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Archee, W. — Description of a new species of Cosmarium 1 

 (Corda), and of Xanthidium (Ehr.). 



Description of a new species of Micrasterias (Ag.), 



with remarks on the distinctions between M. 

 rotata (Ealfs) and M. denticulata (Breb.). 



Description of a new species of Cosmarium 



(Corda) ; of Staurastrum (Meyen) ; of two 

 new species of Closterium (Mtzsch) ; and of 

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On a new species of Ankistrodesmus (Corda), 



with remarks in connexion therewith as 

 regards Closterium Grifhthii (Berk.) and 

 C. subtile (Breb.). 



An Endeavour to identify Palmogloea (Kiitz.), 



with Description of the Plant believed to be 

 meant, and of a new species, both, however, 

 referable rather to the genus MesotEenium 

 (Mg.). 



Description of a new species of Cosmarium 



(Corda) and of Penium (Breb.). 



Description of a new species of Cosmarium 



(Corda) and of Arthrodesmus (Ehr.). 



Eecord of the Occurrence, new to Ireland, with 



ISTote of a peculiar condition of the Volvocina- 

 ceous Alga Stephanosphfera pluvialis (Cohn), 

 and Observations thereon. 



Notice of the Genus Tetrapedia (Eeinsch) and of two kindred new 



Forms. Proc. Eoy. Ir, Acad., 2nd Ser., vol, i., 1872. 



Battees, E. a. L. — Some New British Marine Alg?e. Journ. of Bot., 1896. 



New or critical British Marine Algai, Journ. of Bot., 1896, 1897, 



1900, 1906. 



A Catalogue of the British Marine Algffi. Journ. of Bot., 1902. 



A Preliminary List of the Marine Algte [of Lambay]. Irish Nat., 1907. 



Belfast Naturalists' Field Club : Guide to Belfast, 1874; new ed., 1902. 



Carroll, I. — Algse taken in Cork Harbour or along the coast during the 

 summers of 1850 and 1851. Ann. and Mag. of Nat. Hist,, N. S., 

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Carruthers, W. — Fucus distichus L. as an Irish plant. Journ. of Bot., 

 1863. 



Proc. Nat, Hist. 

 > Society of Dublin, 

 voL iv., 1865, 



