Adams — A List of Hynonyms of Irish Alga?.. 189 



I. — DiATOMAOEAE — Continued. 

 Diatoma 



sti'iatulum Ag. = Kbabdonema arcuatum KiUz. 



truncatum Grev. = Synedra affinis Kiitz. 



Diekieia 



pinnata Balfs. = Schizonema mosogloGoides Kiitz. 



ulvoides Berk. = Navieula ulvacea H. Van Heurck. 



Dimeregramma 



distans Greg. = Glypliodesmis distans Grun. 



nanum Greg. = D. minus Balfs. 



Donkinia 



compaeta Balfs. = Ehoicosigma compactum Grim. 



Epithemia 



constrieta W. Sin. = E. Musculus Kiitz. 



marina Dank. = Hantzschia marina Grun. 



Eupleuria 



pulehella Arnott. = Entopyla pulehella Gi-^m. 



Eupodiscus 



sculptus W. Sm. = Auliscus sculptus Balfs. 



Exilaria 



truneata Grev. = Synedra affinis Kiitz. 



Fragilaria 



aequalis Heib. = F. virescens Balfs. 



aurea Carm. = F. striatula Lyngb. 



diatomoides Grev. = F. striatula Lyngb. 



Gomphonema 



marinum W. Sm. = Rhoicosphenia marina W. Sm. 



paradoxum Ag. = Licmopliora paradoxa Ag. 



Grammatophora 



macilenta W. Sin. = G. oceanica Ehr. 



Grammonema 



Jurgensii Ag. = Fragilaria striatula Lyngb. 



Homoeocladia 



liliformis W. Sm. = Nitzschia filiformis W. Sm. 



Martiana Ag. = Nitzschia Martiana H. Van Heurck. 



sigmoidea W. Sm. = Nitzschia fasciculata Grim. 



Lysigonium 



nummuloides W. Sm. = Melosira uummuloides Ag. 



Westii W. Sm. = Melosira Westii W. Sm. 



Wrigbtii O'Meara = Melosira Wrigbtii O'Meara. 



Melosira 



globifera Harv. = Podosira Montagnei Kiitz. 



