10 1. Älaffifieatton. 



57. Actinocyclus, ©tral}lcnt)ofc» 



58 Navicula, (5d)iff4)en. 



59. Eunotia, ^rad)tf^{ffd)Cn» 



60. Cocconeis, ©d)ilbfd)iffd)en. 



61. Bacillaria, ^\i$}^adÜ)kx(i)tt\. 



62. Tessella, ^latknUtU. 



63. Fragilaria, S5rud)ftcibd)en. 



64. Meridion, gad)erjlabci)en. 



T}xilU ©CCtlon: Echinellea. 



65. Isthmia, . Sff()mentt)ievci^cn« 

 (ji). Sjnedra, ^Uent{}icrdbcn, 



67. Podosphcnia, ^ci(fcl)iippd)en. 



68. Gomphonema, ^cilbciumd}en. 



69. Echiiiella, 5^>almcntl)icrd)en. 



70. Coccoiiema, ©tetjforn. 



71. Achnaiitlies, gat)nentblcrd)en. 



72. Striatella, 3[(f5ac!fä{)nd)en. 



Stierte ©CCtion : Lacernata. 



7;>. Erustulia, ^aUcrtfct)iffd}en. 



74. Syncyeiia, 9lin9fcl)iP)cn. 



75. Nauneina, 9vü^renfd?iffct}en. 



76. Gloeoneraa, 9vül)renfürn. 



77. Sdiizoneiiia, (Stratlcnfd)iffct)en, 



78. Microme^a, Üiöl}renbäumd)cn. 



79. xlcincta. ®tral)(cnbaumd}cn. 



litc ^yrtintUc: Cyclidiiia, ®d)etbcntv)terd)en. 



80. Cyclidiuni, ©d)eibentl}ierd[)en. 



81. Pantotiichura, 5l}?ufft()icvd)cn. 



82. Chaetoraoiias, ^orflcnmonabc. 



