FOL LV 
LIST OF ILLUSTRATIONS. 
Colurus navalis, 73 
Diglena forcipata, 146 
Fisheries Exhibition Medal, 83 
Free-swimming Rotifers, 73, 146, 178, 234 
Furcularia forficula, 234 
Monostyla, 146 
Mustard, characters of, 34 
Notommata lacinulata, 234 
s Tigris, 178 
Pleurotrocha gibba, 73 
Rattulus lunaris, 73 
Sections of Pinnularia, 38, 40 
Triarthra breviseta, 234 
