervous tissue is present in the Medusa is one which has long occupied 12 JELLY - FISH , STAR - FISH , AND SEA - URCHINS .
... In nearly all cases these marginal bodies contain more or less brightly coloured pigments . The question whether any nervous tissue is present in the Medusa is one which has long occupied 12 JELLY - FISH , STAR - FISH , AND SEA - URCHINS .
Pagina 4
... less vivid , of those crystal globes pulsating with life and gleam- ing with all the colours of the rainbow , which are perhaps the most strange , and certainly in my estimation the most delicately lovely creatures in the world . It is ...
... less vivid , of those crystal globes pulsating with life and gleam- ing with all the colours of the rainbow , which are perhaps the most strange , and certainly in my estimation the most delicately lovely creatures in the world . It is ...
Termeni și expresii frecvente
able ambulacral feet artificial rhythm Aurelia aurita become bell blocked brium cause ceased chloroform co-ordination continue contractile strip contractile tissue contraction contraction-waves covered-eyed Medusa crawling curare diastole direction discharge Echinoderm Echinodermata Echinus effect excising excitable tissues experiments fact feeble fibres forceps fresh water function ganglionic glycerine hour Illustrations induction shocks influence instance intervals irritability jelly-fish latter lithocyst locomotor centres manubrium marginal bodies marginal ganglia minutes movements muscle muscular mutilated naked-eyed Medusa natural rhythm nectocalyx nerve nerve-cells nerve-centre nerve-fibres nerve-ring nerve-trunks nervous network nervous system normal sea-water observed occur organ paralyzed pass pedicellariæ pedicels period of latent physiological plexus poison portion prepotent Professor pulsations radial tubes rays reflex reflex action removed response Sarsia seconds segments spasm species specimens spines spontaneity Star-fish strychnia suckers surface swimming motions swimming-bell systole tank temperature tentacles tentacular tetanus Tiaropsis indicans tion umbrella unmutilated animal wave whole