OF CONCHOLOQY. 239 



very oblique; aperture rather large, ovate, columella slightly 

 incurved and contorted. Orange color. 



Length 17, diam. 8 mill. 



Darien, Georgia. 



27. Succinea Forsheyi, Lea. 



Plate 2, figure 28. 



Ovate-conic, striate, thin, diaphanous; spire very short, 

 acute ; whorls 3, rapidly increasing, not very oblique ; body 

 whorl nearly the entire length of the shell, narrowly oval ; 

 mouth oval, a little angled above, columella folded nearly at 

 the superior part of the aperture. Very light lemon color. 



Length 11, diam. 6 mill. 



Rutersville, Texas. 



28. Succinea Concordialis, Gould. 



Plate 2, figure 29. 



Ovate-conic, thin, feebly decussately striate; spire acute, pro- 

 minent ; whorls rather more than 3, very oblique, rapidly in- 

 creasing, the upper half of the body whorl flatly compressed ; 

 aperture two-thirds the total length, acuminated above, well 

 rounded below; columella with greater curve than the outer 

 lip, slightly angled at its superior termination near the top of 

 the aperture; a thin callus covers the left margin, which is 

 slightly detached anteriorly, forming a rudimentary umbilicus. 

 Pale honey yellow. 



Length 12, diam. 8 mill. 



Texas, Mexico. 



29. Succinea luteola, Gould. 



Plate 2, figure 30. 



Ovate-conic, irregularly wrinkled, somewhat thickened; spire 

 moderate, apex acute ; whorls 4, those of the spire well round- 

 ed ; upper half of body obliquely flattened ; aperture ovate, 

 over half the total length, columella not folded. Pale yellow- 

 ish or drab to white, apex and interior deeper yellow. 



