PLATE XIII. 



Lepidocyclina mantelli (Morton) Gumbel (p. 57). 



Accidental section of microspheric specimen, X 9, showing the equatorial chambers and the irregular width of the 

 annuU. White limestone 2 miles southwest of Whatley Station, Clarke County, Ala. (U. S. G, S. station 2956). 



83 



