It consists of the 5th, 6th, and 8th to 13th cervical vertebrae, 1st to 9th dorsal and 3rd to 19th caudal vertebrae, all the ribs, both coracoids, parts of sacrum and ilia, both ischia and pubes, left femur and astragalus, and part of left fibula.

The backbone and most of the neck of this specimen were found articulated together in the quarry, the ribs of one side in position, the remainder of the bones scattered around them, and some of the tail bones weathered out on the surface.
"From No.

222, found at Como Bluffs, Wyo., were supplied the right scapula, 10th dorsal vertebra, and right femur and tibia.
"No.

339, from Bone-Cabin Quarry, Wyoming, supplied the 20th to 40th caudal vertebrae, No.

592, from the same locality the metatarsals of the right hind foot; and a few toe bones are supplied from other specimens.
[Illustration: Fig.