Half hours with insects . Simon, a French entomologist, to- burrow severalfeet deep in the porous soil of southern Europe. Associatedwith these fossils are found the remains of undoubted spi-ders, and in all likelihood they spun silken nests, and thusFig. 230. Fig.

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1881