The Journal of experimental zoology . 405 PLATE 2 EXPLANATION OF FIGURES 7 Longitudinal median section of gizzard, showing the heavy teeth, thecushions behind them, the folds of the posterior part, and the passage to thestomach; also the circular sphincter muscles of the anterior and posterior regionsand two of the longitudinal muscle bands. Flemming. Iron haematoxylin andpicro-fuchsin. 35 diam. 8 Transverse section of anterior gizzard, showing the teeth and the sur-rounding circular muscles, also the six longitudinal muscle bands in cross sec-tion. For details of the region between the teeth
The Journal of experimental zoology . 405 PLATE 2 EXPLANATION OF FIGURES 7 Longitudinal median section of gizzard, showing the heavy teeth, thecushions behind them, the folds of the posterior part, and the passage to thestomach; also the circular sphincter muscles of the anterior and posterior regionsand two of the longitudinal muscle bands. Flemming. Iron haematoxylin andpicro-fuchsin. 35 diam. 8 Transverse section of anterior gizzard, showing the teeth and the sur-rounding circular muscles, also the six longitudinal muscle bands in cross sec-tion. For details of the region between the teeth see figure 9. Flemming. Acidfuchsin. 35 diam. 9 Transverse section of the secondary and tertiary teeth of the anteriorgizzard; showing also the epithelium and circular muscles. Flemming. Acidfuchsin. 90 diam. 4(16 PHYSIOLOGY OF DIGESTION IN BLATTIDAE ELDON W. SANFORD PLATE 2. 407 PLATE 3 EXPLANATION OF FIGURES 10 Transverse section of the gizzard in the region of the six cushions, showingthe passage of the lower ends of the six muscle bands through the cushions to theneedles on their surfaces. Flemming. Iron haematoxylin and diam. 11 Detail of the connection between the muscles and the needles of thecushions. It is shown that the striated fibers divide to fibrils, themselves stri-ated. These pass through the epithelium and become tendinous. The tendonscross the matrix of the intima and insert in the bases of the needles. haematoxylin and picro-fuchsin. 200 diam. 12 Section through intima of a cushion, nearly parallel to surface, showingin transverse and diagonal section the tendons which traverse the Iron haematoxylin and picro-fuchsin. 90 diam. 13 Surface view of a group of bristles of the cushions, showing the chitinousprojections to which they are movably attached. 200 diam. 14 Section through a tracheal tub
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Keywords: ., bookauthorwi, bookcentury1900, bookdecade1910, booksubjectzoology
