S CONTENTS. 



Chapter IV. 

 DO BIRDS IMPROVE AS ARCHITECTS? 



F 



The Brown Thrush and Domiciles.— The Robin and Venus's Fly-trap. 

 — Nest-building and Management of the Young. — House Wrens 

 and Barn-swallows. — Kingbirds : their Familiarity 



PART II.— HABITS OF INSECTS. 

 Chapter V. 



SPIDERS AND WASPS. 



Burrowing Spiders. — Construction of Tube of Tarantula Tigrina ; 

 Manner of Capturing Insects. — Spiders closing the Doors of their 

 Domiciles. — Digger-wasp among the Spiders. — Battle between twa 

 Digger-wasps over their Prey. — Spiders with Cocoons and Young. 

 — Manner of Capturing Burrowing Spiders and Introducing them 

 into Glass-jars. — The Male Tiger - spider. — Tarantula Turricula 

 and its Burrow. — A Contented Spider in Confinement. — Manner 

 of Building in Confinement. — A Neat House-keeper. — Male of T. 

 Turricula.' — Female with Cocoon of Eggs. — Superstitious Dread of 

 Spiders. — Intelligence of Social Wasp.s. — Experiments in Taming 

 Wasps. — Death of a Baby Wasp, and Curious Behavior of the Colony 79 



Chapter VI. 



GROUND SPIDERS. 



Brain of Insects.— Escape of Young Spiders from Cocoon. — Mother's 

 Management of the Young. — Behavior of the Young Spiders. — The 

 Young setting up House-keeping. — Their Manner of Building. — Re- 

 moving the Mother's Tower. — Capturing Prey. — Lycosa Carolinensis. 

 — Insect Menagerie. — New Hampshire Spiders. — Trap-door Spiders 103 



Chapter VII. 



UNDER THE MAPLES. 



Harvesting Ants of New Jersey. — Pheidole Pennsylvania, Soldiers 

 and Workers. — Lasius Flavus. — Pheidoles' Mode of Defence. — 

 Care and Sympathy manifested towards one another in an Artificial 

 Formicary. — Crematogasters and Aphides. — A Colony of Cremato- 

 gasters Protecting a Herd of Aphides. — Behavior of the Sentinels. 

 — Formica Oagates : its Stock-raising. — Polyergus Lucidiis, wholly 

 Dependent updn its Slaves for its Existence. — Raids of Polyergus. 

 — Polyergus in Confinement .... 120 



