1903.] Brown, A Neiv Genus of Ground Sloth. 583 



mm. 



Length of dental series 133 



" " skull from condyles to end of maxillary 470 



Depth of occiput in vertical line to condyles 136 



Width across muzzle at widest part 128 



Width at narrowest part back of postorbital process. . 89 



Width of condyles 128 



Mandible. 



Length of m^ 20 



Width " " 14 



Length " m^ 24 



Width " " 22 



Length " m* 31 



Width " " 17 



Length " m* 56.4 



Width " " 24.4 



Length of dental series, alveolar measurement 180 



Length of jaw from condyle to extreme point 37 1 -3 



Length of symphysis 120 



Width of anterior end 445 



Tihia. 



Length 275 



Proximal end across widest part 178 



Distal " " " " 150 



Fibula. 



Length » 280 



Width of proximal end 105 



Width of distal end 70 



Astragalus. 



Greatest breadth 150 



' ' height 127 



Calcanemn 



Length 240 



Width across base 130 



Height at posterior articulation of astragalus 123 



Third Digit of Manus. 



Ungual phalanx, length 180 



Second " " 63 



" " width 47 



Proximal " length 33 



" " width across middle 46 



