Diatomacece of Dublin and Wicklow. 



275 



Tabellaria. Ehr. 



„ nocculosa. Roth. 

 „ fenestrata. Lyngb. 



Toxoniclea. Donkin. 



„ Gregoriana. Donkin . 

 „ insignis. Donkin, 



Triceratium. Ehr. 



,, altemans. Bailey, 

 „ amblyoceros. Ehr. 



„ exiguum. Wm. Sm. . 



Tryblionella. Wm. Sm. 



,, scutellum. Wm. Sm. 

 ,, gracilis. Wm. Sm. . 

 ,, marginata. Wm. Sm. 

 „ punctata. Wm. Sm. . 



acuminata. Wm. Sm. 



angustata. Wm. Sm. 

 apiculata. Greg. , 



constricta. Greg. 



laevidensis. Wm. Sm. 



Hantzschiana. Grunow. 

 Neptuni. Schuman, . 



Abundant in fresh water. 

 With the preceding. 



Ireland's Eye, co. Dublin. 

 Malahide, co. Dublin. 



Mud of R Liffey, Dublin Bay. 

 Stomachs of ovsters. Poolbeg, co. Dub- 

 lin. 

 R. Liffey, co. Dublin. 



Murrough, near town of Wicklow. 

 Newcastle, co. Wicklow. 

 Portmarnock, co. Dublin. 

 Malahide, Portmarnock, co. Dublin. 



Newcastle, co. Wicklow. 

 Howth, Malahide, Portmarnock, co. 



Dublin. Salt ditch near town of 



Wicklow. 

 Friarstown, P. Dodder, co. Dublin. 

 Monkstown, Howth, co. Dublin. 

 Monkstown, co. Dublin. Salt ditch 



near town of Wicklow. 

 Malahide, co. Dublin. Newcastle, co. 



Wicklow. 

 Newcastle, co. Wicklow. 

 Howth, co. Dublin. 



