. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. sv^1*- Fig. 6. Fig. 7. Fig. 6. Chick showing partial duplication of the head. Fig. 7. Dissection showing co- shaped (fused) middle eyeball. KHK is a cornea. Upon carefully lifting the collapsed eyeball from the orbital fossa, two optic foramina and two optic nerves are seeu. Appar- ently there were originally tvvu distinct eyeballs that were gradually crowded together until partial fusion occurred and so prevented an orbital septum forming. The fusion, however, is not extensive as ex- hibited by the presence of the two optic


. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. sv^1*- Fig. 6. Fig. 7. Fig. 6. Chick showing partial duplication of the head. Fig. 7. Dissection showing co- shaped (fused) middle eyeball. KHK is a cornea. Upon carefully lifting the collapsed eyeball from the orbital fossa, two optic foramina and two optic nerves are seeu. Appar- ently there were originally tvvu distinct eyeballs that were gradually crowded together until partial fusion occurred and so prevented an orbital septum forming. The fusion, however, is not extensive as ex- hibited by the presence of the two optic nerves. 7. This chick monster was still in the shell and has been left in that position. This specimen shows failure of development of the upper part of the beak. The upper division ended in a mass resembling the trochlear end of the humerus. This mass rested upon the tongue. 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 Anatomische Gesellschaft. Jena : G. Fischer


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherjenag, bookyear1912