C. orbiculare hyalinum. Orbicular bright cyclidium.
A very pellucid white animalculum, or orbicular skin, the edges a little darker than the rest. By the assistance of the compound microscope, some globular intestines of a very crystalline appearance are just perceptible. Its motion is slow and semicircular. It is found occasionally in an infusion of hay.
84. Cyclidium Milium.
C. ellipticum crystallinum. Elliptic and crystalline cyclidium.
It is very pellucid, of a crystalline splendour, membranaceous and elliptical; a line may be perceived through the whole length of it, a point in the fore-part, the hinder-part getting darker. Its motion is swift, fluttering, and interrupted; probably both extremities are ciliated.
85. Cyclidium Fluitans.
C. ovale crystallinum. Oval crystalline cyclidium.
This is one of the smallest animalcula. The body of an oval, or rather suborbicular shape, depressed, crystalline; two small blue spaces may be discovered by the assistance of the microscope at the sides of this little creature.
86. Cyclidium Glaucoma.
C. ovatum, interaneis ægre conspicuis. Oval cyclidium, the intestines perceived with difficulty.