Actinella, S. Hel. 
Acusta, S. Hel. 
Aegista, S. Hel. 
Aegopis, S. Zon. . 
—  verticillus Fitz. 
Aerope, Gen. 
Fm- caaffra B. 
— Wesseliniana Miz. 
Agalma, S. Hel. . . . 
Agathylla, S. Claus. 
Aglaja, S. Hel. 
—  anachoreta Tr. 
— arrosa Tr. 
—  Ayresiana Tr, 
—  Bridgesi Tr. 
—  Carpenteri Tr. 1 
—  Dupetithouarsi Tr. . 
— exarata Tr. 
zw fnmeta Tr. 
c digblis Pr. 
E tuba Tr..- 
—  Hillebrandi Coop. 
posumnmata Ir.l 4j 
—  Mormonum Tr. . 
—  Nickliniana Tr. . 
—  ramentosa Coop. 
— — cx? 
—  Rowellii Tr. 
—  rufocineta Tr. . , 
—  sequoicola Tr. 
— [raskii Tr. 
—  tudiculata Tr. 
—  Veitchii Tr. 
—  Yocotulana Dór. 
Agraulina, Gen. 
—  atava Cr. 
— cylindracea Cale. 
— Emiliana Ben. 
— incerta Ben. 
— integra Mss. 
— marocceana Mss.. 
— melampoides L w. 
— mitriformis Lw. 
— Nouletiana Dup. 
C oryza Lw./j 
—  Paroliniana W. B. 
psathyrolena Bgt.. 
pupaeformis Cantr. 
tornatellina Lw. 
tridens Pult. 
triticea Lw. : 
tuberculata Lw. 
Zacynthia Roth. 
Agnatha, Ser. . . . ; 
Alaea, S. Pup. : 
— AUgencuais Bkiic 
. 137 
. 116 
. 105 
Alaea, cylindrica Jeffr. . 
—  edentula Bk. . 
— marginata Jeftr. 
— nitida Jeffr. 
— palustris Jeftr. 
— Paredesi Bk. . 
—  pygmaea Bk. 
vulgaris J effr.- 
Albaniea, Ss. Claus. . 
Albersia, S2Beb 5v 
i granulata Ad. 
—  zconulata Ad. 
Albinaria, S. Claus. 
Alinda, S. Claus. 
—— biplicata Brus. 
Alloglossa, avenacea Lindstr. 
i25: Gere W'est.!. 2: 
—  Muühlfeldti MOIl. 
Ajgpia, S. Claus. 
Bielzi Bttg. 
—  bogatensis Bttg. . 
—  eaneseens Bttg. 
—7 -elegans Btig.. 
— glauca BIz. 
—  glorifica Parr. 
vidua Bttro 1: 
—  Lischkeana Bttg. 
straminicollis Bttg. . 
Alsobia, Ss. Agraul. 
Alvearella, Lw. S. usd 
Amastra, S. Achatinell. 
T afünis E. 
— Anthonii Ps. . 
—  assimilis Ps. 
—  eonicospira Ps. 
—  conifera Gul. 
—  cylindrica Ps. 
—  deecortieata Ps. 
v5 teliiptied, B8: 6. uiv 
— elongata Ps. 
—  farcimen Ps. 
—  flavescens Ps, 
— humilis Ps. 
—ir42nflafia Ps. 
— intermedia Ps. 
— "wepnlakm, Psai. 
— lineolata Ps. 
— luctuosa Ps. 
—  malleata Sm. . 
—  Mastersi Ps. 
—  melanosis Ps. 
—. micans Ps. ; 
co 3404 80desia s Psy". 12152 
—* mueronataj Ps.. £.5 X 
—-— onera Pa ; 
—  nigrolabris Ps. 
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. 198 
. 198 
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