. Fig. 9.—Proximal end of rib of Brontoiaurui ezcelsns Marsh; front view. Fig. 10.—The same bone; back view. Fig. 11.—The same; superior view. All the figures are one-eighth natural size. c. cavity ; h, head; (. tubercle. about this sacrum is the large general cavity it contained. This was divided in part by a median longitudinal partition, as shown in PL XXIII, fig. 2. The septum, however, was not continuous the whole length of the sacrum, so that the two lateral cavities were vir- tually one. This extended even into the lateral processes. The trans- verse partitions formed by the ends of the
. Fig. 9.—Proximal end of rib of Brontoiaurui ezcelsns Marsh; front view. Fig. 10.—The same bone; back view. Fig. 11.—The same; superior view. All the figures are one-eighth natural size. c. cavity ; h, head; (. tubercle. about this sacrum is the large general cavity it contained. This was divided in part by a median longitudinal partition, as shown in PL XXIII, fig. 2. The septum, however, was not continuous the whole length of the sacrum, so that the two lateral cavities were vir- tually one. This extended even into the lateral processes. The trans- verse partitions formed by the ends of the respective centra were also perforate, so that the sacrum proper was essentially a hollow cylinder. The cavernous character of the sacrum is one of the peculiar features of the suborder Sauropoda, and was described by the writer when the first species of this group was discovered in this country. The
Size: 2513px × 1988px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashi, bookyear1896
