— 85 — 



17 Podosira hormoides Mont. 



18 Coscinodiscus excentricus Ehr. 

 19 — 21 Auliscus intercedens Jan. 



22 * sculptus (Sm.) Ralfs. 





Indischer Ocean. 



1 Triceratium affine Grün. 



2 



Biddulphia reticulata Roper. 



3 



Triceratium Favus Ehr. 



*4 Triceratium 



5 



* Grunowii Jan. 



6—7 



= formosum Bright. 



8—9 



* biquadratum Jan, 



10—11 



Hydrosera triquetra Wall. 



12 



Biddulphia laevis Ehr. 



13 



* Indica Ehr. 



14-15 



* reticulata Roper. 



16—17 



* pulchella Gray. 



1 Triceratium dubium Bright. 



2 * zonulatum Grev. 



3 Biddulphia Roperiana Grev. 



4 Triceratium sculptum Shad. 

 *5 — 6 Terpsinoe 



*7— 8 Biddulphia 



9 Grammatophora oceanica Ehr. 

 10 — 11 Rhabdonema Adriaticum Kg. 



12 Climacosira mirifica Grün. 



13 Gephyria incurvata Arn. 

 *14 Biddulphia 



15 Euphyllodium spathulatum Shad. 

 *16 Mastogloia 



17 Navicula nitescens Greg. 



18 * munda Jan. 

 *19 Fragilaria 



20 Surirella Gemma Ehr. forma minuta. 



21 * Kittoniana Leud. Fort. 



22 * notabilis Leud. Fort. 

 23 — 27 = fastuosa Ehr. et var. 



