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An extensive artificial group of birds including the wading, swimming, and cursorial birds.

A genus of Infusoria which form minute vaselike or tubular cases in which they dwell.

partaking of simple growth and enlargement of the systems of nutrition, apart from the sensorial or distinctively animal functions; vegetal. -- Veg"e*ta*tive*ly, adv. -- Veg"e*ta*tive*ness, n.

A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.

uced by minute colorless cilia. It has been considered as belonging to the flagellate Infusoria, but is now referred to the vegetable kingdom, and each globule is considered a colony of many individuals. The commonest species is Volvox globator, often called globe animalcule.

Any one of numerous species of ciliated Infusoria belonging to Vorticella and many other genera of the family Vorticellidæ. They have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched.…

Any one of several species of small insessorial birds of the genus Cinclus (or Hydrobates), especially the European water ousel (C. aquaticus), and the American water ousel (C. Mexicanus). These birds live about the water, and are in the habit of walking on the bottom of streams beneath the water in search of food.…

An Australian insessorial bird (Corcorax melanorhamphus) noted for the curious actions of the male during the breeding season. It is black with a white patch on each wing.

An Australian crested insessorial bird (Sphenostoma cristatum) having a wedge-shaped bill. Its color is dull brown, like the earth of the plains where it lives.

Any one of numerous species of scansorial birds belonging to Picus and many allied genera of the family Picidæ.

The common support, often branched, of certain species of social Infusoria.

The branched, and often treelike, support of the colonies of certain Infusoria.