Page:Popular Science Monthly Volume 83.djvu/20

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PSM V83 D020 Bison on a column of stalagmite.png

Pl. IV. A Bison on a Column of Stalagmite; the artist completed a figure already blocked out fortuitously by nature. Cavern of Castillo, Puente Viesgo, Spain. After Alcalde del Rio, Breuil and Sierra. Les caverues de la région Cantibrique (Espagne).