

[f 



CONTENTS 



INTRODUCTION 



PAGE 



i Signs on the Beach 1 



II Collecting G 



in Classification 19 



iv Animal Life in its Lowest Forms 21 



v Distribution of Animal Life in the Sea 23 



vi Some Botanical Facts about Algae 25 



vn Naming of Plants 28 



vin Distribution of Algae 30 



ix Some Peculiar and Interesting Varieties of Algae 32 



x Uses of Algas 37 



xi Collecting at Bar Harbor 40 



PAET I 



MARINE ALG.E 



i BLUE-GREEN SEAWEEDS 47 



(CYANOPHYCE.E) 



GRASS- GREEN SEAWEEDS 47 



(CHLOROPHYCE.E) 



ii OLIVE-GREEN AND BROWN SEAWEEDS . 61 



in RED SEAWEEDS .......... ....... 75 



(RHODOPHYCE^E OR 



PART II 



MARINE INVERTEBRATES 

 i PORIFERA (SPONGES) ............... 99 



II CCELENTERATA (POLYPS' ... ........... Ill 



ix 



80420 



