SMITHSONIAN MISCELLANEOUS COLLECTIONS 



Fig. I. — CoUenia ? prolifica, new species. View of one of the larger exposures of 



cnlnmns (;/ sifii. 



Fig. 2. — CoUenia ? prolifica, new species. Upper surface of one of the layers 

 from which the covering limestone has been removed by weathering. This 

 shows the upper ends of the columns with their central depression and small 

 pits. Layers dip 35° to 40° west-southwest. 



Formation and Locality. — Upper Cambrian, Sabine formation, about 3 miles 

 (4.8 km.) east of F on map, plate 26, and 9 miles (14.5 km.) in an air line 

 northeast of Lake Louise Station. Alberta. 



