"x 
Helix, bicincta Dub. 
bicolor Mts. 
bicolor Dh. 
biconcava P. . 
biconcava Gass. . 
biconvexa Mts... 
bicostata P. 
bicruris P.. 
bidens Chmz.. 
bidens Müll. 
bidens Brod. 
bidentalis Lam. 
bidentata Gm. 
bidentata Dp. 
bidenticulata Bs. 
Bidwilli P. 
HERICACSeHm. 
bifasciata Burr. 
bifasciata Turt. 
bifasciata P. 
biformis Zgl. . 
bifoveata Bs. . 
bifrons Lw. i 
bifurcata Dh. . 
bigonia F. . 
Bigoti Crs. 
Bigsbyi Tryon. . 
bijuga Stol. 
bilabiata Ol. 
bilamellata P. 
bilineata P. 
bilirata Blf. 
Billeana Mch. . 
Billeheusti Cr. F. 
Bimaensis Mss. 
bimarginata Gr. 
binaria P. 
Binneyana P. 
Biocheana Crs. . 
biomphala P. . 
bipartita F. 
bipartita Rouss. 
biretracta Mss. 
Birmana P. 
bisculpta Bs. 
bistrialis B. 
bisuleata P. 
bitaeniata Cox. . 
bituberculata P. 
bituberculata Rv. 
bitubereulata F. . 
bizonalis Dh. . 
bizonalis var. Bl. 
Blackalli Bras. 
Blackmani Cox. 
Blainvillei Cox. 
Helix, Blainvilleana Lea. 
Blakeana Tate. 
Blanchetiana Moric. 
blanda Cox. 
Blandiana Ad. 
Blandigiana Lea. 
Blanfordi Th. 
Biunfordiffi Ad. 
Blanfordiana H. Ad. 
Blauneri Sh. . . 
Blidahensis Bgt. 
Blomfieldi Co x 
Boa Hupé. 
Bocageana Crs. 
Bocourti Mor. 
Bogharensis Deb. 
Bogotensis P. 
Boholensis P. 
Boholensis Semp. 
Boissieri Chp. 
Boissyi Terv. 
Joivini Pet. 
Bollei Alb. 
bolus Bs. 
bombayana Grat. 
bombycina P. 
Bonduellia Bgt. 
Bonplandi Lam. 
Bonplandi Val. 
Bontia Chmz. 
Boothiana P. . 
Borbonica Dh. 
Borboniea F. . 
Borneensis P, 
Bornii P. 
Boryana Mor. 
Boscae Hid. 
Bosciana F. 
Botterii Parr. 
Bougainvillei p 
Bourailensis Gass. 
Bourcieri P. 
Bourcieri Rv. 
Bour guignati E: 
M. 
Bouvieri Mor. 
Bouyeri Cr. F. B. 
Bowdichiana F. . 
Boydii Ang. 
Boyer E... 
brachyodon Sw 
brachyplecta Bs. 
brachysoma Orb. 
bracteola F. 
Brandtii Kob. 
V Wo cura vd Mab & Le. 
