. Catalogue of seals and whales in the ... Museum. 210 CATOBONTID^, bony ridge near the occiput. The lower jaw wide at the condyles, having the branches in front united by a short narrow symphysis. Teeth: none in the upper jaw; in the lower jaw, conical, curved. Physeter, sp., Blainv. Ann. Atiat. et Phys. ii. 335; Lesson, N. Reg. Anim. 201. Kogia, Gray, Zool. Erehus Sf Terror, 22; Cat. Cetac. B. M. 18. Euphysetes, MacLeay ( Wall), Hist. New Sperm Whale, 1851,50,63, t. 2. Fig'. Skull and lower jaw of Kogia breviceps. From De Blainville. " The most important character of the genu
. Catalogue of seals and whales in the ... Museum. 210 CATOBONTID^, bony ridge near the occiput. The lower jaw wide at the condyles, having the branches in front united by a short narrow symphysis. Teeth: none in the upper jaw; in the lower jaw, conical, curved. Physeter, sp., Blainv. Ann. Atiat. et Phys. ii. 335; Lesson, N. Reg. Anim. 201. Kogia, Gray, Zool. Erehus Sf Terror, 22; Cat. Cetac. B. M. 18. Euphysetes, MacLeay ( Wall), Hist. New Sperm Whale, 1851,50,63, t. 2. Fig'. Skull and lower jaw of Kogia breviceps. From De Blainville. " The most important character of the genus Euphysetes is the heavy ridge of bone that longitudinally divides the spermaceti-cavity into two unequal parts. There has been nothing like this structure hitherto described among the Cetacea" ("Wall, I. c. 47). This cha- racter at once separates it from the skuU of the foetal Catodon, with which some zoologists have been inclined to confound 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 British Museum. Department of Zoology. [Mammals]; Gray, John Edward, 1800-1875. London
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