. Journal of experimental zoology. up was slipped into its pocket the adherent ganglion cellsmust have been lodged in various positions as regards the ear cupand the fact that they all come finally to lie on the median side ofthe vesicle and lead toward the brain must be explained by sometheory of an attraction existing between brain and nerve. When we have to deal with a transplanted labyrinth that hasreached a development equal to those that function in young tad-poles, and has established communication with the central ner-vous system, we might expect that it would show some sign ofphysiolo


. Journal of experimental zoology. up was slipped into its pocket the adherent ganglion cellsmust have been lodged in various positions as regards the ear cupand the fact that they all come finally to lie on the median side ofthe vesicle and lead toward the brain must be explained by sometheory of an attraction existing between brain and nerve. When we have to deal with a transplanted labyrinth that hasreached a development equal to those that function in young tad-poles, and has established communication with the central ner-vous system, we might expect that it would show some sign ofphysiological activity. The failure of it to do so is perhaps bestaccounted for by the fact that the point of entrance into the brainis so far away from the hind-brain centers and the spinal cord thatconnections with these are not established. If the experiments werevaried and the vesicle transplanted to some point in the neighbor-hood of the occipital nerves this difficulty would be obviated. Experiments on the Developing Ear Vesicle SSI. Fig. 7 Fig. 8 Fig. 9


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904