. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 58 mens, it shows a distinct proximal ganglion against the base of the brain, and a smaller distal one near the base of the base of the bulbus. The ganglia vary somewhat in position, and, sometimes, as has been observed in other Selachians, there will be clusters of ganglion - cells making varicosities along the nerve. I did not observe branches of the nerve in front of the ganglion. The nerve is slender and passes directly to the lateral division of the olfactory nerve with which it unites. Id Sphyrna tiburo. — A part of the
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 58 mens, it shows a distinct proximal ganglion against the base of the brain, and a smaller distal one near the base of the base of the bulbus. The ganglia vary somewhat in position, and, sometimes, as has been observed in other Selachians, there will be clusters of ganglion - cells making varicosities along the nerve. I did not observe branches of the nerve in front of the ganglion. The nerve is slender and passes directly to the lateral division of the olfactory nerve with which it unites. Id Sphyrna tiburo. — A part of the brain of the bonnet- head shark is represented in Fig. 22. The prosencephalon is expanded. Fig. 22. Slightly reduced view of the fore-brain and olfactory cups of an adult Sphyrna tiburo. Also similar view from the ventral side. laterally, but is short antero - posteriorly. The olfactory cups are elongated and shaped somewhat like a long seed-pod. The tractus is relatively slender. The new nerve (Fig. 22 B n. nov.) connects with the brain on the ventral surface, in a depression much nearer the optic nerve than in the other forms described. From this point, the nerve passes directly to the base of the bulbus, where it forks into two slender branches which join the fila olfactoria, in a manner 1 was unable to make out clearly in the single specimen of this shark at my 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 Anatomische Gesellschaft. Jena : G. Fischer
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