. Collected papers on ants. Ants. 736 Bulletin American Museum of Naturol History. \yo\. XXIII, nest was easily excavated, o^viiig to its location in an exposed bank of pure sand, nevertheless I was made very uncomfortable by the attacks of the soldiers, who actually drew blood with their sharp mandibles. An interesting nest was excavated and measured by Messrs, Brues and Melander during the spring of 1903. This was situated on the right bank of Barton Creek (Fig. 10) near Austin, about 15 m. above the bed of the stream. In surface view (Fig. 11) it presented a low, irregular mound, con- 's a.
. Collected papers on ants. Ants. 736 Bulletin American Museum of Naturol History. \yo\. XXIII, nest was easily excavated, o^viiig to its location in an exposed bank of pure sand, nevertheless I was made very uncomfortable by the attacks of the soldiers, who actually drew blood with their sharp mandibles. An interesting nest was excavated and measured by Messrs, Brues and Melander during the spring of 1903. This was situated on the right bank of Barton Creek (Fig. 10) near Austin, about 15 m. above the bed of the stream. In surface view (Fig. 11) it presented a low, irregular mound, con- 's ( TRiCi Fig. 12. Diagram of the Atta texana nest represented in the preceding figure. (From a sketch by Messrs. Brues and Melander.) sisting of fused or contiguous craters of pure sand resting on a layer of blue clay. As shown in the diagram. Fig. 12, galleries descended vertically from these craters through the blue clay layer, which was nearly 2 m. thick, and continued down through an equally thick layer of red clay, where they entered a layer of pure sand about a meter in thickness. At the top of this last layer they opened into a number of large chambers communicating with. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wheeler, William Morton, 1865-1937.
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectants, bookyear1905
