OLIVA. 133 
O. SENEGALENSIS. Ovate, turgid above, with 
its spire short, rounded off, and conical; whitish, 
waved with wide red longitudinally flexuous lines ; 
“mouth very slightly tinted with violet. 19. E. 
364. 3. 
O. unpaTa. Ovate-ventricose, pale ash- 
colour, waved with brown flexuous lines; spire 
very short; columella tuberculated by compressed 
calluses. 17. W. 19. 34. 
O. sicincTA. Ovate-ventricose, white, 
sprinkled with bluish-grey dots, and marked with 
two yellowish-brown zones; spire short and mu- 
cronated ; columella tuberculated. 14. E. 364. 1. 
OQ. TESSELLATA.  Cylindraceous, yellow, 
sprinkled with violet - brown guttules; spire 
short, callous ; lip and pillar violet. 2. W. 19. 
42. 
O. cARNEOLA. Cylindraceous, yellowish 
orange, sub-fasciated with white; spire as last; 
mouth white. 2. W. 19. 43. 
Q. ispipuLA. Cylindraceous, narrow, vary- 
ing in colour; spire rather prominent and acute ; 
mouth chocolate-colour. 14. E. 366. 6. 
O. scripra. 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. 12. E. 362. 4. 
