140 HELICEA. 



lines. It is the most distinctly marked species of the 

 genus found in America. 



GLANDINA PARALLELA. 



Plate LXII. Figure 2. 



Testa solida, albida, nitens, cylindraceo-elongata, striis creberrimis 

 longitudinallbus notata; spira elevato-obtusa ; anfr. 5 ad 6, superi con- 

 vex!, ultimus lateribus reotis, a?quis intervallis inter se distantibiis, aper- 

 tura angusta, partem testaj 3-7 a^quans ; labrum flexuosum, in medio 

 rectum, margine basali curvatum ; columella recta, truncata, callo induta. 



SYNOIJYMS AND KEFERENCES. 



Glandina truncata var. Binney, 1. c. 



Gland'ma paralkla W. G. Binney, Pliila. Proc. 1857, p. 189; Notes, p. 9. 



DESCRIPTION. 



Animal not observed. 



Shell heavy, shining, white, elongated, cylindrical; spire 

 elevated, obtuse ; whorls 6 to 7, with numerous, delicate, 

 longitudinal striae, the upper ones convex, the last one 

 with straight parallel sides; lip straight along the middle, 

 and parallel to the rectilinear side of the opposite whorl, 

 at the basal extremity curved; columella straight, trun- 

 cated, covered with a heavy callus. 



Length, 56 ; breadth, 20 millimetres. 



Geographical Distribution. Louisiana (Rev. E. R. 

 Beadle). 



Remarks. Distinguished by its peculiar parallel sides 

 and heavy texture from any other described species. 

 « 



GLANDINA TEXASIANA Pfeiffek. 

 Plate LXI. Figure 2. 



T. oblonga, solidula, longitudinaliter confertim striata, nitida, pellucida, 

 carnea ; spira convexo-conica, obtusa ; sutura pallida, minute denticulata ; 

 anfr. 6 convexiusculi, ultimus spira paulo longior, basi parum attenuatus ; 

 columella perarcuata, basi laminam albam, tortam, abrupte truncatam 



