Bullia digitalis Bullia digitalis Bullia digitalis, the finger plough shell or plough snail, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks. These dominant scavengers scent decaying animal matter from a considerable distance so that they converge from all directions to feed. Length: 60 mm Narrow, smooth shell with a long, pointed spire, usually light yellow or creamy, often tinged with violet or yellow. The large, oval foot is offwhite. The operculum has serrated margins. The ovate shell is elongated, subturreted, smooth and polished. It is of a reddish yellow
Where Mathematics Comes From Where Mathematics Comes From Where Mathematics Comes From: How the Embodied Mind Brings Mathematics into Being (hereinafter "WMCF") is a book by George Lakoff, a cognitive linguist, and Rafael E. Núñez, a psychologist. Published in 2000, "WMCF" seeks to found a cognitive science of mathematics, a theory of embodied mathematics based on conceptual metaphor. Mathematics makes up that part of the human conceptual system that is special in the following way: Nikolay Lobachevsky said "There is no branch of mathematics, however abstract, which may not some day be applied to phenomena of the real world." A common type of conceptual