Geological Survey of Alabama. 67 



ADEORBIS SITBANGULATUS, n. sp. PI. 2, fig. 28. 



Discoid ; whorls five, rapidly increasing in size ; margin somewhat an- 

 gular ; basal part of margin rounded ; umbilicus deep ; suture distinct ; 

 surface with revolving lines, indistinct near the margin ; aperture irregu- 

 larly elliptical. 



Locality. Jackson, Miss. 



Adeorbis depressus, Lea., sp. (Teinostoma rotula, Heilpr.) from Clai- 

 borne has the umbilicus nearly closed, a regularly rounded margin, a 

 more developed ornamentation, and is larger. 



ADEORBIS LAEVIS, n. sp. PI. 2, figs. 29, 29a. 



Discoid ; umbilicus large ; margin rounded ; aperture circular ; whorls 

 five ; convex, smooth ; suture distinct. 



Locality. Red Bluff, Miss. 



In Vicksburg there occurs a variety " var Vicksburgensis," with smaller 

 umbilicus. 



SOLARIUM HARGERI, n. sp. PL 2, figs. 23, 23a, 23b. 



Discoid ; surface flattened ; base convex ; margin carinated ; whorls 

 five. The ornamentation of the older whorls consists of four granulated 

 revolving striae, the two in the middle smaller than those near the 

 suture. Suture canaliculated ; base with revolving lines, those near the 

 umbilicus crenulate ; aperture rhombical. 



Locality. Red Bluff, Miss. 



The canaliculation along the suture is the main characteristic of this 

 species. Named in honor of Mr. Oscar Harger, the able and careful nat- 

 uralist in New Haven, Conn. 



SCALARIA GRAGILIOR, n. Sp. PI. 2, fig. 2. 



Small, subulate ; nucleus consisting of two rounded, spirally striated 

 whorls. Five adult whorls are regularly rounded and covered with regu- 

 lar, sharp, transverse ribs, which extend also over the base. Aperture 

 elliptical. 



Locality. Claiborne, Ala. 



I found only the figured specimen. 



EGLISIA PULCHRA, n. sp. PL 1, fig. 16. 



Whorls convex, regularly rounded, covered with five flat longitudinal 



