Contents 



PAGE 



I'REFACE Vii 



INTRODUCTION ix 



I. Biological Beginnings i 



Excerpts from "Nature of Man, Humours, Aphorisms and 



Regimen" . . Hippocrates 2 



Excerpts from "De Generatione Animalium" Aristotle 6 



Excerpts from "Enquiry into Plants" . . Theophrastiis 9 



Excerpts from "Natural History" Pliny 12 



Excerpts from "The First Observations on 'Little Animals' 



Protozoa and and Bacteria in Waters" 



Antoiiy Van Leeiiwenhoek 14 

 The Evidence of the Descent of Man from Some Lower 



Form Charles Darwin 20 



On the Relations of Man to the Lower Animals . 



Thofnas H. Huxley 29 



IL Life and the Cell : . 40 



"Whence Cometh Life?" Willis R. Hunt 41 



The Lens Turned on Life . . Donald Ciilross Peattie 46 



How Life Becomes Complex S. J. Holvies 50 



The Quest for the Mystery of Life 



H. GordoJi Garbediaji 59 



in. The Structure and Function of Higher Plants . . 64 



A Tour of a Tree Henshaw Ward 6^ 



The Finest Show on Earth . . . Edwin B. Matzke 76 



"Supernatural" Plants Karl C. Haviner 83 



IV. Nutrition 86 



Food and Fitness A. ]. Carlson 86 



Why We Eat What We Eat . . Warren T. Vaughan 92 



Fads, Fancies and Fallacies in Adult Diets 



Russell M. Wilder loi 

 xi 



