Contents 



VII 



CHAPTER PAGE 



3. DETERMINING THE DISTANCES TO THE HEAVENLY BODIES 167 



4. THE STARRY HEAVENS 172 



5. STARS NEAR THE NORTH POLE OF THE HEAVENS . 190 



6. OTHER PARTS OF THE NORTHERN SKY . . .196 



7. OTHER STARS AND CONSTELLATIONS . -203 



8. SOME THINGS TO OBSERVE AND EXPLAIN . . .211 



9. THE SUN 214 



10. /THE MOON 223 



11. PHASES OF THE MOON AND ECLIPSES . . . .228 



12. THE PLANETS 232 



13. MERCURY AND VENUS 237 



14. MARS AND THE MINOR PLANETS 241 



15. THE OUTER PLANETS 246 



16. SHOOTING STARS . 254 



17. COMETS 260 



APPENDIX 



A List of Books on Stars 264 



PART THREE BIRDS 



1. BIRDS , 267 



2. THE THRUSH FAMILY 271 



3. KINGLETS 277 



4. CLASSIFICATION OF BIRDS 279 



5. TITMICE AND NUTHATCHES . . ...*.': 284 



6. FEEDING BIRDS IN WINTER 288 



7. THE BROWN CREEPER AND THE WRENS . . .291 



8. THE BROWN THRASHER AND ITS RELATIVES . .295 



9. WOOD WARBLERS f 99 



10. MIGRATION OF BIRDS 304 



11. VIREOS, SHRIKES, AND WAXWINGS . 308 



12. SWALLOWS , 313 



