The Vertebrate Skeleton

CHAPTER I.

INTRODUCTORY ACCOUNT OF THE SKELETON IN GENERAL.

BY the term =skeleton= is meant the hard structures whose function is to support or to protect the softer tissues of the animal body.

The skeleton is divisible into

A. The EXOSKELETON, which is external;

B. The ENDOSKELETON, which is as a rule internal; though in some cases, e.g. the antlers of deer,...