GEACIAL GROOVES AND STRIAE IN NEBRASKA 311 
Fic. 2.—Cabinet specimen (7 by 10 in.) in the State Museum of Nebraska, show- 
ing planed surface and glacial striae on carboniferous limestone, Weeping Water, 
Nebraska. Striae run south 11° east. Photograph of a specimen procured by the 
writer in 1894. : 
Fic. 3.—Cabinet specimen (7 by 10 in.) in the State Museum of Nebraska, show” 
ing planed and polished surface, striae, and a small glaciai groove, carboniferous 
limestone, \Weeping Water, Nebraska. Photograph from a specimen secured by Mr. 
E. G. Woodruff, fall of 1899. 
