Jelly-Fish, Star-Fish, and Sea-Urchins: Being a Research on Primitive Nervous Systems

CONTENTS.

CHAPTER		PAGE
	Introduction	1
I.	Structure of the MedusÆ	10
II.	Fundamental Experiments	26
III.	Experiments in Stimulation	37
IV.	Experiments in Section of Covered-Eyed MedusÆ	65
V.	Experiments in Section of Naked-Eyed MedusÆ	104
VI.	Co-ordination	130
VII.	Natural Rhythm	146
VIII.	Artificial Rhythm	175
IX.	Poisons	213
X.	Star-Fish and Sea-Urchins	254

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JELLY-FISH, STAR-FISH, AND
SEA-URCHINS.