This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Eucaine (A and B). Both substances are closely related. Eucaine is a local anesthetic somewhat slower in action and slightly less toxic in action than cocaine. Used in 2, 4, and 10% solutions.