The Icelandic Forms of Limncea. 259 



(iii.) var. ovata Draparnaud. 

 W. Engidal, near Isafjordur, 1913 ! (H.S.). Laugabol and 



Laugaland in the Isafjardardjup, 1913 ! (H.S.). 

 5. In a small lake on Vestmannaeyar, 27/8/1877 (B.S.). 



Laugarvatn, near Reykjavik, 1912 ! (F.H.S.). 

 E. Sudurland Fljotsdalsherad, 9/9/1898 ! (B.S.). 



(iv.) var. steenstrupi Clessin. 

 S. Laugarvatn, near Reykjavik, 1912 ! (F.H.S.). 



(v.) var. fontinalis Studer. 

 5. Laugarvatn, near Reykjavik, 1912 ! (F.H.S.). 

 N. Graenavatn, Myvatn, 24/7/1913 ! (B.S.). 

 (vi.) var. piniana Hazay. 

 W. On a moor near Reykjavik, 27/7/1912 ! (H.J. in R.M.). 

 N. Botnvatn, S. Thingeyarsyssel, 1/8/1913 ! (B.S.). 



(vii.) var. microcephala Kiister. 

 N. Asmundastadavatn, Melrakkasletta, N. Thingeyarsyssel, 

 17/7/1913 ! (B.S.). 



(viii.) var. sikesi Preston. 

 W. Raudavatn, near Reykjavik, 1913 ! (F.H.S.). 



(ix.) var. lacustrina Clessin. 

 W. Laugarnar, near Reykjavik, 1912 ! (F.H.S.). 



II. Subgenus Lymnophysa Fitzinger. 



2. Limncea truncatnla [Miiller]. 

 W. Laugaland in Skjaldfannardalur, Isafjardardjup, 1913 ! 



(H.S.). 

 5. Krisuvik, in hot sulphur springs (J.St.). 



Geysir, 1912 ! (F.H.S.). 

 N. Akureyri, 1912 ! (F.H.S.). Svartadalsvatn, 1876 ! (T.Th. 



inR.M.). Myvatn, 1916 ! (F.P.). 



(i.) /. spira gracilis Morch. 

 W. Reykjavik-Tjornin (J.H.). Laugarnar, near Reykjavik, 



(G.). 

 5. Krisuvik, Reykjanes (J.St.). 



Abbreviations. 



G. =Adjunkt Gronlunds. 



J.LI. =Jonas Hallgrimsson. 



A.C.J. =A. C. Johansen, D.Ph. 



H.J. =Helgi Jonsson, D.Ph. 



R.M. = Reykjavik Museum. 



F.P. =Francis Pallsson. 



H.S. =Hans Schlesch. 



F.H.S. =F. H. Sikes. 



J. St. =Japetus Steenstrup, Prof. 



T.Th. =Thorvaldur Thoroddsson, Prof. 



1917 Aug. 1. 



