. Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. Fig. 4.—The right internal ear of Alligator mississippiensis, seen from the outer face. Figure after G. Retzius. The figure outlines do not bring out the relations of the parts distinctly, and only the more important parts are lettered. ac Auditory nerve. b Pars basilaris cochleae auct. c Anterior canal. ch External canal. cp Posterior canal. / Lagena. n' Cristae acusticae of the ampullae. s Fig. 5. — The right internal ear of TUrdus inusica, seen from the inner or neural face. F^igure


. Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. Fig. 4.—The right internal ear of Alligator mississippiensis, seen from the outer face. Figure after G. Retzius. The figure outlines do not bring out the relations of the parts distinctly, and only the more important parts are lettered. ac Auditory nerve. b Pars basilaris cochleae auct. c Anterior canal. ch External canal. cp Posterior canal. / Lagena. n' Cristae acusticae of the ampullae. s Fig. 5. — The right internal ear of TUrdus inusica, seen from the inner or neural face. F^igure after G. Retzius. The letters are placed only on those parts of the organ plainly visible in the figure. ac Acoustic nerve. c Anterior canal. ch External canal. cp Posterior canal. d Ductus endolymphaticus. / Lagena. ms Macula sacculi. n Lagenar nerve. «' Cristae acusticae of the ampullae. differentiation of the sense-organs contained, and in the formation of chambers for the reception of the new organs thus budded off. Though sUght, this change. 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 Marine Biological Laboratory (Woods Hole, Mass. ). Boston, Ginn & Co


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbiology, bookyear1890