242 



DR. A. S. WOODWARD ON THE 



[Apr. 18, 



length assigned to them in text-fig. 39 (p. 233) is hypothetical. 

 The massive triangular distal end of the tibia bears the decayed 

 remains of the large astragalus still in direct contact, but the 

 tarsus is otherwise lost. Most of the bones of the foot are 

 preserved, but they were discovered in a scattered condition and 

 have only been hypothetically arranged on the plan of the known 



Text-fiff. 49. 



Cetiosatirus leedsi. — Left femur, posterior aspect : A, upper end ; B, C, transverse 

 sections of shaft ; and D, lower end. About ^3 iiat. size. 



feet of Diplodocus and Brontosaurus. The innermost digit is the 

 stoutest and its large claw is present, while the two outer toes 

 are comparatively small. It may be regarded as certain, indeed, 

 that Cetiosaurus resembles the other known Sauropoda in having 

 an "entaxonic" foot approaching that of some of the giant Ground - 

 Sloths — the three inner toes being well developed and clawed, the 

 two outer toes being rudimentary. 



