630 DIATOMEAE. 



Biddulphia Favus (Ehrenb.) Van Heurek. 



Biddulphia mobiliensis (Bailey) Grun. 



Biddulphia peruviana Grun. 



Biddulphia reticulata Roper. 



Biddulphia Eeticulum (Ehrenb.) Boyer. 



Biddulphia Robertsiana (Grev.) Boyer. 



Biddulphia Smithii (Ealfs) Van Heurek. 



Biddulphia spinosa (Bailey) Boyer. 



Biddulphia Tabellarium (Brightw.) Boyer. 



Rhabdonema adriaticum Kiitz. 



Grammatophora marina (Lyngb.) Kiitz. 



Entopyla australis (Arnott) Grun. 



Petitia* Temperei Perag. 



Plagiogramma decussatum Grev. 



Plagiogramma tessellatum Grev. 



Dimerogramma lanceolatum Perag. 



Dimerogramma minus (Greg.) Ealfs. 



Synedra formosa Hantzsch. 



Synedra fulgens (Grev.) W. Smith. 



Synedra superba Kiitz. 



Synedrosphaenia baculiformis Perag. 



Cocconeis heteroidea Hantzsch. 



Cocconeis pseudomarginata Greg. 



Amphora acuta arcuata (A. Schmidt) Cleve. 



Amphora coffaeiformis (Ag.) Cleve. 



Amphora crassa Greg. 



Amphora cymbelloides Grun. 



Amphora gigantea fusca (A. Schmidt) Cleve. 



Amphora Graeffei Grun. 



Amphora Gruendleri Greg. 



Amphora Janischii A. iSchmidt. 



Amphora ostrearia Breb. 



Amphora ostrearia vitraea Cleve. 



Amphora rhombica Kitton. 



Caloneis formosa (Greg.) Cleve. 



Caloneis Liber (W. Smith) Cleve. 



Caloneis Liber Bleischii (Janisch) Cleve. 



Caloneis Powellii (Lewis) Cleve. 



Mastogloia affinis Cleve. 



Mastogloia affirmata Leud. 



Mastogloia amoena turgida Brun. 



Mastogloia bisulcata Grun. 



Mastogloia bisulcata corsicana (Grun.) Cleve. 



Mastogloia Craveni Leud. 



Mastogloia euxina Cleve var. 



Mastogloia lineata Cleve & Grove. 



Mastogloia Macdonaldii Grev. var. 



Mastogloia ovata Grun. 



Mastogloia Peragalli Brun. 



Mastogloia Pisiculus Cleve. 



Mastogloia Rh6mbus P. Petit. 



Mastogloia rostellata Grun. 



Dictyoneis marginata (Lewis) Cleve. 



Diploneis advena sansegana (Grun.) Cleve. 



Diploneis Bombus (Ehrenb.) Cleve. 



* Petitia for a modern diatom genus is invalid. See Petitia Jacq. 1760, a genus 

 of Verbenaceae, p. 373 of this book. N. L. B. 



