. Carnegie Institution of Washington publication. . iP,, ^ D ^ A D Fig. 18. Fig. 19. Fig. 18.—Crosiotflos annulatus. No. 3040 Univ. of Michigan. X f. A. Three dorsal vertebrae, lateral view. B. The same vertebrae, superior view. C. Three caudal vertebne. D. The spines of two dorsal vertebrae, showing the close interlocking. E. A single dorsal or anterior caudal vertebra, showing the ridge at the base of the neural arch. Fig. 19.—Croisouloi annulatus. Specimens in the University of Chicago. A. Right humerus, posterior view. B. Proximal and distal ends of the left humerus of another specimen. C.
. Carnegie Institution of Washington publication. . iP,, ^ D ^ A D Fig. 18. Fig. 19. Fig. 18.—Crosiotflos annulatus. No. 3040 Univ. of Michigan. X f. A. Three dorsal vertebrae, lateral view. B. The same vertebrae, superior view. C. Three caudal vertebne. D. The spines of two dorsal vertebrae, showing the close interlocking. E. A single dorsal or anterior caudal vertebra, showing the ridge at the base of the neural arch. Fig. 19.—Croisouloi annulatus. Specimens in the University of Chicago. A. Right humerus, posterior view. B. Proximal and distal ends of the left humerus of another specimen. C. The same humerus shown in B, from the posterior side. D. The same, anterior view. mentioned above. Another point in the structure of these vertebrae is the absence of sculpture and the constant presence in both the dorsal and caudal series of a foramen on the side of the vertebrae; in the dorsals it occurs just posterior to and below the parapophysis and in the caudals just below the posterior to the anterior zygapophysis. In all the vertebrae the ends are deeply cupped and the arches are coossified with the centrum. " Measurements. M "Length of one dorsal Length of a second dorsal 012 Height of the neural spine from the bottom of centrum 0205 Length of one caudal oo95 Length of the chevron from the bottom of centrum 014 Length of a second caudal 0095 Height of the neural arch above bottom of centrum 0165 " Revised description: This genus is known from the vertebrae and humeri only. The foramen mentioned as occurring below the parapophysis is prob-. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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