Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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Pagina
... PRESENT AND PAST . By T. G. BONNEY , D. Sc . , F. R. S. , F. S. A. , etc. , Professor of Geology at University College , London . $ 1.50 . 75. WHAT IS ELECTRICITY ? By JOHN TROWBRIDGE , S. D. , Rumford Pro- fessor and Lecturer on the ...
... PRESENT AND PAST . By T. G. BONNEY , D. Sc . , F. R. S. , F. S. A. , etc. , Professor of Geology at University College , London . $ 1.50 . 75. WHAT IS ELECTRICITY ? By JOHN TROWBRIDGE , S. D. , Rumford Pro- fessor and Lecturer on the ...
Pagina 4
... PRESENT AND PAST . By T. G. BONNEY , D. Sc . , F. R. S. , F. S. A. , etc. , Professor of Geology at University College , London . $ 1.50 . 75. WHAT IS ELECTRICITY ? By JOHN TROWBRIDGE , S. D. , Rumford Pro- fessor and Lecturer on the ...
... PRESENT AND PAST . By T. G. BONNEY , D. Sc . , F. R. S. , F. S. A. , etc. , Professor of Geology at University College , London . $ 1.50 . 75. WHAT IS ELECTRICITY ? By JOHN TROWBRIDGE , S. D. , Rumford Pro- fessor and Lecturer on the ...
Pagina
... PRESENT AND PAST . By T. G. BONNEY , D. Sc . , F. R. S. , F. S. A. , etc. , Professor of Geology at University College , London . $ 1.50 . 75. WHAT IS ELECTRICITY ? By JOHN TROWBRIDGE , S. D. , Rumford Pro- fessor and Lecturer on the ...
... PRESENT AND PAST . By T. G. BONNEY , D. Sc . , F. R. S. , F. S. A. , etc. , Professor of Geology at University College , London . $ 1.50 . 75. WHAT IS ELECTRICITY ? By JOHN TROWBRIDGE , S. D. , Rumford Pro- fessor and Lecturer on the ...
Pagina 2
... present work is concerned, and if it seems almost impious to lay the " forced fingers rude " of science upon living things of such exquisite beauty, let it be remembered that our human nature is not so much out of joint that the ...
... present work is concerned, and if it seems almost impious to lay the " forced fingers rude " of science upon living things of such exquisite beauty, let it be remembered that our human nature is not so much out of joint that the ...
Pagina 4
... present volume contains a tolerably full account of the results which during six of these summers I have succeeded in obtaining . If any of my readers should think that the harvest appears to be a small one in relation to the time and ...
... present volume contains a tolerably full account of the results which during six of these summers I have succeeded in obtaining . If any of my readers should think that the harvest appears to be a small one in relation to the time and ...
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