CHAPTER VI.

MAY.

Floscularia cornuta--Euchlanis triquetra--Melicerta ringens--Its Powers as Brickmaker, Architect, and Mason--Mode of Viewing the Melicerta--Use of Glass Cell--Habits of Melicerta--Curious Attitudes--Leave their Tubes at Death--Carchesium--Epistylis--Their Elegant Tree Forms--A Parasytic Epistylis like the "Old Man of the Sea"--Halteria and its Leaps--Aspidisca lynceus