CONTENTS 



Page 

 Introduction U1 



What Are Algae 1 



The Phyla of Algae 5 



Synopsis of Algal Phyla 10 



How and Where to Collect Fresh-water Algae 12 



Books and Papers Dealing with the Classification of 



Fresh-water Algae 18 



Pictured-Keys to the More Common Fresh-water Algae . . 20 



A Check List of the More Common Fresh-water Algae 



According to Families, Orders and Phyla 189 



Index and Pictured-Glossary 199 



CHINESE IDIOGRAPH FOR THE 

 WORD ALGAE. 



