. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 304 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY pericardium is anterior to the liver, the ducts of Cuvier enter the long sinus venosus posterior to the ventricle, the truncus arteriosus is small and bulbous, and three pairs of aortic arches emerge from the short ventral aorta. In both genera the aortic arches pass forward between the pharyngeal visceral arches be- fore turning laterally and dorsally toward the gills. In both genera the thyroid gland is anterior to the ventral aorta, and apparently has no connection with
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 304 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY pericardium is anterior to the liver, the ducts of Cuvier enter the long sinus venosus posterior to the ventricle, the truncus arteriosus is small and bulbous, and three pairs of aortic arches emerge from the short ventral aorta. In both genera the aortic arches pass forward between the pharyngeal visceral arches be- fore turning laterally and dorsally toward the gills. In both genera the thyroid gland is anterior to the ventral aorta, and apparently has no connection with 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
