OM-3HD tr cs CO dD 
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WB 69 29 
. Crater of the s 
. Crater of the isla in Iceland, 
. Crater of Etna in Sicily, 
* Niasara Balls, . 
. The Dal Elf Fall in Seeder 
CONTENTS. 
PLATE 50. 
. The Geyser of Iceland, 
. Submarine voleanic eruption, 
. Air voicano of Turbaso in Colum- 
bia, 
. The meleenic ielaad of Benin 
dea, . 
same, 
PLATE 51. 
. Primitive forest of Brazil, . 
. Lake of Keswick, Spore ical 
England, 
. Arch of rock on Cape Parry, 
. The fresh water cave, Isle of 
Wicht, England, 
. The Blackeang cave on the Isle of 
Wight, 
. Basalt Ter on the end of 
Tahiti, 
. The Grotto del Cane near Naples: 
. The grotto of Jupiter on the Island 
of Naxos, Greece, 
PLATE 52. 
. Icebergs of the antarctic regions, . 
Sandstone cave in Sicily, 
Lava arch in Iceland, . : 
Burning mountain near Dutt- 
weiler, . : é 
PAGE 
646 
646 
647 
645 
646 
642 
640 
630 
630 
626 
048 
630 
629 
630 
637 
646 | 
dol 
630 
992 
642 
639 
Fig. 
5. 
PLATE 52—(Continued.) 
Cascade of Teverone near Tivoli, 
6. Basalt columns on the Island of 
GO tae oF 7 8 
o: 
10. 
. The Grotte des 
. The Dunold Mill Cave, L 
Staffa, 
. Upright tree stems found in car- 
boniferous formations, 
. Island of Staffa with Fingal’s 
cave, 
. Section of the cavern ee Galen 
reuth in the Hartz, 
PLATE 53. 
Demoiselles in 
France, 5 : 
Lancashire, 
-England, 
. The cave ae WMiemee rane in Gatalpe 
nia, Spain, 
: Porphyry mountain near Kreuz- 
nach, Germany, . 
. The Lurley rock on the Rhine, 
ithe 
Rhonetrichter du 
Phone), France, 
(Perte 
. Serpentine rocks near Lizard Point, 
Cornwall, England, 
. Clay slate strata on the coast of 
Scotland, 
Submarine eeetion of ae Sinans of 
Gibraltar, . 
Do. do. between Tarifa 
and Alcazar, Spain, . 
11-13. Illustrating the cleavage of 
rocks, 
14. Ill’g subordinate beds, 
