THE HIND FEET. J 51 



Measurements of Left Astrar/alus. {Tinoceras ingens, No. 1209.) 



m. 



Greatest antero-posten'or diameter of astragalus, _ .122 



Greatest transverse diameter, .147 



Greatest vertical diameter, ._ .083 



Greatest diameter of articular face for tih'.a,. . . . _ .125 



Antero-posterior diameters of articular face for tibia, _. 00 1-.082-. 1 04 



Transverse diameters of articular face for tibia, .()04-.096-.095 



Antero-postorior diameter of articular face for fibula, .000 



Verticil diameter of articular face for fibula, ... .039 



Antero-posterior diameter of outer articular face for calcanetim, . . .050 



Tran.sverse diameter of outer articular face for calcaneum, .050 



Antero-posterior diameter of inner articular face for calcaneum, .058 



Transverse diameters of inner articular face for calcaneum, .033-050 



Distance between inner and outer faces for calcaneum, .018 



Antero-posterior diameter of united faces for navicular and cuboid, .068 



Transverse diameter of united faces for navicular and cuboid, .130 



Diameters of face f oi' navicular, , .068-. 1 05 



Diameters of face for cuboid, 04--'-.oT7 



Minimum length of neck,. _ _ . . . .019 



Meiisiin'Dieiits of Rigid Astragdhis. [Dinoceras niirahile. No. 1528.) 



m. 

 Greatest antero-posterior diameter of astragalus, .100 



Greatest transverse diameter, _ . .... .108 



Greatest vertical diameter, .063 



Greatest diameter of articular face for tibia, . . _. 100 



Antero-posterior diameters of articular face lor t ibia, .... .070-.060-.093 



Transverse diametei's of articular face for tibia, .067~.067-.070 



Antero-posterior diameter of articular face for fibula, .. .040 



Vertical diameter of articular face for fibula, .. .030 



Antero-posterior diameter of outer articular face for calcaneum, 035 



Transverse diameter of outer articular face for calcaneum, .039 



Antero-posterior diameter of inner articular face for calcaneum, 04(j 



Transverse diameter of inner articular face for calcaneum, .040 



Antero-jjosterior diameter of united articular faces for navicular and cuboid, .053 



Transverse diameter of united articular faces for navicular and cuboid, _ _ .093 



Diameters of face for navicular, ... 076-.053 



Diameters of face for cuboid, .026-055 



Minimum length of neck, .015 



The Calcaneum. 



(Plate XLYIII, Plate LIV, figure 2, r; and 



woodcuts 143-144, below.) 



The calcaneuiu in \\\q' B'mocerata is short, and com]iaratively more 



robust, than in the elephant. As in that animal, it is strongly tuberculated 



