CADY AND MCFARLAND.| Composition of Natural Gas. 287 
Bungen SULFUR FUMAROLES, ICELAND.!7° 
1851 Analyses by Bunsen. 
a b c d e f fa 
witha Near Vapor are ee vey icja-ni Great 
Krisuvik. : : t fr Krisuvik.| Krisuvik. : 
Krisuvik Mud Ke i ee lidk. Geyser. 
INITTROERSN5 00000000000 1.67 0.69 0.50 1.80 1.44 0.72 84.11 
Carbon dioxid....... 87.43 88.24 79.07 88.54 86.92 80.00 8.92 
Hydrogen sulfid... . 6.60 6.97 171! 1.79 3.28 24,12 0.38 
Hydrogen........... 4.30 4.10 4.72 7.87 8.36 25.14 6.59 
(Chand ovata Peravarenopratolsg.cis> || ery see eho | oases Ste ess NS esse ecient lec peace ne ens Nea an la ne ne Le 
(CORA i's aoldo nda oo lod aoa eaudllaaeegoads|letiten.a. to Sa dai ol locos Gel oET eG Scie eR iGicte petal Ibi cine er cneten [RECN ain aaa 
INSTT OEROVEYS dic ois Bah 1B SIG WLC CRO Ret SR RS TECIORTS o | GET RENO ae [bn ner aor Le ener 7 eee eee 
100.00 100.00 100.00 100.00 | 100.00 *79 98 100.00 
eae TABLE No. 30. 
28 GASES FROM CLEFTS IN LAVA OF VESUvVIus.‘** 
i 2 3 2a 
SaliireGioxvd chet eee, os Dae eases OUGAI cece s. 0 038 0 07 
(OS AV GEO cache cae oe CERIO en Ee mee aca 20 00 20 70 20 50 20.77 
SNM ETROERET IV ata pach 5 RC RE 78.36 79 30 79.47 79.16 
99.00 100 00 100 00 100.00 
Cerboli, TABLE No. 81. 
ay GASES FROM MOUNT CERBOLI AND VICINITY.’’° 
29° St. Clair Deville and F. Leblanc. 
A B Bl Cc 
JElyolrroeem SUING). Gooc0 0cc00e 0000 0006 4 10 3 70) 
@arhondioxids... (ok... ecccacss eee 91.60 | 90 705| 85:10 | Nz 43 35 
Oxyoensse yates oss BAG a Gan tin ale eee 0.00 0 00 2.70 | He 28 56 
Nitrogen and combustible gases.....| 4.30 5.60 Ze ZO Me EC He 28n09 
100.00 100 00 100.00 100 00 
29a St. Clair Deville. Gases from Vesuvius. !*6 
OK Das ce resect eC es CsRORSs Sark RM Re ee a POS cn Ae 59.53 
Oe Peart toe Nis toe). adh 8 Ste pede IN Cad a. 0 00 
Combustiblersases!sziNo se sya sere eine = Alaa 40.47 
100.00 
oe St. Clair Deville and others. Gases from Vesuvius and other 
; volcanic localities. 177 
31 Also. 178 
173. Jahresbericht, 1851, p. 856, table on p. 849. 
* Does not add up to 100. 
174. 
175. 
176. 
177. 
Jahresbericht, 1857, 713. 
Jahresbericht (1858), 791-7938. 
Compt. Rendus. 53, 1231. 
Jahresbericht, 1862, pp. 806-809. 
Jahresbericht, 1861, 1116. 
178. Jahresbericht, 1863, pp. 880-881. 
