CONTENTS. 



PAGE 



THE PLACE, METHOD, AND ADVANTAGES OF BIOLOGY IN 



ORDINARY EDUCATION ... ... ... ... i 



SCIENCE-CULTURE FOR THE MASSES ... ... 27 



A STUDY OF LOWER LIFE ... ... ... ... 45 



SOME FACTS AND FICTIONS OF ZOOLOGY ... ... 72 



THE SEA-SERPENTS OF SCIENCE .. ... ... 95 



SOME ANIMAL ARCHITECTS ... ... ... .. 126 



THE GENESIS OF LIFE ... ... ... ... ... 155 



PARASITES AND THEIR DEVELOPMENT ... ... 183 



THE LAW OF LIKENESS, AND ITS WORKING ... ... 205 



SOME MOOT POINTS IN NATURAL HISTORY ... ... 239 



THE ORIGIN OF NERVES ... ... ... ... 271 



ANIMALS AND THEIR ENVIRONMENTS ... ... 298 



WHAT I SAW IN AN ANT'S NEST ... ... ... 325 



A SUMMER'S DAY ... ... ... 346 



SCIENCE AND POETRY ... ... .. ... 360 



