The embryology and metamorphosis of the Macroura . of an inch. Diameter of extruded egg, one liftieth of an inch. Contentsof ovarian egg, oue thirty-seventh of that of tbe extruded egg. x-Sl. Fig. VI. Section through segmenting %gg of Alpheus minor, from Beaufort, North Carolina, show-ing nests of nuclei. x70. Fig. 13. Swarm or nest of nuclei, like those of preceding figure. x2Sl. Fig. 14. Sectiou through egg of Alpheus minor, cutting segmentation nucleus. Nucleus elongated,with irregular, indefinite boundary, x 70. REFERENCE LETTERS. Al. C, aliiuentary canal. B. C, blooil cell. B. S., blood s


The embryology and metamorphosis of the Macroura . of an inch. Diameter of extruded egg, one liftieth of an inch. Contentsof ovarian egg, oue thirty-seventh of that of tbe extruded egg. x-Sl. Fig. VI. Section through segmenting %gg of Alpheus minor, from Beaufort, North Carolina, show-ing nests of nuclei. x70. Fig. 13. Swarm or nest of nuclei, like those of preceding figure. x2Sl. Fig. 14. Sectiou through egg of Alpheus minor, cutting segmentation nucleus. Nucleus elongated,with irregular, indefinite boundary, x 70. REFERENCE LETTERS. Al. C, aliiuentary canal. B. C, blooil cell. B. S., blood space (possibly unnaturally distended). Ch., chitinotis egg envelopes. D. A., dorsal aorta. «, e, yonug ova. F. E., ovarian stroma. F. E.\ follicular epitheliuni. F. C, follicular , germogeu. Gfer., position of germogeu iu ovary, with ova nearly ripe. G. F., germinal W., ovariau wall. SS, swarm of nuclear bodies. Vac, yolk vacuole. Vit., vitellogen. X, cell shown in Fig. 30. Y. P., yolk pyramid. Haie XX17 Fig.


Size: 1926px × 1297px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthor, bookcentury1800, bookdecade1890, booksubjectcrustacea