1878. | Saurians of the Dakota Beds of Colorado. 79 
But one species of Camarasaurus has as yet been discovered. 
This I have named C. supremus, in allusion to its huge size. The 
bones, so far discovered by Mr. Lucas, are: a cervical and twenty 
dorsal and lumbar vertebre, with twenty caudals. Both scapulz and 
coracoids were recovered, with one-half of the sacrum, and two 
pairs of pelvic bones. Of the hind limb I have the femur, with 
Figs. 11, 12——Pelvic bones of Camarasaurus supremus. 
a tibia less certainly belonging to the same animal, although found 
among the other bones. There is one metapodial. There are many 
= other bones which I have not yet reconstructed or determined. ` 
