I. Researches on the minute structure of the thyroid gland

Abstract

This research, which is a continuation of one previously com­municated to the Society,* is based on an examination of this organ in the dog, cat, horse, rabbit, ox, sheep, seal, pigeon, fowl, rook, tortoise, frog, skate, and conger-eel. The research has been carried on under the direction of Dr. Klein, and the following are the chief conclusions which have been arrived at:—