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 

 longitudinalibus notata ; spira elevato-obtusa ; anfr. 5 ad 6, super! con- 

 vexi, ultimus lateribus rectis, aequis intervallis inter se distantibus, aper- 

 tura angusta, partem tested 3-7 sequans ; labrum flexuosum, in rnedio 

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



SYNONYMS AND KEFERENCES. 



Glandina truncata var. BINNEY, 1. c. 



Glandina parallela W. G. BINNEY, Phila. Proc. 1857, p. 189; Notes, p. 9. 



DESCRIPTION. 



Animal not observed. 



She/I heavy, shining, white, elongated, cylindrical ; spire 

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

 longitudinal striaB, 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 PFEIFFER. 

 PLATE LXt. FIGURE 2. 



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

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

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

 columella perarcuata, basi laminam albam, tortam, abrupte truncatam 



