“The brain being the seat of the ego (for you know that the spinal cord is only a transmitter, and a center of reflexes), the only question was ability to graft.
“Certainly the ear is one thing and the brain another and yet this difference is only a question of the degrees which separate:
“1. Cartilaginous matter from the nerve matter, and
“2. The accessory from the principal organ.
“Logic backed up my conviction, and my reasoning was based on famous premises officially verified.
“1. Besides their grafts of mucous membrane, skin, etc., in 1861, Phillippeaux and Vulpian replaced the nerve matter in an optic nerve.
“2. In 1880, Gluck exchanged a few centimeters of sciatic nerve in a hen for a rabbit’s nerves.
“3. In 1890, Thompson removed a few cubic centimeters of brain from dogs and cats, and into the cavity thus obtained, introduced the same quantity of cerebral substance taken from dogs and cats, or from different species. Here we have passed from cartilage to nerve, and from ear to fragment of brain.
“Let us now turn to the difficulty of the second order:
“1. Gardeners often graft whole organisms.