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Through a pocket lens

Capitula (9)

THROUGH A POCKET LENS 0:00
THROUGH A POCKET LENS: CONTENTS 0:19
CHAPTER I THE POCKET LENS, THE DISSECTING MICROSCOPE, AND SOME SIMPLE APPLIANCES 0:52
CHAPTER II ARTHROPODS AND THEIR CLASSES.—THE MARGINED WATER BEETLE; THE GREAT WATER BEETLE; THE COCKTAIL BEETLE 21:39
CHAPTER III COCKROACHES; EARWIGS; THE GREAT GREEN GRASSHOPPER; THE WATER SCORPION; THE WATER BOATMAN; CORIXA. 1:07:55
CHAPTER IV SPIDERS, MITES, AND MYRIAPODS 1:52:10
CHAPTER V CRUSTACEANS.—PRAWN, SHRIMP, MYSIS, CRABS; AMPHIPODS; ISOPODS 2:34:04
CHAPTER VI AQUATIC INSECT LARVAE 3:12:04
INDEX 3:54:04