. Ants; their structure, development and behavior. •wv. FIG. 12. Stridulatory organ of Myrmica levinodis. (Janet.) A. Surface view ofright half of the organ; sir, stridulatory surface : /. lateral, reticulate surface; so,sense-organs; in. tendon of muscle; ap, lateral apophysis ; r, radiating rugae at baselit first gastric segment. B, Median sagittal section of organ; str, stridulatory surface-at extreme anterior border of first gastric segment ; p, edge of postpetiole whichscratches the stridulatory file str. An interesting modification was found in an Australian Myrmicine antof the genus Sii
. Ants; their structure, development and behavior. •wv. FIG. 12. Stridulatory organ of Myrmica levinodis. (Janet.) A. Surface view ofright half of the organ; sir, stridulatory surface : /. lateral, reticulate surface; so,sense-organs; in. tendon of muscle; ap, lateral apophysis ; r, radiating rugae at baselit first gastric segment. B, Median sagittal section of organ; str, stridulatory surface-at extreme anterior border of first gastric segment ; p, edge of postpetiole whichscratches the stridulatory file str. An interesting modification was found in an Australian Myrmicine antof the genus Siina, which has the file divided into two parts, one con-sisting of coarse, the other of fine, ridges, and Sharp remarks that astridulatory performance by this insect might produce very extraor-dinary effects. Janet, in his studies of Myrmica rubra, calls attentionto the fact that there are accumulations of chitinous asperities at variouswidely separated regions of the ants body, especially on articulationswhich might, by their movements, produce sounds
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectants, bookyear1910
