22 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



N'OL. 66 



Dr. R. S. IJassler. curator of paleontology, spent some weeks in the 

 Ohio valley, particularly in the Blue Grass region of Kentucky, in 

 a search for large exhibition specimens, and in a stucfy of their mode 

 of occurrence. He was successful in procuring a number of showy 

 exhibition specimens as well as numerous study collections. 



More difficult, however, was the discovery and quarrying of a 

 fossil coral reef suitable for exhibition in the Museum. Coral reefs 

 are known at several horizons in the Paleozoic rocks of the Ohio 



Fig. 26. — Strata outcropping along Chenoweth Creek at Jetter- 

 sontown. Ky., and containing a coral reef. See text for lettering. 

 Photograph by Bassler. 



valley but they are seldom so exposed that an instructive section can 

 be quarried out without injury to the specimens. A great reef of 

 corals outcrops in the strata along the banks of Chenoweth Creek at 

 Jeffersontown, near Louisville, Kentucky, and this was selected to 

 furnish an exhibit for the Museum. A section of the stratified rocks, 

 6 feet by 10 feet, outlined in the accompanying photograph (fig. 26), 



