112 



(iLEAM.\<;s FROM N ATI' UK. 



comes out into the second passage, fifty feet from its 

 starting point. From here onward for 210 feet the 

 lower passage leads through a water-worn crevice 

 from two to four feet wide and three to fifteen feet 

 high, the stream sometimes covering 

 its bottom, and again running in a 

 channel cut beneath one or the other 

 of the sides. 



In this stream were found two spe- 

 cies of small crustaceans. One was a 



or Cum CAYE. 



Monroe County, Inc. 



Fig. 26. 



shrimp, Crangonyx gracilis Smith, three-fourths of an 

 inch or less in length, which is often found in wells 

 and springs in central Indiana, and had probably been 



