De Lautouk. — On a Dlatoviaceoiis Dei^osit. 307 



B. tuomcyii, Bail. 



B. vittata, n. sp., Gr. and St. 



B. {Cerataulus ^) reversa, n. sp., Gr. and St. 

 BrightircUia pulchra, Grun. 

 Campyloneis {(jrevillei, var. ?) argiis, Grun. 

 Cerataulus johnsonianus (Grev.), CI. 



Cer. marginatus, n. sp., Gr. and St. 



Cer. polymorpJius, Kiitz., forma minor. 



Cer. s^chancjulatus, n. sp., Gr. and St. 



Chcetoceras gastridium (Ehr.), Grun., var. 



Clavicula aspicephala, Paut. 



Cocconeis harhadcnsis, Grev. 



Coc. costatata, Greg. 



Coc. naviculoides, Grev. 



Coc. nodulifer, n. sp., Gr. and St. 



Coc. pseudo-marginata, var. intermedia, Grun. 



Coscinodiscus angulatus, Grev. 



C. bullicns, A. Schm. 

 C. centralis, Greg. 



C. concaviis, Greg., nee Ehr. 

 C. cnrvatulus, Grun. 

 C. decrescens, Grun. 

 C. eccentricus, Ehr. 

 C. elegans, Grev. 



C. elegans, Grev., var. spinifcra, Gr. and St. 

 C. griscus, Grev., var. galopagensis, Grun. 

 C. ineqiialis, n. sp., Gr. and St. 

 C. kutzingii, A. Schm. 

 C. marginatus, Ehr. 

 C. minor, Ehr. 

 C. nitidus, Greg. 



C. oaniaruensis, n. sp., Gr. and St. 

 C. ohlongiis, Grev. 

 C. oculus iridis, Ehr. 

 C. radiatus, Ehr. 

 C. radiosus, Grun. 

 C. rothii, Grun. 

 C. scintillans, Grev. 

 C. suhtilis, Ehr. 



C. suhtilis, var. symbolophora, Grun. 

 Cosmiodiscus normanianus, Grev. 

 Craspedoporus elegans, n. sp., Gr. and St. 

 Dicladia capreolus, Ehr. 

 Dimeregramma fidvum (Greg.), Kalfs. 

 Donkinia antiqua, n. sp., Gr. and St. 

 Entogonia davyana, Grev. 

 Eunotogramma (?) hivittata, Grun. and Paut. 

 Eunotogramma weissei, Ehr., var. producta, u. var., Gr. and St. 

 20 



