. Journal of morphology. 2 lO 2 I I 2 12. 213 214 215 ifio THE JOURNAL OF , VOL. 23, NO. 3 PLATE 4 EXPLANATION OF FIGURES (Cryptobranchus allegheniensis) All the figures are from preserved material fixed in bichromate-acetic-forma-lin. X 4. 216 Stage Equatorial view. 217 Stage Upper hemisphere. 218 Stage Equatorial view. 219 Stage Equatorial view of an embryo nearly ready for gastrulation. 220 Stage Early gastrula, showing the dorsal lip of the blastopore. 221 Stage Antero-dorsal view of a gastrula, showing the fenestra. 222 Stage Anterior vi
. Journal of morphology. 2 lO 2 I I 2 12. 213 214 215 ifio THE JOURNAL OF , VOL. 23, NO. 3 PLATE 4 EXPLANATION OF FIGURES (Cryptobranchus allegheniensis) All the figures are from preserved material fixed in bichromate-acetic-forma-lin. X 4. 216 Stage Equatorial view. 217 Stage Upper hemisphere. 218 Stage Equatorial view. 219 Stage Equatorial view of an embryo nearly ready for gastrulation. 220 Stage Early gastrula, showing the dorsal lip of the blastopore. 221 Stage Antero-dorsal view of a gastrula, showing the fenestra. 222 Stage Anterior view of a gastrula, showing the fenestra. 223 Stage Dorsal view showing early neural plate and neural groove. 224 Stage Posterior view of the same embryo as in the precedingfigure, showing the yolk plug and a part of the neural plate and neural groove. 225 Stage Dorsal view showing the neural groove and the dorsal lipof the blastopore. Figure 143 is drawn from the same embryo. 226 Stage Dorsal view showing early neu
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Keywords: ., bookcentury1900, bookdecade1, booksubjectphysiology, bookyear1912
