Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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Pagina
... WATER IN CLOUDS AND RIVERS , ICE AND GLA- CIERS . By J. TYNDALL , LL . D. , F. R. S. With 35 Illustrations . $ 1.50 . 2. PHYSICS AND POLITICS ; or , Thoughts on the Application of the Prin- ciples of " Natural Selection " and ...
... WATER IN CLOUDS AND RIVERS , ICE AND GLA- CIERS . By J. TYNDALL , LL . D. , F. R. S. With 35 Illustrations . $ 1.50 . 2. PHYSICS AND POLITICS ; or , Thoughts on the Application of the Prin- ciples of " Natural Selection " and ...
Pagina 1
... sea - birds floating indifferently in the blue sky or on the water still more blue , the thoughts of many a ramble among the weedy rocks and living pools , where for the time being we all become naturalists , and where those who least ...
... sea - birds floating indifferently in the blue sky or on the water still more blue , the thoughts of many a ramble among the weedy rocks and living pools , where for the time being we all become naturalists , and where those who least ...
Pagina 3
... sea , fishing with muslin nets for the surface fauna , or steaming away far from shore to dredge for other material , or , again , carrying on observations in the cool sea - water tanks and bell - jars of a neat little wooden workshop ...
... sea , fishing with muslin nets for the surface fauna , or steaming away far from shore to dredge for other material , or , again , carrying on observations in the cool sea - water tanks and bell - jars of a neat little wooden workshop ...
Pagina 4
... sea - birds floating indifferently in the blue sky or on the water still more blue , the thoughts of many a ramble among the weedy rocks and living pools , where for the time being we all become naturalists , and where those who least ...
... sea - birds floating indifferently in the blue sky or on the water still more blue , the thoughts of many a ramble among the weedy rocks and living pools , where for the time being we all become naturalists , and where those who least ...
Pagina 4
... sea , fishing with muslin nets for the surface fauna , or steaming away far from shore to dredge for other material , or , again , carrying on observations in the cool sea - water tanks and bell - jars of a neat little wooden workshop ...
... sea , fishing with muslin nets for the surface fauna , or steaming away far from shore to dredge for other material , or , again , carrying on observations in the cool sea - water tanks and bell - jars of a neat little wooden workshop ...
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