Isobutyric acid is found in the free state in carobs (Ceratonia siliqua) and in the root of Arnica dulcis, and as an ethyl ester in croton oil.
A few medicated soaps are prepared for internal use, among which are croton soap and jalap soap, both gentler cathartics than the uncompounded medicinal principles.
Crotonic acid, so named from the fact that it was erroneously supposed to be a saponification product of croton oil, may be prepared by the oxidation of croton-aldehyde, CH3 CH:CH CHO, obtained by dehydrating aldol, or by treating acetylene successively with sulphuric acid and water; by boiling allyl cyanide with caustic potash; by the distillation of 0-oxybutyric acid; by heating paraldehyde with malonic acid and acetic acid to, oo C. (T.
The sanctuary of Hera Lacinia at Croton was located in 1912.
The Sangre del drago of the Mexicans is a resin resembling dragon's blood obtained from a euphorbiaceous tree, Croton Draco.
In 1892 the excavation was begun for the foundations of a masonry dam across the Croton river, in connexion with the supply of New York.
Even rood years after this period, the dog was highly esteemed in Egypt for its sagacity and other excellent qualities; for when Pythagoras, after his return from Egypt, founded a new sect in Greece, and at Croton in southern Italy, he taught, with the Egyptian philosophers, that at the death of the body the soul entered into that of various animals.
They sent competitors to the Olympic games (among them the famous Milo of Croton); and the physicians of Croton early in the 6th century (especially in the person of Democedes) were reputed the best in Greece; but politically they appear to have generally kept themselves separate.
CROTONA, CROTO or CROTON (Gr.
On the Titicus, a tributary of the Croton river, an earthen dam was completed in 1895, with a concrete core wall zoo ft.