"An order of the class Infusoria, the adult members of which have no cilia and no proper mouth, and…
"Fig. 21. -A single barbule, baring barbicels and hooklets; magnified; after Nitzsch. ...barbicels (another…
Transverse section of a bronchus. Labels: e, Epithelium (ciliated); immediately beneath it is the mucous…
"Life history of a coral, Monoxenia darwinii. A, B, Ovum. C, Division into two. D, four-cell stage.…
Ciliated epithelium from the human trachea, highly magnified. Labels: a, large ciliated cell; d, cell,…
Ciliary epithelium of the human trachea. Labels: a, layer of longitudinally arranged elastic fibers;…
"Diagram of flame cell, the internal terminus of the excretory tubules. c, cilia lining tubule; f, special…
Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent…
Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent…
Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent…
"Paramoecium. ad. Adult form, showing cilia, "mouth," contractile vacuoles, etc. div. Transverse division.…
"Paramoecium caudatum. A, the living animal from the ventral aspect; B, the same in optical section:…
"A., a minute portion of the branched excretory system of a Plathelminth, showing longitudinal duct…
"B., one of the characteristic hollow flame-cells, leading into the excretory tubule (1), showing the…
A rotifer or wheel animalcule (Floscularia ornata) is a microscopic animal named for the cilia used…
In this Turbellarian the digestive tract (d.t.) is a blind sac. st., boundary of stomodaeum and mesenteron;…
Vorticella are members of the Protista kingdom. They are often found in stagnant pools, attached to…
Vorticella are members of the Protista kingdom. They are often found in stagnant pools, attached to…
Vorticella are members of the Protista kingdom. They are often found in stagnant pools, attached to…