. Ants; their structure, development and behavior. FIG. 92. Male of Acromyrmasp. from the Baltic Amber. (Ori-ginal.) FIG. 93. Worker ofPropodomyrma sanilou-dica sp. nov. from theBaltic Amber. (Ori-ginal.) lacustrine conditions and those which must have prevailed at Oeningen: On Lake Superior, at Eagle Harbor, in the summer of 1844, wesaw the white sands of the beach blackened with the bodies of insectsof many species, but mostly beetles, cast ashore. As many specieswere here collected in a few days, by Dr. J. L. Le Conte, as could havebeen collected in as many months in any other place. The in
. Ants; their structure, development and behavior. FIG. 92. Male of Acromyrmasp. from the Baltic Amber. (Ori-ginal.) FIG. 93. Worker ofPropodomyrma sanilou-dica sp. nov. from theBaltic Amber. (Ori-ginal.) lacustrine conditions and those which must have prevailed at Oeningen: On Lake Superior, at Eagle Harbor, in the summer of 1844, wesaw the white sands of the beach blackened with the bodies of insectsof many species, but mostly beetles, cast ashore. As many specieswere here collected in a few days, by Dr. J. L. Le Conte, as could havebeen collected in as many months in any other place. The insects seemto have flown over the surface of the lake; to have been beaten downby winds and drowned, and then slowly carried shoreward and accu-mulated in this harbor, and finally cast ashore by winds and at Oeningen, in Miocene times, there was an extensive lakesurrounded by dense forests; and the insects drowned in its waters,and the leaves strewed by winds on its surface, were cast ashore byits waves. The conditions described by
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectants, bookyear1910
