112 LIMN^A. 



33. LIMNiEA TECHELLA, Hald. 



Plate 18, fig. 9. 



Shell short, inflated, perforate, diaphanous, 

 Hght greenish horn-color, smooth and shining; 

 whorls five, convex ; aperture large, subangu- 

 late behind. 



Length 6, diam. 4 mill. 



Texas. 



Surface smoother than in L. bulimoides, Lea, 

 of Oregon, with the lines of accretion less 

 apparent, and the labium more angular. In 

 some individuals the shell is thick enough to 

 be corroded. 



Subgenus LEPTOLIMNEA, Swainson. 



34. LIMN^A KIRTLANDIANA, Lea. 



Plate 18, fig. 10. 



Shell turrited, thin, irregularly striate, pale 

 horn-color, imperforate ; spire attenuate ; su- 



(86) 



