J. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL 89 PLATE 64 



Brooksella canyonensis. new Species. 

 1-3, Views of the type specimen, with hght from various angles (fig. 2 coated with ammonium 

 'chloride); 4, edge of sandstone bed showing at least five overlapping layers, upon four of 

 which the specimen rests. Natural size. 



