. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 13. Tetrapetalonema digitata. lateral views. Posterior extremity of female; ventral and The alimentary canal throughout its length is weakly developed. It is especially difficult to describe the oesophagus (which is only about 20^1 wide) when the specimens are completely cleared in lacto-phenol solution or glycerin. Faust's and McCoy's descriptions omit all reference to the alimentary canal. Chandler described the oesphagus of the species digitata as "very fine and slender, only about 11/x in diameter and no
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 13. Tetrapetalonema digitata. lateral views. Posterior extremity of female; ventral and The alimentary canal throughout its length is weakly developed. It is especially difficult to describe the oesophagus (which is only about 20^1 wide) when the specimens are completely cleared in lacto-phenol solution or glycerin. Faust's and McCoy's descriptions omit all reference to the alimentary canal. Chandler described the oesphagus of the species digitata as "very fine and slender, only about 11/x in diameter and not easily observed except where it is bent and runs at an angle to the long axis of the body. The junction with the intestine is not sharply demarcated, the intestine tapering, cone-like, to the junction with the ; Only by attempting to follow the course of the lightly cuticularized lining of the oesophagus to the point where it appears to end and where the coarser granulation of the intestinal cells commences does it appear possible to determine the. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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