262 



Rev. Eugene O'Meara, A.M. 



Coscinodiscus. Ehr. 



lineatus. Ehr. 



Malahide, Monkstown, co. Dublin. Sea- 

 weeds, Wicklow. Breaches, co. Wick- 

 low. 



Malahide, Dollymount, co. Dublin. 



Tide-pool, Dalkey, co. Dublin. 



On Fucus serratus, Ballybrack, co. 

 Dublin. 



Dublin Bay. 



Dublin Bay. 



Cyclotella. Kiitz. 



„ Kiitzingiana. Thwaites. R. Liffey, co. Dublin. Kilcool, co. 



Wicklow. 

 „ Meneghiniana. Kiitz. Feather-bed mountain, Lucan, co. Dub- 

 lin. Kilcool, co. Wicklow. 

 Glencree, co. Wicklow. 

 Ballymore Eustace, co. Wicklow. 

 Lucan, Feather-bed mountain, Grand 

 Canal, co. Dublin. 



„ Ehrenbergii. O'M. 



,, minor. Ehr. 



„ punctulatus. Greg. 



„ eccentricus. Ehr. 



Creswellia. Grev. 

 ,, turris. Grev. 



operculata. Kiitz. 

 var. O'M. 

 rotula. Kiitz. 



Cymatopleura. Wm. Sm. 

 solea. Wm. Sm. 



Newcastle Lyons, co. Dublin ; Bowers- 

 court, co. Wicklow. 

 apiculata. Wm. Sm. Killakee, R. Dodder, co. Dublin ; 



Bowerscourt, co. Wicklow. 



B. Dodder, co. Dublin. 



Lucan, Grand Canal, Bortobello, co. 

 Dublin. 



parallela. Wm. Sm. 

 elliptica. Wm. Sm. 



Cymbella. Agardh. 



„ cuspidata. Kiitz. 



_,, affinis. Kiitz. 

 maculata. Kiitz. 



„ helvetica. Kiitz. 



„ ventricosa. Agardh, 



,, lunata. Bab., 



„ porrecta. Bab., 



Denticula. Kiitz. 



„ obtusa, Kiitz. 



„ mutabilis. Wm. Sm 



„ ocellata. Wm. Sm. 



Diatoma. De Candolle. 

 ,, vulgare. Bory, 



grande. Wm. Sm. 



Bohernabreena, Dundrum, Howth, co. 



Dublin. 

 Biperstown, co. Dublin. 

 Newcastle Lyons, co. Dublin ; Kilcool, 



co. Wicklow. 

 Kilcool, co. Wicklow. 

 Lucan, B. Dodder, co. Dublin. 

 Howth, co. Dublin. 

 Howth, co. Dublin. 



B. Dodder, Grand Canal, co. Dublin. 

 Lucan, Bohernabreena, co. Dublin ; 



Black Castle, co. Wicklow. 

 North Wall, co. Dublin. 



B. Dodder, Grand Canal, Bortobello, co, 



Dublin. 

 Killakee, R, Liffey, co. Dublin. 



