. A book of whales. Whales. 194 A BOOK OF~ WHALES The vertebral formula of the Sperm whale is :- C. 7; D. ii; L. 8; Ca. 24=50. The atlas alone is distinct, the other cervicals being united with each other, and even sometimes with the first dorsal. In the freedom of the atlas and the fusion of the remaining six Physeter is unique FIG. 24. SKULL OF PHYSETER FROM ABOVE. (From Flower.) r if son. eo, Ex-occipital, s, Squamosal. f, Frontal. ;;, Nasal, ni, Maxilla. eh, Ethmoid. rpin, Right pre-maxilla. Ipm, Left pre-maxilla. vo, Vomer. among whales. Another characteristic feature of the atlas is its
. A book of whales. Whales. 194 A BOOK OF~ WHALES The vertebral formula of the Sperm whale is :- C. 7; D. ii; L. 8; Ca. 24=50. The atlas alone is distinct, the other cervicals being united with each other, and even sometimes with the first dorsal. In the freedom of the atlas and the fusion of the remaining six Physeter is unique FIG. 24. SKULL OF PHYSETER FROM ABOVE. (From Flower.) r if son. eo, Ex-occipital, s, Squamosal. f, Frontal. ;;, Nasal, ni, Maxilla. eh, Ethmoid. rpin, Right pre-maxilla. Ipm, Left pre-maxilla. vo, Vomer. among whales. Another characteristic feature of the atlas is its quadrangular outline. As to the dorsal vertebrae (eleven in number if we include the one at the end of the series much resembling the lumbars, but bearing a rudimentary rib), the first nine have somewhat rudimentary post- zygapophyses--"rough processes, which can be. 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 Beddard, Frank E. (Frank Evers), 1858-1925. London, J. Murray; New York, G. P. Putnam's sons
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