Missouri.] tion somewhat of this character was described in the Dental sport has led to the invention of what is termed the mechan- THE COMMON BEETLE. Cosmos by Dr. B. J. Bing, then practicing in Paris, now in ical pigeon, the construction and operation of which is illus- Many an one will doubtless… … more than compensated for. The porcelain, with its attach- i?The mechanical pigeon consists of a thin strip of sheet ments, was then placed in position, and secured firmly by the iron, six inches or more in length, having wings bent some- solid impactation of small pieces of light cohesive gold…
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