Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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... Cassell ) , all the illustra- tions are either original or copies of those in my Royal Society papers . In the letter - press also I have not scrupled to draw upon these papers , 19. ANIMAL PARASITES AND MESSMATES . By Professor P. J..
... Cassell ) , all the illustra- tions are either original or copies of those in my Royal Society papers . In the letter - press also I have not scrupled to draw upon these papers , 19. ANIMAL PARASITES AND MESSMATES . By Professor P. J..
Pagina
... Cassell ) , all the illustra- tions are either original or copies of those in my Royal Society papers . In the letter - press also I have not scrupled to draw upon these papers , wherever it seemed to me that the passages would be.
... Cassell ) , all the illustra- tions are either original or copies of those in my Royal Society papers . In the letter - press also I have not scrupled to draw upon these papers , wherever it seemed to me that the passages would be.
Pagina 4
... Cassell ) , all the illustra- tions are either original or copies of those in my Royal Society papers . In the letter - press also I have not scrupled to draw upon these papers , wherever it seemed to me that the passages would be.
... Cassell ) , all the illustra- tions are either original or copies of those in my Royal Society papers . In the letter - press also I have not scrupled to draw upon these papers , wherever it seemed to me that the passages would be.
Pagina 56
... original irritability of strona medium current current Fig . 5 . the tissue , no response is given to the first two or three shocks of a series ; but at the third or fourth shock a slight response is given , and from that point onward ...
... original irritability of strona medium current current Fig . 5 . the tissue , no response is given to the first two or three shocks of a series ; but at the third or fourth shock a slight response is given , and from that point onward ...
Pagina 85
... original barrier without any per- ceptible diminution of their force . In some cases , by exploring with graduated stimuli and needle- point terminals , I was able to ascertain the precise line through which this eruption of stimulating ...
... original barrier without any per- ceptible diminution of their force . In some cases , by exploring with graduated stimuli and needle- point terminals , I was able to ascertain the precise line through which this eruption of stimulating ...
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