. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. A Fig. 18. Oerstedia metadata, A, transverse section of the body in the region of the stomach and anterior caecum; B, part of a transverse section of the head, highly magnified, to show the double eyes. nerves and retain their individuality down the body. They are separated from the ventral fibres by cellular tissue. The lateral nerves unite before the anus above the gut. There are ten nerves in the proboscis. The cerebral organs are small sacs lying a long way in front of the brain, each
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. A Fig. 18. Oerstedia metadata, A, transverse section of the body in the region of the stomach and anterior caecum; B, part of a transverse section of the head, highly magnified, to show the double eyes. nerves and retain their individuality down the body. They are separated from the ventral fibres by cellular tissue. The lateral nerves unite before the anus above the gut. There are ten nerves in the proboscis. The cerebral organs are small sacs lying a long way in front of the brain, each with a short narrow canal leading to the exterior on the ventral surface near the proboscis pore. There is no external furrow. The eyespots are double (Fig. 18B). The anterior pair is close behind the cerebral organs and the posterior pair directly in front of the dorsal ganglia. The specimen sectioned was a male with ripe 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 Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
