24 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 



Imprint of forefoot smaller than that of hindfoot, with hindfoot placed 

 in front of forefoot. Sole of pes truncate, subquadrangular in outline, 

 without protuberance on inner side. 



B. coconinoensis 



BAROPUS COCONINOENSIS, new species 

 Plate 7 



Type. — Catalogue number 11,514. U. S. N. M, Consists of a slab 

 on which are four tracks made by the fore- and hindfeet of the 

 left side. 



Fig. 9. — Baropns coconinoensis. Type. No. 11,5x4, U. S. N. M. 

 Diagram of left side of trackway. About i natural size. 



Type locality. — Hermit Trail, Hermit Basin, Grand Canyon Na- 

 tional Park, Arizona. 



Geological occurrence.— -Coconino sandstone (about 125 feet above 

 base), Permian. 



Description. — Stride about 300 mm., width of trackway unknown. 

 Hindfoot: Length about 108 mm., width about 138 mm. Four toes 



