CONTENTS
Introduction
PAGE
I Signs on the Beach 1
II Collecting 6
III Classification 19
IV Animal Life in its Lowest Forms 21
V Distribution of Animal Life in the Sea 23
VI Some Botanical Facts about AlgÆ 25
VII Naming of Plants 28
VIII Distribution of AlgÆ 30
IX Some Peculiar and Interesting Varieties of AlgÆ 32
X Uses of AlgÆ 37
XI Collecting at Bar Harbor 40
PART I
Marine AlgÆ
I Blue-Green Seaweeds (CyanophyceÆ) 47
Grass-Green Seaweeds (ChlorophyceÆ) 47
II Olive-Green and Brown Seaweeds (PhÆophyceÆ) 61
III Red Seaweeds (RhodophyceÆ or FlorideÆ) 75
PART II
Marine Invertebrates
I Porifera (Sponges) 99
II Coelenterata (Polyps) 111
III Worms (Platyhelminthes, Nemathelminthes, Annulata) 159
IV Molluscoida 187
V Echinodermata 199
VI Arthropoda 237
VII Mollusca 299
VIII Chordata 471
Index 479
                                                                                                                                                                                                                                                                                                           

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