The Petite Cave de Montarquis. Mentioned in Part I., [page 71]. (Thury, Bibliothèque Universelle de Genève, 1861, vol. X., page 150. Also quotes Morin.)—At the end of a crooked fissure 10 meters deep, a passage 6 meters long, leads into a cave 8 meters high and 5 meters in diameter. In August, 1828, Morin found an ice stalagmite of 5 meters in height in the middle of the cave.
Cave Containing Ice on the Southern Shore of Lake Geneva.—Reported; no information.
The Glacière and Neigière d’Arc-Sous-Cicon. (Browne, Ice Caves, etc., page 118.)—These lie close together in the Jura about twenty kilometers from Pontarlier. The little glacière is formed by a number of fissures in the rock, disconnected slits in the surface opening into larger chambers where the ice lies. The neigière is a deep pit, with a collection of snow at the bottom, much sheltered by overhanging rocks and trees. A huge fallen rock covers a large part of the sloping bottom of the pit, which forms a small cave in the shape of a round soldier’s tent, with walls of rock and floor of ice.
The Glacière de la Genollière. Described in Part I., [page 48]. (Browne, Ice Caves, etc., page 1.)—Mr. Browne observed in 1864 a temperature of +1.1°, and two days later of +0.8°. He also found a number of flies running rapidly over the ice and stones. He was told in England, from the specimen he brought away, that it was the Stenophylax hieroglyphicus of Stephens or something very like that fly.
The Glacière de Saint-Georges. Described in Part I., [page 62]. (Thury, Bibliothèque Universelle de Genève, 1861, vol. X.)—Professor Thury obtained the following temperatures at the Glacière de Saint-Georges:—
| OUTSIDE. | INSIDE. | |||||||
| 9th | January, | 1858 | 7.36 | P. M., | -4.5° | 7.16 | P. M., | -0.6° |
| ” | ” | ” | 7.20 | ” | -1.2° | |||
| ” | ” | ” | 7.27 | ” | -2.5° | |||
| ” | ” | ” | 7.50 | ” | -2.9° | |||
| Minimum of night | -5.8° | -4.9° | ||||||
| 10th | January, | 1858 | 10.53 | A. M., | -3.4° | 10.12 | A. M., | -4.6° |
| ” | ” | ” | 11.14 | ” | -3.1° | 10.30 | ” | -4.5° |
| ” | ” | ” | 11.45 | ” | -2.2° | 11.20 | ” | -4.4° |
| ” | ” | ” | 12.32 | P. M., | -2.4° | 12.14 | P. M., | -4.4° |
| ” | ” | ” | 1.12 | ” | -0.9° | 1.30 | ” | -4.2° |
| ” | ” | ” | 3.03 | ” | -2.9° | 2.30 | ” | -4.1° |
| ” | ” | ” | 3.56 | ” | -3.5° | 3.14 | ” | -4.0° |
| ” | ” | ” | 4.26 | ” | -3.7° | 4.00 | ” | -3.8° |
| Minimum of night | -7.6° | -6.8° | ||||||
| 11th | January, | 1858 | 9.34 | A. M., | -5.6° | |||
| 2d April, 1858 | 6.20 | P. M., | +0.7° | -0.2° | ||||
| Minimum of night | + 1.1° | |||||||
| 3d | April, | 1858 | 10.00 | A. M., | +4.0° | 9.00 | A. M., | -1.0° |
Professor Thury’s winter excursions caused him to accept as proved that part of the mountaineers’ belief, which holds that there is no ice formed in caves in winter. One of the main grounds for his opinion was the series of observations he made in the Glacière de Saint-Georges. He found no ice forming there in winter and the natives said it did not because the cavern was not cold enough. So he placed large dishes filled with water in the cave and found that they froze solid during the night, which he had been assured was impossible. Thury also found violent movements of the air at Saint-Georges in January, 1858. A candle burned steadily for some time, but at 7.16 P. M. it began to flicker and soon inclined downwards through an angle of about 45°; and in the entrance, the flame assumed an almost horizontal position. At 8 P. M., the current of air nearly disappeared. Thury thought that this violent and temporary disturbance of equilibrium was due to the fact that as the heavier air outside tended to pass into the cave, the less cold air within tended to pass out; and the narrow entrance confining the struggle to a small area, the weaker current was able for a while to hold its own.
The Glacière du Pré de Saint-Livres. Described in Part I., [page 65]. (Browne, Ice Caves, page 40.)—Mr. Browne found, in 1864, a temperature of 0°.