...disk, and the like unindurated weapons. At a later period armor became generally adopted for defense, and the tooth became the most efficient weapon of...principle of attack, while claws were added to teeth aa assailing weapons. Finally mentality came into play, intelligence became the most efficient agent...

...suckingdisk, and the like unindurated weapons. At a later period armor became generally adapted for defense, and the tooth became the most efficient weapon of attack. Still later, armor was discarded, anil flight or concealment became the main method of escape, and swift pursuit the principle of attack,...

...weapon of attack, till Inter armor was discarded, and flight or concealment became the main method of escape, and swift pursuit the principle of attack,...became the most efficient agent both in attack and defense, and a special development of the mind began. The article is so condensed as to render it difficult...

...weapon of attack, till later armor was .discarded, and flight or concealment became the main method of escape, and swift pursuit the principle of attack,...became the most efficient agent both in attack and defense, and a special development of the mind began. The article is so condensed as to render it difficult...

...weapon of attack, till later armor was discarded, and flight or concealment became the main method of escape, and swift pursuit the principle of attack,...became the most efficient agent both in attack and defense, and a special development of the mind began. The article is so condensed as to render it difficult...