EXPLANATION OF PLATE XXXL 



Fig. 1. Eestorecl skull of PaJocosyops. The cranium ami face arc introduced from the specimens of 

 Figs. 1, 2, Plate XXIV, and Fig. 51, Plate XVIII; and the lower jaw from the specimen of 

 Fig. 52 of the latter plate, and Fig. 4, Plate XXIV. About half the natural size of the 

 skull of P. paludosus. 



Fig. 2. Canis indlvnensis : 



Right ramus of the lower jaw, one-half the natural size. Specimen from San Leaudro, Cali- 

 fornia. Discovered by Dr. Lorenzo G. Yates, and now in the museum of Wabash College, 

 Crawfordsville, Indiana. 



Fig. 3. FeLIS IMPBRIALIS : 



Fore part of the upper jaw, with the second premolar, one-half the natural size. Accom- 

 panying the preceding specimen. 



Fig. 4. LuTRA pisciNjVRia: 



Tibia of the right side, two-thirds the natural size. From Sinker Creek, Idaho, and belong- 

 ing to the Smithsonian Institution. 



