Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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Pagina
... FISH , STAR - FISH , AND SEA - URCHINS . A Research on Primi- tive Nervous Systems . By GEORGE J. ROMANES , M. D. , F. R. S. With 63 Illustrations . $ 1.75 . 50. THE COMMON SENSE OF THE EXACT SCIENCES . By WILLIAM KING- DON CLIFFORD ...
... FISH , STAR - FISH , AND SEA - URCHINS . A Research on Primi- tive Nervous Systems . By GEORGE J. ROMANES , M. D. , F. R. S. With 63 Illustrations . $ 1.75 . 50. THE COMMON SENSE OF THE EXACT SCIENCES . By WILLIAM KING- DON CLIFFORD ...
Pagina 2
... stars bespangling a mile of shining sand, or decorating the darkness of a thousand grottoes, must be joined with the image, no less vivid, of those crystal globes pulsating with life and gleaming with ... FISH, STAR-FISH, AND SEA-URCHINS.
... stars bespangling a mile of shining sand, or decorating the darkness of a thousand grottoes, must be joined with the image, no less vivid, of those crystal globes pulsating with life and gleaming with ... FISH, STAR-FISH, AND SEA-URCHINS.
Pagina 4
... fish and star - fish , or , as naturalists have named them , the Medusæ and Echinodermata . The present volume contains a tolerably full account of the results which during six of these summers I ... FISH , STAR - FISH , AND SEA - URCHINS .
... fish and star - fish , or , as naturalists have named them , the Medusæ and Echinodermata . The present volume contains a tolerably full account of the results which during six of these summers I ... FISH , STAR - FISH , AND SEA - URCHINS .
Pagina 1
George John Romanes. JELLY - FISH , STAR - FISH , AND SEA - URCHINS . INTRODUCTION . AMONG the most beautiful , as well as the most common , of the marine animals which are to be met with upon our coasts are the jelly - fish and the star ...
George John Romanes. JELLY - FISH , STAR - FISH , AND SEA - URCHINS . INTRODUCTION . AMONG the most beautiful , as well as the most common , of the marine animals which are to be met with upon our coasts are the jelly - fish and the star ...
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