TABLE OF CONTENTS. 



CHAPTER IX. 

 AERONAUTIC OR BALLOONING HABIT. 



PAGES 



Flying Spiders Velocity of Flight Attitude of the Aeronautic Spider Frolicsome Spi- 

 derlings In the Air Controlling the Descent The Height of Ascents Floating 

 Gossamer Aeronautic Orbweavers Flossy Balloons Modes of Ballooning Aerial 

 Navigation The Huntsman Spider Around the World by the Trade Winds Spi- 

 ders at Sea Distribution of Species Gossamer Showers Their Origin Dr. Jona- 

 than Edwards His boyish Studies of Spider Life Professor Silliman's Tribute . 256-282 



PART IV. SENSES OF SPIDERS AND THEIR RELATIONS 



TO HABIT. 



CHAPTER X. 

 THE SENSES OF SPIDERS, AND THEIR ORGANS. 



Spider's Eyes Ocellus Structure of Eyes Orbs made in the Dark Cocooning in the 

 Dark Sighting Prey Night Habits Color of Eyes Night Eyes and Day Eyes 

 Atrophy of Eyes Cave Fauna Sensitive to Light Limited Vision Good Sight in 

 Saltigrades Lubbock's Experiments Eye Turrets Eye Tubercles Sense of Smell 

 The Peckhams' Experiments Olfactory Organs Sense of Hearing Organs of Hear- 

 ing Effects of Sound A Disgusted Spider Communication by Touch Sensitive- 

 ness to Music Attracted by a Lute The Violin Beethoven and the Spider A 

 Natural Explanation -Auditory Hairs Wagner's Studies Are Spiders Mute? A 

 Male Love Call Stridulating Crustaceans Scorpions Westring's Discoveries Strid- 

 ulating Theridioids How Sounds are Made Mygale stridulans Uses of Stridula- 

 tion Mute Mygale How Tarantula Strikes 283-322 



CHAPTER XI. 

 COLOR AND THE COLOR SENSE. 



Facts of Spider Colors Beautiful Spiders Attoid Jewels Metallic Hues Colors of the 

 Shamrock Spider Color Development in Young Color and Sex Moulting Influ- 

 ences Colors of Age Effects of Muscular Action Influence of Sex Color Con- 

 sciousness Climatic Influences Influence of Environment Mimetic Harmonies- 

 Color of Cave Spiders Bleached by Sunlight Color Utility Industrial Compensa- 

 tions Warning Colors Unconscious of Danger Color Consciousness Color Sense 

 of Spiders Spiders prefer Red Mimicry and Colors Cocoon Colors Prevailing 

 Spider Colors Color of Silk Metallic Hues Color Scales 323-351 



PART V. HOSTILE AGENTS : THEIR INFLUENCE. 



CHAPTER XII. 

 MIMICRY IN SPIDERS. 



Industrial Mimicry Cutting Ants Mimetic Trapdoors Self Protection Trapdoor 

 Architecture Moggridge and his Trapdoor Spiders Tree Trapdoors Form Mimi- 

 cry of Animals Ant like Spiders Value of slight Variation Darwin's Theory 

 Sight of Birds Birds eating Ants English Game Birds at Linton Park The 



