X CONTENTS 



XX. THE HONEY-BEE ANO OTHER SOCIAL ANIMALS 



The life of a honey-bee, 302. — Ants, 309. — Wasps and bumble-bees, 315. 

 — Otiier social animals, 31S. 



XXL— HOW ANIMALS ARE DISTRIBUTED OVER THE WORLD 



Animals limited to particular regions, 319. — Barriers, 320. — How animals 

 spread, 321. — Map showing the distribution of animals, 322. 



APPENDICES 



APPENDIX I.— NOTE-BOOKS, DRAWINGS, AND REFERENCE 

 BOOKS, 325. 



APPENDIX II.— REARING ANIMALS, AND MAKING COLLEC- 

 TIONS 



Live-cages and aquaria, 329. — Making collections, 333. — Collecting and 

 preserving insects, 335. — Collecting and preserving birds, 338. — Collecting 

 and preserving mammals, 342. — Collecting and preserving other animals, 344. 



APPENDIX III.— CLASSIFIC-VTION OF ANIMALS, 345. 



