479 



Canton 



Canton 

 R.ver 



Achnanthes ventricosa 

 Amphora libjca 

 Biddulphia pulchella ? 

 CampylodUcus Echenei's 



helinphilus ? 

 Ceratone'i's Fascio/a 

 laminaris 

 Cocconei's elongala 



Placenlula 

 Cocconema gracile 



lanceolatum 

 leptoceros 

 cytnbiforme 

 Cuscinodiscus Argus ? 



eccenlricus 

 flavicans ? 

 lineatus 

 subtilis ? 

 Dictyopyxis cruciala 

 Difßugia oblonga ? 

 Discoplea sinensis (alrnosphae.?) 



picta 

 Eunolia aniphioxys 

 Cocconema ? 

 gibba 

 gibberula 

 granulata ? 

 Monodon 

 Triodon ? 

 Fragilaria ? mesotyla 

 Gallionella coronata 

 distans 

 granulata 

 procera 



Blumen 

 Erde 



A. I B. 



+ 



