Shell turriculated and siphonated, thick, each whorl with varices; foot broad and truncated anteriorly; pallial siphon well developed; proboscis present.
The ranges from Kerry to Waterford, on the other hand, truncated by the sea at either end, are clearly parts of an east and west system, the continuation of which may be looked for in South Wales and Belgium.
There is a perfect cleavage perpendicular to the trigonal axis of the crystals: the fact that only two (opposite) corners of the cube-like crystals can be truncated by cleavage at once distinguishes them from true cubes.
It was around this truncated cone that the early Greek settlers founded their little colonies.
Pinnidae.-Shell elongated, truncated and gaping posteriorly.
A remarkable feature of the Central-American ruins is the frequency of truncated pyramids built of hewn stone, with flights of steps up to the temple built on the platform at top. The resemblance of these structures to the old descriptions and pictures of the Mexican teocallis is so striking that this name is habitually given to them.
Lastly we have the white - Burchell's, or square-mouthedrhinoceros (Rhinoceros (Diceros) simus), the largest of the five, and differing from the other species in having a square truncated upper lip. In conformity with the structure of the mouth, this species lives entirely by browsing on grass, and is therefore more partial to open countries or districts where there are broad grassy valleys between the tracts of bush.
The genus Gadus is characterized by having three dorsal and two anal fins, and a truncated or notched caudal fin.
Shell flattened, umbilicated; foot anteriorly truncated with angles produced into lobes.
The truncated dodecahedron is formed by truncating the vertices of a dodecahedron parallel to the faces of the coaxial icosahedron so as to leave the former decagons.