. Zoology for high schools and colleges. Zoology. Fig. 44.—Gastrula of an Anre- lia-like Medusa, a. primitive moath;*, gastro-vascnlarcavity; c, ectoderm; ot, endodemi.^ After Fig. 45.—Scyphistoma of Aurelia Jlavidula, at different ages; magni- fied.—After Agassi;!. separate nerve-tracts which unite with the sense-organs in a special elevation of the edge of the disk, forming so-called sense-bearers, which alternate with the eight tentacles. Aurelia aurita has a similar disconnected nerve system.* Eimer confirms these discoveries, and states that the ner- vous system in these Hy
. Zoology for high schools and colleges. Zoology. Fig. 44.—Gastrula of an Anre- lia-like Medusa, a. primitive moath;*, gastro-vascnlarcavity; c, ectoderm; ot, endodemi.^ After Fig. 45.—Scyphistoma of Aurelia Jlavidula, at different ages; magni- fied.—After Agassi;!. separate nerve-tracts which unite with the sense-organs in a special elevation of the edge of the disk, forming so-called sense-bearers, which alternate with the eight tentacles. Aurelia aurita has a similar disconnected nerve system.* Eimer confirms these discoveries, and states that the ner- vous system in these Hydrozoa arises from the 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company
Size: 1916px × 1304px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology
