Cocaine, the active principle of Coca or Cuca, has proved a great boon to the veterinary practitioner, and especially in connection with surgical operations, which have not only been rendered easy of performance by it, but have also been deprived of much of the danger that used to attend them.

A four-per-cent solution dropped into the eye enables one to examine it, and remove any hay seeds or other foreign bodies, while the anaesthetic effect may be continued long enough to perform many operations. Injected under the skin, firing and cutting operations can be performed with a minimum of pain and restlessness on the part of the animal.