. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 282 bulletin: museum of comparative zoology. digit. We can only conclude, then, that digit ii, together with its ac- cessories, has atrophied. This nianus is therefore only pseudo-penta- dactyloiis, and belongs in reality to the hexadactyle abnormalities. This conclusion is made possible only through the completeness of the poly- dactyle series which I have studied, and emphasizes the futility of at- n. IV. Fig. T.—Posterior view of left polydactyle manus of the pig, showing innervation. I", I*, supernumerary
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 282 bulletin: museum of comparative zoology. digit. We can only conclude, then, that digit ii, together with its ac- cessories, has atrophied. This nianus is therefore only pseudo-penta- dactyloiis, and belongs in reality to the hexadactyle abnormalities. This conclusion is made possible only through the completeness of the poly- dactyle series which I have studied, and emphasizes the futility of at- n. IV. Fig. T.—Posterior view of left polydactyle manus of the pig, showing innervation. I", I*, supernumerary digits; 1, first brancli of the median nerve, which bifurcates to the extra digits; 2, second branch, a division of which innervates the rudimentary digit ii. i natural size. tempting to obtain general results from single cases of polydactylism. Except for the intermediate stages at my disposal, the true significance of the structural conditions shown in Figure 23 could only have been guessed 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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