Ta.fel 



187. Actinoptyehus hungaricus nov. spec. Szent-Peter ^27^^ 



188. Plagiogramma biharense nov. spec, ^lesd «"/i 



189. Actinoptyehus leptomitos nov. spec. Dolje ^27/^ 



190a. Pleurosigma eudon nov. spec. Szent-Peter *i3^\ 190b. «"/^ 



191. Stephanodiscus Kanitzii Grnn. Pant, forma: major punctis remotio- 



ribus Elesd '^"/^ 

 19:2. Navicula (marginata Lew. var. ?) mastogloidea nov. spec. Szent-Pt'ti'r ^^^^^ 

 193. Terpsinoe americana (Bail.) Ralfs tbima: trig-ona Elesd '^"/^ 



