e. 
Pleurosigma. 
)? 
Diatomacee of Dublin and Wicklow. 
Wm. Sm. 
delicatulum. Wim. Sm. 
strigosum. 
quadratum. 
eestuaril. 
balticum. Wm. 
Wm. Sm. 
Wm. Sm. 
angulatum, Wm. Sm. 
Wm. Sm. . 
Sm. 
acuminatum. Wim. Sm. 
Wm. Sm. 
distortum. 
fasciola. Wm. Sm. , 
macrum. Wm. Sm. . 
prolongatum. Wm.S8m. 
tenuissimum. Wm. Sm. 
littorale. 
Wm. Sm. . 
hippocampus. Wm. Sm. 
attenuatum. Wm. Sm. 
Wm. Sm. 
lacustre. 
Spenceri. 
marinum. Donkin, 
lanceolatum. 
Wansbeckil. 
Normanii. 
naviculaceum. 
Ralfs. 
Wm. Sm. 
Donkin. 
Donkin. 
Bréb. 
intermedium. Wm.Sm, 
Podocystis. Kiitz. 
»  adriatica. Kiitz. 
Podosira. Ehr. 
»  maculataa ‘Wm. Sm 
Podosphenia. Ehr. 
»  Ehrenbergil. Kiitz. 
» ~Lyngbyei. Ktitz. 
»  surgensil. Kiitz. 
Ralfsia. O'Meara. 
» hyalina. Kiitz. 
271 
Malahide, co. Dublin; 
near town of Wicklow. 
Dalkey, Howth, Malahide, co. Dublin. 
Portmarnock, Malahide, co. Dublin ; 
Salt Marsh, near town of Wicklow. 
Malahide, co. Dublin; Salt Marsh, 
near town of Wicklow. 
Malahide, co. Dublin. 
Dalkey, Portmarnock, co. Dublin ; 
Salt Marsh, near town of Wick- 
low. 
Salt Hill, Portmarnock, co. Dublin. 
Portmarnock, Malahide, co. Dublin. 
Malahide, co. Dublin ; Salt Marsh near 
town of Wicklow. 
Treland’s Eye, co. Dublin. 
Malahide, co. Dublin; Salt Marsh, 
near town of Wicklow. 
Malahide, co. Dublin. 
Salt Marsh, near town of Wicklow. 
Portmarnock, co. Dublin ; Newcastle, 
co. Wicklow. 
Grand Canal Portobello, Bohernabreena, 
co. Dublin ; Kilcool, co. Wicklow. 
Grand Canal, Ditch, Phoenix Park, co. 
Dublin. 
Lucan, R. Dodder, Dundrum,co. Dublin ; 
Dunlavin, co. Wicklow. 
Malahide, Kingstown, co. Dublin. 
Malahide, co, Dublin. 
Newcastle. co. Wicklow. 
Dalkey, co. Dublin. 
Dublin Bay. 
Portmarnock, co. Dublin. 
Salt Marsh, 
Dalkey, Sutton, co. Dublin. 
R. Liffey, Dublin. 
Portmarnock, co. Dublin. 
Malahide, co. Dublin. 
Malahide, co. Dublin. 
N ewcastle, co, Wicklow. 
