From the August 31, 1935, issue

TURTLE’S TANK-LIKE ARMOR NOT A CERTAIN DEFENSE

Overdevelopment of defensive armor has been demonstrated as a weakness and a snare time after time in the history of life on Earth, yet there are animals that persist in it still. Turtles and tortoises for millions of years have been depending on their horny cuirasses, disdaining the use of claws and teeth, or of long legs to run away when they cannot fight.