CHAPTER V.

APRIL.

The Beautiful Floscule--Mode of Seeking for Tubicolar Rotifers--Mode of Illuminating the Floscule--Difficulty of seeing the Transparent Tube--Protrusion of Long Hairs--Lobes--Gizzard--Hairy Lobes of Floscule not Rotatory Organs--Glass Troughs--Their Construction and Use--Movement of Globules in Lobes of Floscule--Chaetonotus larus--Its mode of Swimming--Coleps hirtus--Devourer of Dead Entomostraca--Dead Rotifer and Vibriones--Theories of Fermentation and Putrefaction--Euplotes and Stylonichia--Fecundity of Stylonichia