Biddalphla elegantula Grev. 

 Campylodiscus Dsemelianus Grun. 



— Ralfsii V. fossilis Grun. 



— Thuretii v. baldjickiana 



Grun. 

 Cheetoceros affine Laud. 

 Climacosphenia moniligera Eh. 

 Cocconeis pellucida Grun. 



— pseudomarginata Greg. 



— scutellum Eh. 



— — V. doljensis Pant. 

 Coscinodiscns asperulus Grun. 



— crassus Bail. 



— decrescens Grun. 



— doljensis Pant. 



— excentricus Eh. 



— elegans Grev. 



— lineatus Eh. 



— marginatus Eh. 



— nitidulus Grun. 



— obscurus A. S. 



— ocuius-iridis Eh. 



— perforatus Eh. v. cellu- 



losa. 



— radiatus Eh. 



— — T . subsequalis 



Grun. 



— robustus Grev. 



— sarmaticus Pant. 



— Stokesianus v . baidji- 



kiana Grun. 



— tumidus Jan. 

 Dinieregramma nanum Greg. 

 Epithemia gibberula Ktz. 



— — V. protracta Grun. 



Grammatophora insignis Grun. 



— — T. doljensis Grun 



— maxima Grun. 



— oceanica Eh. 



— — V. subtilissi- 



ma Grun. 



— robusta Dippel. 



— stricta Eh. v. fotsilis 



Grun. 

 Hemidiscns cuneiformis Wall. 

 Hyalodiscus Isevis Eh. 



— — T. doljensis Pant. 



— radiatus Grun. 



— scoticus Grun. 



233 — 



Hyalodiscns subtilis Bail. var. 



— — australiensis Grun. 

 Leadageria epithemioides Temp. 

 Mastogloia doljensis Pant. 

 Melottira- clavigera Grun . 

 Navicula cancellata Donk. 



— caribea Cl. 



— coarctata A. S. 



— directa W. Sm. 



— doljensis Pant. 



— fusca Ralfs. 



— Gorjanovicii Pant. 



— Hennedyi W. Sm. 



— humerosa Bréb. 



— interrupta Ktz. 



— latissima Greg. 



— — V. karmothensis Grun. 



— lineata Donk. 



— lyra Eh. 



— — V. dilatata A. S. 



— — V. elliptica. 



— scutellum O'Meara. 



— Smithii Bréb. 



— suborbicularis Greg. 



— Vakotinovicii Pant. 



— Yarrensis Grun. 

 Nitzschia doljensis Pant. 

 Orthoneis binotata Grun. 



— splendida Grun. 

 Paralia sulcata Cl. 

 Plagiogramma Gregorianum Grev. 

 Pyxidicnla cruciata Eh. 

 Rapboneis amphiceros Eh. 



— rhombus Eh. 



— subtilissima Pant. 

 Rhabdonema adriaticum Ktz. 



— hamuliferum Kitton. 

 Stepbanopyxis coronaGrun. 



— turris Eh. 

 Stictodiscus californicus Grev. 

 Surirella fastuosa Eh. 



— rotunda Pant. 



Synedra crystallina Ktz. 



— — fa gibba Pant. 

 Thalassfonema Frauenfeldii v. doljen- 

 sis Pant. 



Triceratium favus Eh. 



— spinosum Bail. 



