. Ants; their structure, development and behavior. .-k FIG. 16. The gizzard, or proventriculus, of various ants. (Emery.) A, Canifo-notits ligniperdus; B, Lionietopinn microcephalum; C, Atia sexdens; D, Cryftoccrnstitrates; E, stronins, seen from the anterior end; F, sagittal sectionof same; a, oesophagus ; b, crop : r, sepal ; d. membrane between sepals; e, valve :/, bulb of calyx (pumping stomach proper) : g, cavity of bulb; h, cylindrical portion;i, knob-shaped valve ; k, stomach, or ventriculus. these can be applied so closely to one another as to shut off the lumenand thus
. Ants; their structure, development and behavior. .-k FIG. 16. The gizzard, or proventriculus, of various ants. (Emery.) A, Canifo-notits ligniperdus; B, Lionietopinn microcephalum; C, Atia sexdens; D, Cryftoccrnstitrates; E, stronins, seen from the anterior end; F, sagittal sectionof same; a, oesophagus ; b, crop : r, sepal ; d. membrane between sepals; e, valve :/, bulb of calyx (pumping stomach proper) : g, cavity of bulb; h, cylindrical portion;i, knob-shaped valve ; k, stomach, or ventriculus. these can be applied so closely to one another as to shut off the lumenand thus assume the function of a valve at this point. Posterior tothis valve, the walls of the organ again dilate suddenly to form a globosesection, the bulb (/(.which repeats the structure of the calyx with some THE INTERNAL STRUCTURE OF ANTS. 35 modification. This is the pumping stomach proper. It is succeeded bya slender, thin-walled tube, the cylindrical section (/?), opening behindinto the much more voluminous stomach on the summit of a knob,which i
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectants, bookyear1910
