CHAPTER IX.

SEPTEMBER.

Microscopic Value of Little Pools--Curious Facts in Appearance and Disappearance of Animalcules and Rotifers--Mode of Preserving them in a Glass Jar--Fragments of Melicerta Tube--Peculiar Shape of Pellets--Amphileptus--Scaridium longicaudum--A Long-tailed Rotifer--Stephanoceros Eichornii--A Splendid Rotifer--Its Gelatinous Bottle--Its Crown of Tentacles--Retreats on Alarm--Illumination Requisite to see its Beauties--Its Greediness--Richly-coloured Food--Nervous Ganglia