These, with our equine patients, are rather of a dietetic than medicinal order, although what may be called artificial aid is given by drugs in the alleviation of the spasmodic cough of chronic asthma or broken wind (see p. 11 of this volume). The chief of them are: arseniates of iron and copper, oils, fats, as suet and lard, and the sedative agents already referred to, namely, opium, belladonna, camphor, conium, lobelia, dulcamara, etc.