| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 152 | 1904 | Arthur Louis Day | Geophysical Laboratory | The study of minerals in the laboratory |
| 2 | 154 | 1904 | Arthur Louis Day | Geophysical Laboratory | The study of minerals in the laboratory (continued) |
| 3 | 188 | 1907 | (Charles) Whitman Cross†; George Ferdinand Becker; Arthur Louis Day; Andrew Cowper Lawson; George Otis Smith; Frederic Eugene Wright; Waldemar Lindgren |
USGS | Discussion of methods of igneous intrusion |
| 4 | 221 | 1909 | Arthur Louis Day | Geophysical Laboratory | Diopside and its related minerals |
| 5 | 228 | 1910 | Arthur Louis Day | Geophysical Laboratory | Some mineral relations from the laboratory view point |
| 6 | 308 | 1916 | Arthur Louis Day | Geophysical Laboratory | Volcanic phenomena at Lassen Peak |
| 7 | 370 | 1922 | Arthur Louis Day; Eugene Thomas Allen |
Geophysical Laboratory | The hot springs of the Lassen National Park |
| 8 | 447 | 1929 | Arthur Louis Day | Geophysical Laboratory | The activities of the Carnegie Institution in seismology |
| 9 | 478 | 1931 | Clarence Norman Fenner; Arthur Louis Day |
Geophysical Laboratory | Borehole investigations in the Geyser Basin of Yellowstone National Park |