PLATE III. 



1. Floscularia mira . . seen obliquely from above . . . . H 



2. Floscularia mutabilis . side view ; swimming . . . . .II 



2a. ,, . . side view ; at rest ...... H 



26. young female, ventral view . . . . H 



2c. ,, .... young male, side view . . . . . H 



3. Floscularia calva . . side view H 



3a. ,, young female, dorsal view (after Mr. J. Hood) . H 



yi. ,. ,, . . young male, side view (after Mr. J. Hood) 



