172 



Annals of the Carnegie Museum. 



more resembling Talpa vieyeri of Schlosser. There is a large surface 

 for the articulation of the clavicle. This is convex dorso-ventrally. 

 From the upper outer border a minute point projects outward. This 

 is not nearly so well developed as in Scalops aqiiaticiis. The condyle 



Fig. 13. Humerus of Talpa ? platy- Fig. 14. Mylagaulus paniensis (No. 



bracliys (No. 72S). Twice natural size. S44). Flint Creek beds. # natural size 



or the scapula forms a quite high crescent-shaped ridge. The ridge 



for the insertion of the fectoralis viajor muscle is well developed on 



the inner part of the humerus, but does not extend anywhere near so 



far outward as in Scalops. 



Me\surements. 



Mm. 



Length of liumerus 13 



Width of proximal portion of humerus 1 1 



Witlth of distal portion of humerus 8 



RODENTIA. 



MvLAGAULUS Paniensis ? Matthew, Bull. Am. Mus. Hist., 



Vol. XVI., p. 299, 1902. 



No. S44. Fig. 14. 



A portion of a lower jaw containing the large premolar and one 

 molar was found in the Flint Creek beds. This and the type have 

 nothing in common except the premolar, but there is no essential dif- 

 ference in the two teeth. This individual was evidently somewhat 

 younger than the type, as the premolar tooth is higher and the ante- 

 rior outer enamel lake is longer. 



There is one and only one prismatic molar, which was evidently 

 persistent, as it is nearly or quite as high as the premolar. There is 

 in this specimen no trace of a molar posterior to it. The upper sur- 

 face is subcircular, approaching a pentagon. There are four enamel 



