TO 



THE MEMORY OP 



MARTHA FREEMAN GODDARD 



WHOSE DEVOTED INSTRUCTION IN BIOLOGY IS A LASTING 



INFLUENCE FOR GOOD IN THE LIVES OP HUNDREDS 



OF BOYS AND GIBL8 AND WHOSE BABE SKILL 



IN LEADERSHIP IS AN INSPIBATION TO 



EVERY TEACHEB WHO KNEW HEB 



THIS BOOK 18 DEDICATED 



BY THE AUTHORS 



