The Azores : or Western Islands : a political, commercial and geographical account ... . ^ over the heated and 226 sibilating gTOiind, pocked all over with fumeroles, whicli fillthe air with mephitic vapours, we next come to a deep andyawning pit, known as the Caldeira de Pedro Botelho, or asthe natives prefer to call it, Boca do Inferno, as it is whatthey picture the entrance to the pit Tophet to be, and itsappearance is certainly repelling in the extreme. Very little. BOCA DO INFERNO, OR, CALDEIRA DE TEDRO BOTELHO. water exists in the Caldeira, but what there is, is shotupward two or three f
The Azores : or Western Islands : a political, commercial and geographical account ... . ^ over the heated and 226 sibilating gTOiind, pocked all over with fumeroles, whicli fillthe air with mephitic vapours, we next come to a deep andyawning pit, known as the Caldeira de Pedro Botelho, or asthe natives prefer to call it, Boca do Inferno, as it is whatthey picture the entrance to the pit Tophet to be, and itsappearance is certainly repelling in the extreme. Very little. BOCA DO INFERNO, OR, CALDEIRA DE TEDRO BOTELHO. water exists in the Caldeira, but what there is, is shotupward two or three feet with even, recurrent spurts, and asin the case of the Caldeira dAsmodee, falls back again intoits awful abyss. It emits large quantities of gases at eachpulsation, accompanied, too, by loud and measured sounds, asof blows from a heavy sledge hammer. The water isintensely acid, and remarkable for the predominance ofsulphates, and for the presence of alum and sulphate oflime, which M. Pouque thinks are derived from the action 227 of the free sulphuric acid on the rocks enclosing the geyser,which they decompose; the sides of the pit being coveredby a fine grey silicious mud, and, as there is a wide beliefamongst the peasantry as to its efficacy for topical use incases of stiffened joints and skin diseases, the cuticleimpressions of collectors from distant parts of the islandmay be seen upon the soft plastic clay in places it wouldappear impossible and most dang
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherlondo, bookyear1886
