40 BOOK OF SPECIES. 
attenuated at the base, bluish white, with many 
fulvous bands ; spire very short; pillar with four 
plaits; lip toothed. 4. (Front. 2.) 
CYCLOSTOMA. TERRESTRIAL. 
Variable in shape ; volutions cylindrical ; aperture 
circular, entire, and reflected, in the adult state ; 
operculum horny. 
C. votvuttm. ‘Trochiform, deeply umbili- 
cated, transversely striated, variegated with red 
and yellow; spire acuminated ; aperture white or 
yellow ; lip with its margin reflected. 14. W. 
32. 7. 
C. pABEO. Oblong-obtuse, umbilicated, pel- 
lucid, decussated, white or reddish, with minute 
yellow forked spots in transverse series; lip re- 
flected, white, dilated, and open. 13. W. 32. 
120. 
C. FLAVULUM. Cylindraceous, chrysalis-like, 
solid, smooth, reddish yellow; whorls eight, rather 
convex; aperture surrounded by a yellow ring; 
lip margined without. 17. W. 32. 114. 
C. ELEGANS. Ovate-conic, with five ventri- 
cose whorls, strongly striated transversely, and 
crossed by very fine longitudinal lines, greyish or 
purplish white, elegantly spotted with chocolate 
brown. ;4. B. The lip of adult specimens has 
its margin slightly reflected. T. 75. 
