IV 
CONTENTS. 
Page. 
Proceedings of the Society, 1892 . . 503 
Proceedings of the Society, 1893 . 518 
Proceedings of the Society, 1894 ... ... 531 
Proceedings of the Mathematical Section. 545 
Proceedings of the Four Hundredth Meeting of the Society. 547 
Index. 563 
LIST OF PLATES. 
Plate 1. Geology of Chilhowee Mountain, Tennessee—Keith_ 88 
2. Molecular variation in certain igneous rocks—Iddings .. 214 
3. Lunar crater Clavius—Gilbert. 241 
4. Hot winds on the Great Plains—Cline. 314 
5. “ “ “ “ . 320 
6. “ “ “ “ . 324 
7. View of Mauna Kea—Preston. 369 
8. Part of Maui, Hawaiian Islands —Preston. 374 
9. “ “ “ “ “ . 383 
10. Island of Hawaii—Preston.. 392 
[11.] Portrait of Garrick Mallery. 466 
[12.] Portrait of James Clarke Welling. 486 
ILLUSTRATIONS. 
Figure [—] Rainfall diagram—Greely. 59 
1. Type form of lunar crater—Gilbert.. 243 
2. Cross-profile of lunar crater—Gilbert. 244 
3. View and section of margin of basaltic table—Gilbert.. 244 
4. Varieties of lunar craters—Gilbert. 245 
5. Relative sizes of lunar and terrestrial craters—Gilbert.. 248 
6. Crater of Vesuvian type, without central cone—Gilbert. 250 
7. u “ “ with central cone—Gilbert_ 250 
8. “ Hawaiian type—Gilbert.. . 251 
9. “ Maar type—Gilbert. 252 
10. Incidence angle of meteors—Gilbert. 263 
11. “ “ moonlets—Gilbert. 264 
12. Distribution curves—Gilbert. 264 
13. Central hill formed experimentally by gravitational re¬ 
coil—Gilbert. 273 
14. Trends of lunar sculpture—Gilbert. 277 
15. Mathematical diagram—Preston. 372 
16. “ “ “ . 381 
17. “ “ “ . 389 
18. Magnetic curves, southern England—Bauer. 403 
