OLIVA. 133 



O. SENEGALENSis. Ovatc, turgid above^ with 

 its spire short, rounded off, and conical; whitish, 

 waved with wide red longitudinally flexuous lines ; 

 mouth very slightly tinted with violet. If. E. 

 364. 3. 



O. UNDATA. Ovate - ventricose, pale ash- 

 colour, waved with brown flexuous lines; spire 

 very short ; columella tuberculated by compressed 

 calluses. If. W. 19. 34. 



O. BiciNCTA. Ovate - ventricose, white, 

 sprinkled with bluish-grey dots, and marked with 

 two yellowish-brown zones ; spire short and mu- 

 cronated ; columella tuberculated. 1^. E. 364. I. 



O. TESSELLATA. Cylindraccous, yellow, 

 sprinkled with violet - brown guttules ; spire 

 short, callous ; lip and pillar violet, f . W. 19. 

 42. ^ 



O. CARNEOLA. Cylindraccous, yellowish 

 orange, sub-fasciated with white; spire as last; 

 mouth white. J. W. 19. 43. 



O. ispiDULA. Cylindraceous, narrow, vary- 

 ing in colour ; spire rather prominent and acute ; 

 mouth chocolate-colour, l^. E. 366. 6. 



O. scRiPTA. Cylindraceous, greyish fulvous, 

 covered with a fine fulvous network, and two ob- 

 solete bands of letter-like markings, whose depth 

 of colour varies in specimens ; spire very short ; 

 mouth bluish. If. E. 362. 4. 



