FLAGELLATES AND ALGiR OF THE BIl^MTNOIIAM DISTRICT \J 



Nod UL ARIA Mert. 



iV. spnmif/ena Mert. 1-12. 

 ws. Stapenliall Farm, King's Norton. 

 JV. Ilarvei/aua (Tliwaites) Tlmr. 

 ST. In soil, Baggeridge. 



TOLYPOTIIRIX KiUz. 

 T. ten If is Kiitz. 1. 

 ws. Trimplev. 



T. lanata (I)osv.) Wartm. 3, 4. 

 WK. Sutton Park. ws. Halesowen. 



SCTTONEMA Ag. 



S. javanicum (Kiltz.) Born. 



ws. In soil, Harborne. These spores never completel}^ developed, 

 but it is probable that they were the spores of the above-named 

 species, which has been found in soil from Wiltshire. See Bristol, 

 /. c. 1920, p. 05. First record in Britain. 



RiVULARIA Ag. 

 li. dura Both. 6-8. 

 ws. In ponds. Barnt Green, on stems of aquatic plants. 



Glafcocystis Itzig. 

 G. Xosiocliinearum Itzig. 1, 2, 11. 

 ws. Stapenliall Farm pond, King's Norton ; Trimplev, abundant. 



PERIDINIE^. 



Hemidinium stein. 

 H. nasiitnm Stein. 5. 



WK. [Botanic Gardens, Edgbaston, IV. J. JI.~\ ; Sutton Park, 

 T. Bolton. 



Gtmnodinium stein. 



G. ceruginosnm Stein. 4, 5. 



WK. In ponds, Berkswell. 



G. sp. (allied to G. tenuissimvm Lauterb.). 1. 



WK. Pond at Stapenliall Farm, King's Norton, Jan. 1919, W. J. H. 

 These specimens were seen by Professor West, who said that they 

 were probably the same species as some he had found previously in a 

 pond near Birmingham (exact locality not mentioned) ; he gave it 

 the name G. Campylodiscus, l)ut seems to have left no description. 

 It is not certain that the two forms were identical. 



[Length 42-50 /x, breadth about 38 u, thickness 5-7*5 ^<. The 

 cells are remarkably flattened on both sides, and frequently have a 

 slight spii-al twist. Chromatophores numerous, light brown ; no 

 stigma. Anterior extremity of cell somewhat apiculate. This fornix 

 if not identical witli G. trnifh^irnvm Lautei'b.. is at anv rate closely 

 alli( d to it.— F". ,/. K.^ 



