374 



Annals of the Carnegie Museum. 



modified so that the principal weight of the body was supported, in 

 the manus as in the pes, by the inner side of the foot. 



The Manus of Diplodocus and Morosaurus Probably 



Entaxonic in Structure. 



Considering the many known similarities in the structure of the 



skeletons of Brontosaurus and Diplodocus there can be little question 



that the manus in the latter genus was like the pes entaxonic in 



structure. This would call for a rearrangement of the phalanges of 



Fig. 14. Right front foot of Morosaurus, one-sixtli natural size, after Osborn. 



the front feet in the present author's recently published restoration of 

 Diplodocus carnegii. ^ 



' See Mem. of the Carnegie Museum, Vol. I., plate XIII. 



