32 FOSSIL MASTODON AND MAMMOTH REMAINS. 



Scapula Inches. 



Length, from margin of glenoid cavity to superior angle 39 



Width, from posterior angle to opposite border 28 



Glenoid cavity, diameter 9%, 5% 



Circumference of head 32% 



Weight 51 % pounds. 



Longest rib, on outer curve 52 



Widest rib. across 4 



Vertebra (first dorsal) 



Width and depth of centrum 5% 



Across lateral process 11% 



. Length of dorsal process 10 



Height of neural arch 2% 



Width of neural arch 2% 



/ Eight tibia 



Length 35 



Circumference at top 22% 



Circumference at middle 10% 



Humerus, circumference at lower end 37 



(Iowa. Geological Purvey, Vol. IX, pp. 352353.} 



Mad creek. About one mile from where it empties into the 

 Mississippi river, Mad creek has cut awaj 7 the point of a hill, the 

 top of which is loess. This cut forms an almost perpendicular 

 bank, probably forty feet high. About ten feet from the top is a 

 bed of gravel, perhaps one foot thick. In this gravel bed, Mr. Joe 

 Freeman found a considerable fragment of an elephant tooth. 



(F. M. Witter, Proceedings of the Iowa Academy of Science, Vol. /, 



part 2, p. 67. 



/ 



Muscatine. From the loess in the city of Muscatine, Professor 

 Witter has taken teeth, bones, and antlers of a species of caribou 

 or deer, and a tusk and teeth of a mammoth or mastodon. 



(Iowa Geological Survey, Vol. IX, p. 360.) 



PAGE COUNTY. 



Blanchard. Large bones which, from the description given, 

 must have belonged to the mastodon or mammoth, were found 

 fifty-four feet below the surface while digging a well at Blanchard, 



