Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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Pagina
... Observations of the Habits of the Social Hymenoptera . By Sir JOHN LUBBOCK , Bart . , F. R. S. , etc. $ 2.00 . 43. THE SCIENCE OF POLITICS . By Professor SHELDON AMOS . $ 1.75 . 44. ANIMAL INTELLIGENCE . BY GEORGE J. ROMANES , M. D. ...
... Observations of the Habits of the Social Hymenoptera . By Sir JOHN LUBBOCK , Bart . , F. R. S. , etc. $ 2.00 . 43. THE SCIENCE OF POLITICS . By Professor SHELDON AMOS . $ 1.75 . 44. ANIMAL INTELLIGENCE . BY GEORGE J. ROMANES , M. D. ...
Pagina 2
... observation which many of my experiments required : both with the unassisted eye and with the microscope numberless points of detail, unnoticed before, became familiar to the mind ; the forms as a whole were impressed upon the memory ...
... observation which many of my experiments required : both with the unassisted eye and with the microscope numberless points of detail, unnoticed before, became familiar to the mind ; the forms as a whole were impressed upon the memory ...
Pagina
... observe , however , that although I have throughout kept in view the requirements of a general reader , I have also ... observations and results which have been yielded by this research . G. J. R. LONDON , 1884 . CONTENTS . CHAPTER ...
... observe , however , that although I have throughout kept in view the requirements of a general reader , I have also ... observations and results which have been yielded by this research . G. J. R. LONDON , 1884 . CONTENTS . CHAPTER ...
Pagina 3
... observe that the worker in marine zoology has one great advantage over his other scientific brethren . Apart from ... observations in the cool sea - water tanks and bell - jars of a neat little wooden workshop thrown open to the sea ...
... observe that the worker in marine zoology has one great advantage over his other scientific brethren . Apart from ... observations in the cool sea - water tanks and bell - jars of a neat little wooden workshop thrown open to the sea ...
Pagina 4
... observe , however , that although I have throughout kept in view the requirements of a general reader , I have also ... observations and results which have been yielded by this research . G. J. R. LONDON , 1884 . CHAPTER CONTENTS ...
... observe , however , that although I have throughout kept in view the requirements of a general reader , I have also ... observations and results which have been yielded by this research . G. J. R. LONDON , 1884 . CHAPTER CONTENTS ...
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