CHAMP RAPHAEL—MESILHAC—ANTRAIGUES. 33 
those of glaciers, both in their higher concave parts, and in the abruptness of their 
lower terminations. 
Figs. 3 and 4 of Plate V. shew the position of the volcanic formation of 
Fiollonge, relatively to the neighbouring valleys, which are not correctly laid down 
in Cassinr’s map.* The way to the village of La + Champ Raphael is by the saw- 
mill of Bacconnier. ‘The pastures here are filled with charming alpine flowers, 
and surrounded with extensive woods (Bois de Cuze); but La Champ is a miser- 
able exposed village, situated near the heights which overlook St Andeol and the 
valley of the Erieux, with the chain of the Mezenc in the distance. The eleva- 
tion above the sea is 4409 feet. In the neighbourhood are old basalts. A few 
miles to the eastward we reached, by a bleak exposed tract, the village of Mesil- 
hac, where we passed the night in very wretched quarters. The view from hence 
to the north is similar to that from La Champ Raphael; and I thought the moun- 
tain forms sufficiently remarkable to deserve a record, which I have given in 
Plate V., fig. 5. 
Mesilhac is a dirty hamlet of but a few houses, on the col connecting the val- 
lies of the Ardéche and Erieux, and is at a height of 3791 feet above the sea. A 
pleasant walk of only three hours took us next day through a comparatively open 
and accessible valley to the beautifully situated village of Antraigues, where we 
found ourselves amidst a wholly new series of modern volcanic formations. Oppo- 
site La Viole, a hamlet about five miles above Antraigues, there is a volcanic sum- 
mit on the right hand of the River Volane ; but as its lava is chiefly thrown in a 
different direction, we shall not at present describe it. 
Antraigues (inter aguas) is seated, as it name imports, at the junction of 
several mountain streams in a romantic hollow. It is built on a tongue of granite, 
formed by the junction of the Volane and Riviére du Mas, and is almost sur- 
rounded by patches of a flood of lava, which must once have levelled the whole 
of this mountain basin. The source of this lava is the beautiful volcano of Aysac. 
One of the most picturesque remnants of lava bed is shewn in Plate VL, fig. 1. 
La Coupe d’Aysac, one of the best-known craters of the Vivarais, is situated 
almost upon a ridge of granite near the head of a small lateral valley connected 
with that of the Volane at Antraigues, and pours its lava first into the small 
valley, and through it into that of the Volane, which has made a remarkable sec- 
tion of it exactly opposite to the village, as accurately figured by Mr Scrope.t+ 
The lower part, which is basaltic, has, as usual, given way, and left a cavern 
beneath the little cascade which descends from the lateral valley. The cone of 
; *In the View, fig. 4, the hill behind the cottage of La Fiollonge is of granite, but covered 
with cinders nearly to its summit. The rocks in front on the left are of granite, but those between 
the spectator and the cottage in the centre, are of lava, as well as in the lower part of the ravine on 
the right. 
+ So spelt in the Maps. 
} Plate XVI. The volume of the River Volane is, however, by mistake, altogether exaggerated. 
VOL. XX. PART I. i 
