Fauna and Stratigraphy of the Stormberg Series. 423 



Greatest width of preacetabular process . 71 mm. 

 Width of postacetabular process . . 56 ,, 

 Length of anterior spine . . . . 63 ,, 

 Length of iliac surface of ischium . . 79 ,, 



Length of ischio-pubic suture . . . 106 



Length of pubis ..... 432 

 Length of iliac surface of pubis . . 80 

 Thickness of distal end of pubis . . 72 ,, 



In size this pelvis is almost identical with that of the type of 

 Gryponijx africanus, but it differs in the possession of a much larger 

 anterior iliac spine and in the different slope of the upper iliac border, 

 agreeing therein both with Massospondi/hts and Plateosaurus. 



In his discussion of Massospondi/lns in "Die Dinosaurier der Euro- 

 peaischen Triasformation" von Huene lays emphasis on the fact that 

 the distal portion of the puhls is short and thick, thus differing from 

 all Plateosaurs. In this specimen, however, the pubis is long and 

 slender distally as in Grtj^on>/x and, therefore, the form cannot be 

 placed in the Massospondi/lidae. In spite of the difference in the 

 shape of the anterior spine of the ilium I am inclined to place it in 

 the genus Gryponyx, naming it after Mr. H. M. Taylor, while 

 collecting with whom I discovered the remains. 



Type. Pelvic girdle and sacral vertebrae. S. Afr. Mus. Cat. No. 3453. 



Locality. Fouriesburg, 0. F. S. 



Horizon. Top of Red Beds. 



EUSKELESAURUS BRowNi, Huxley. 



1866. Huxley. Quart. .Tourn. Geol. Soc. XXIII, p. 1. 



1894. Seeley. Ann. Mag. Nat. Hist. Ser. 6, Vol. XIV, p. 317. 



1906. von Huene. Geol. und Palaeont. Abh. N.F. Bd. VIII, Hft 2, 

 p. 123. 



1911. Broom. Ann. S. A. Mus. VII, 4. p. 292. 



The type specimens of this species are in the British Museum and 

 in the Museum d'histoire naturelle in Paris. They consist of frag- 

 mentary vertebrae, femur, tihia and fibula, and pubis. The fragmentary 

 nature of these remains renders comparison with other specimens 

 unsatisfactory for specific identity. The type bones have been fully 

 described and discussed by von Huene, who arrives at the following 

 conclusions. 



EusTcelesaurus browni is not only larger than most other Plateosaurs 

 but there are certain characters which, on the one hand, distinctly 



