TABLE OF CONTENTS. 



BEING THE SYSTEM OF CLASSIFICATION ADOPTED IN 

 THE PRESENT VOLUME. 



(The Algce and Fungi re-arranged in co-operation with Dr. E. Knoblauch, the 

 other Divisions as in the 3rcZ Danish Edition.} 





PAGE 



DIVISION I. THALLOPHYTA ... 4 



A. Sub-Division. Myxomycetes, Slime-Fungi 5 



B. Sub-Division. Algae. 8 



Class 1. SYNGENETICJE . . . . . . . .14 



,, 2. DlNOFLAGELLATA 16 



3. DlATOME^E . 18 



,, 4. SCHIZOPHYTA ......... 22 



Family 1. Schizophycese 22 



2. Bacteria 26 



, Class 5. CONJUGATE 41 



,, 6. CHLOKOPHYCEJE 46 



Family 1. Protococcoideaj 47 



,, 2. Confervoideee ....... 53 



3. Siphoneae 59 



Class 7. CHAKACE^; 64 



,, 8. PH;EOPHYCE.E (OuvE-BuoAVN SEAWEEDS) .... 68 



Family 1. Phseosporeae 68 



,, 2. Cyclosporero 73 



Class 9. DICTYOTALES 76 



,, 10. RHODOPHYCE^E (RED SEAWEEDS) 77 



Family 1. Bangioideae 77 



2. Floridese . ' . . . ' . . . .78 



C. Sub-Division. Fungi . " .84 



Class 1. PHYCOMYCETES . ' 96 



Sub-Class 1. Zygomycetes " 96 



2. Oomycetes . 100 



Family 1. Entomophthorales ..... 102 



2. Chytridiales . . . . . .102 



3. Mycosiphonales . i . 104 



