356 PATAGONIAN EXPEDITIONS: PALEONTOLOGY. 



MEASUREMENTS. 



No. i. No. 2. No. j. 



Upper dentition, length .046 .045 



J-, length (i. e., antero-posterior diameter) .007 .0062 



" width (*. e., transverse diameter) .0065 .0038 



i, length .009 .0075 



" width .008 .0062 



i, length, .007 .0075 



" width .009 .0075 



A, length .008 .007 



" width .0075 .0075 



i, length .007 .0075 



" width .006 .0062 



Lower dentition, length .044 .042 



T , length 0075 .008 



" width 006 .005 



? , length 007 .0065 



" width 006 .006 



7 , length 007 .008 



" width 0075 .007 



j, length .014 .014 



" width 009 .0085 



Skull, length in median basal line, excluding premaxillae. .159 



Skull, length condyle to anterior nares .184 



Cranium, length condyle to rim of orbit . 1 375 



Face, length orbit to anterior nares .0465 



Occiput, height .046 



" width .060 



Zygomatic arch, length .089 



Distance, occipital condyle to glenoid cavity .034 



Palate, length in median line .061 



" width at- 1 - .019 .017 



" " & .010 .009 



Mandible, length from condyle .157 



" " of predental beak .05 1 .044 + 



depth below 032 .0285 



" height of coronoid .070 



" condyle 060 



NEMATHERIUM DECLIVUM (Ameghino). 



(Plate LXII, Figs. 4, 4.) 



Ammotherium declivtim Amegh.; fenum. Synopt. des Mamm. Foss. de 

 Patagonie, 1894, p. 168. 



