EXPLANATION OF PLATE 13. 



Smilodon calif or nims, n. sp. 



From Quaternary Beds West of Los Angeles, California. 



All figures about one-half natural size (X .55). 



Fig. 1. — Left ramus of mandible. No. 10210. A small heel on M t does not 

 appear in the figure. Page 157. 



Fig. 2. — Left ramus of mandible. No. 10258. 



Fig. 3. — Left inferior canine, showing basal tubercle. No. 10203. 

 Fig. 4. — Superior sectorial of a young individual. No. 10325. 



