﻿38 
  PROFESSOR 
  FORBES 
  ON 
  THE 
  VOLCANIC 
  GEOLOGY 
  OF 
  THE 
  VIVARAIS. 
  

  

  TABLE 
  of 
  HEIGHTS 
  in 
  the 
  Vivarais 
  above 
  the 
  Level 
  of 
  the 
  Mediterranean, 
  

   barometrically 
  determined 
  in 
  1839 
  and 
  1841 
  {the 
  latter 
  are 
  marked 
  thus 
  *). 
  

  

  * 
  Alignon 
  and 
  Ardeche, 
  Surface 
  of 
  Lava 
  at 
  Junction 
  of, 
  

   Antraigues, 
  Bridge, 
  

   Aubenas, 
  Hotel, 
  second 
  floor, 
  

  

  * 
  ... 
  ••• 
  first 
  floor, 
  

   Aysac, 
  Coupe 
  d', 
  Summit 
  of 
  Crater, 
  

  

  * 
  Bauzon 
  Volcano, 
  Summit, 
  

  

  * 
  Burzet, 
  Village, 
  

   Cliambon, 
  Lava 
  of, 
  highest 
  part, 
  

  

  * 
  Champ 
  Raphael, 
  Church, 
  

  

  * 
  Fiollonge, 
  Crater, 
  

  

  * 
  Jaujac, 
  Carbonic 
  Acid 
  Spring, 
  . 
  

  

  Surface 
  of 
  Lava 
  at 
  Village 
  of, 
  

   * 
  

  

  Top 
  of 
  Crater, 
  

   La 
  Bastide, 
  Village, 
  

   Libounez, 
  Village, 
  . 
  

  

  * 
  Mesilhac 
  Church, 
  

   Montpezat, 
  Bridge 
  of 
  Fontaulier, 
  

  

  Gravenne, 
  highest 
  part, 
  

   lowest 
  part, 
  

   Village 
  (6 
  obs.), 
  

  

  * 
  Neyrac, 
  Carbonic 
  Acid 
  Spring 
  at 
  Village 
  of, 
  

  

  Volcano 
  of, 
  . 
  

   Pal, 
  Crater 
  of, 
  Water 
  Drainage, 
  . 
  

  

  highest 
  part, 
  

   Pic 
  de 
  l'Etoile, 
  

   Pont 
  de 
  la 
  Beaume, 
  

  

  * 
  Thuez, 
  Base 
  of 
  Lava 
  Cliff 
  at, 
  

  

  Inn, 
  second 
  Floor, 
  

   * 
  

  

  Mean 
  adopted, 
  

   . 
  . 
  . 
  Level 
  of 
  the 
  Ardeche 
  at 
  Pont 
  du 
  Diable, 
  

   Surface 
  of 
  Lava 
  at, 
  

  

  * 
  ... 
  Volcano 
  of 
  Mouleyres 
  Summit, 
  

  

  * 
  Vals, 
  Inn, 
  .... 
  

  

  Metres. 
  

  

  Eng. 
  Feet. 
  

  

  341 
  

  

  1117 
  

  

  421 
  

  

  1383 
  

  

  316 
  

  

  1035 
  | 
  

   1019 
  J 
  

  

  311 
  

  

  805 
  

  

  2640 
  

  

  1500 
  

  

  4922 
  

  

  553 
  

  

  1815 
  

  

  1260 
  

  

  4134 
  

  

  1344 
  

  

  4409 
  

  

  1121 
  

  

  3678 
  

  

  467 
  

  

  1531 
  

  

  431 
  

  

  1413 
  1 
  

  

  413 
  

  

  1354 
  J 
  

  

  587 
  

  

  1923 
  

  

  592 
  

  

  1942 
  

  

  523 
  

  

  1716 
  

  

  1155 
  

  

  3791 
  

  

  468 
  

  

  1534 
  

  

  831 
  

  

  2727 
  

  

  800 
  

  

  2626 
  

  

  566 
  

  

  1857 
  

  

  407 
  

  

  1359 
  

  

  664 
  

  

  2178 
  

  

  1186 
  

  

  3893 
  

  

  1383 
  

  

  4537 
  

  

  1282 
  

  

  4204 
  

  

  327 
  

  

  1073 
  

  

  409 
  

  

  1343 
  

  

  464 
  

  

  1522] 
  

   1569 
  J 
  

  

  478 
  

  

  471 
  

  

  1545 
  

  

  377 
  

  

  1237 
  

  

  462 
  

  

  1514 
  

  

  618 
  

  

  2026 
  

  

  235 
  

  

  773 
  

  

  