Croton

A great genus of euphorbiaceous plants. C. eleuteria, yields cascarilla. C. tiglium, croton oil; C. niveus, a part of the product called copalche bark. C. Aldehyd, a compound obtained by the condensation of acetaldehyd when heated with dilute with water and zinc chlorid; it is a liquid, soluble in water, po e ing an irritating odor; it boils at from 1040 to 1050 and has a sp. gr. of 1.033 at 1° tlie air it oxidizes to crotonic acid. C. Chloral. See Chloral butylicum. C. Oil. See Tiglii, Oleum. krt/-ton-ol, An acid, aromatic principle in croton oil, believed to be the vesicant constituent of the oil. (iroop). Membranous croup; pseudo-membranous croup; true croup; a disease of the larynx and trachea of children, prominent symptoms of which are a peculiar cough, and difficulty in breathing; it is often accompanied by the development of a membranous deposit or exudate upon the parts. There is doubt as to the real nature Crucifixion Attitude tude. (kru-se-fik' '-shun). See Atti- Crucing (kru'-sing). See Block Teeth.