270 



Rev. Eugene O'Meara, A.M. 



Nitzschia. Hassall. 



>) 



bilobata. Wm. Sm. . 



jj 



plana. Wm. Sm. 



i) 



birostrata. Wm. Sm. . 



j? 



closterium. Wm. Sm. . 



}> 



curvula. Wm. Sm. . 



» 



panduriformis. Greg. 



>> 



5> 



virgata. Roper, 

 hyalina. Greg, 

 palea. Wm. Sm. 



J> 



insignis. Greg. 



„ thermalis. Grunow, . 



„ Hungarica. Grunow, 

 „ minutissima. Wm. Sm. 



Odontidium. Kiitz. 



sinuatum. Wm. Sm. 



„ hyemale. Lyii£ 

 mesodon. Ehr. 



anomalum. Wm. Sm. 

 tenue. KUtz. 

 ans. Kiitz. 



Odontodiscus. Elir. 



„ excentricus. Ehr. 



Orthosira. Thwaites. 



„ arenaria. D. Moore, 



,, sulcata. Ehr. 



„ orichalcea. Wm. Sm. 



„ roseana. Rab. 



Plagiogramma. Greville, 



„ staurophorum. Greg. 



Pleurosigma. Wm. Sm. 



,, formosum. Wm. Sm. 

 ,, decorum. Wm. Sm. 

 „ speciosum. Wm. Sm. 

 „ elongatum. Wm. Sm. 

 „ nubecula. Wm. Sm. 



Newcastle, co. Wield ow. 



Newcastle, co. Wicklow. 



Salt Hill, co. Dublin. 



Salt Hill, co. Dublin. 



Lucan, R. Dodder, co. Dublin. 



Portmarnock, salt ditch near town of 

 Wicklow. 



Malahide, Portmarnock, co. Dublin. 



Malahide, co. Dublin. 



Kilcool, co. WickloAv. 



Dalkey, co. Dublin 3 Newcastle, co. 

 Wicklow. 



Killakee, Blackrock, co. Dublin ; Kil- 

 cool, Powerscourt, co. Wicklow. 



Kingstown, co. Dublin. 



North Wall, co. Dublin. 



R. Dodder, co. Dublin ; Slate Quarry, 



Glenmore, co. Wicklow. 

 Black Castle, co. Wicklow. 

 Friarstown, Piperstown, co. Dublin ; 



Glencree, Powerscourt, co. Wicklow. 

 Newcastle, co. Wicklow. 

 Powerscourt, co. Wicklow. 

 Powerscourt, Rathdrum, Black Castle, 



co. Wicklow. 



Dollymount, Malahide, Dalkey, Bally- 

 brack, co. Dublin. 



Killakee, co. Dublin; Kilcool, co. 



Wicklow. 

 Malahide, Dalkey, co. Dublin; near 



town of Wicklow. 

 Killakee, co. Dublin ; Glencree, co. 



Wicklow. 

 Killakee, co. Dublin. 



Dollymount Oyster Beds, Malahide, 

 co. Dublin. 



Howth, Malahide, co. Dublin. 

 Salt Hill, co. Dublin. 

 Salt Hill, co. Dublin. 

 Bray, Newcastle, co. Wicklow. 

 Malahide, co. Dublin; Kilcool, co. 

 Wicklow. 



