Pyrosome: alternatives and connections

The structure which unites together the ascidiozooids in a compound ascidian.

Shaped like an ascidian.

One of the individual members of a compound ascidian. See Ascidioidea.

A snake of a black color, of which two species are common in the United States, the Bascanium constrictor, or racer, sometimes six fee…

A large tropical fish (Orcynus pelamys) allied to the tunny. It is about three feet long, blue above, with four brown stripes on the s…

A lathe tool for turning down the insides and bottoms of cylinders.

A machine, used for the purpose of giving cloth, paper, etc., a smooth, even, and glossy or glazed surface, by cold or hot pressure, o…

A large South American rodent (Hydrochaerus capybara) Living on the margins of lakes and rivers. It is the largest extant rodent, bein…

A solid measure, equivalent to 128 cubic feet; a pile of wood, or other coarse material, eight feet long, four feet high, and four fee…

An implement for drawing, made of clay and plumbago, or of some preparation of chalk, usually sold in small prisms or cylinders.

Belonging to a scale used in measuring cylinders.

To compound or mix with that is already compound; to compound a second time.

Having a specific name or denomination; specified in the concrete as opposed to abstract; thus, 7 feet is a denominate quantity, while…

An order of extinct mesozoic reptiles, mostly of large size (whence the name). Notwithstanding their size, they present birdlike chara…

A genus of extinct Merostomata, found in Silurian rocks. Some of the species are more than three feet long.

An amphibious animal of the genus Rana and related genera, of many species. Frogs swim rapidly, and take long leaps on land. Many of t…

Any one of numerous species of jumping marsupials of the family Macropodidae. They inhabit Australia, New Guinea, and adjacent islands…

Relics of neolithic man found on the coast of Denmark, consisting of shell mounds, some of which are ten feet high, one thousand feet…