264 
Fragillaria. Lyng. 
» -capucina. Déesmar. , 
(7) VITOScens sie avais, 479 
5,  equalis. 
sy rea maxima. 
»  crotonensis. 
»  tenuicollis. 
>, _ Striatula. 
»  coustruens. 
5» undata. 
Heiberg, . 
O’Meara, . 
Kitton . 
Heiberg. 
Lyng. : 
Jin ake 
WW Os 5 oe 
by? AADOSOLODTA. 7740.5 toate 
Gomphonema. 
»  geminatum. 
» constrictum. 
»  acuminatum. 
»  dichotomum. 
5 tenellum. 
>» capitatum. 
Agardh. 
Agardh. 
bree, 
Bir. 
Kiitz. . 
Wm.Sm.. 
UV eg 
Ss eer Ol yaceulie ry, Lull tess, 
>» .. intricatum. 
SCL OT. wet dt. 
,»  elongatum. 
iy) ease: 
»,  hebridense. 
»  rostratum. 
Kutz, —. 
Wn. Sm. 
Greg. ; 
Greg. 
Wm. Sm. 
5,  minutissimum. Greg.. 
55 sarcophagus. Greg. . 
Himantidium. Ehr, 
55 pectinale. Kutz, : 
»  undulatum. Wm.Sm. 
»  soletroli. Kiitz. : 
sod CUB, 2) VV Tela ts 
REV. EUGENE O’MeEarRA, A.M. 
Everywhere in fresh water. ( 
Friarstown, Piperstown, Killakee, co. 
Dublin; Glencree, Greenane,. co. 
Wicklow. 
Oyster Beds, Malahide, Co. Dublin. 
Aghold, co. Wicklow. 
Newcastle Lyons, co. Dublin ; Green- 
ane, co. Wicklow. 
Malahide, co. Dublin; Greenane, co. 
Wicklow. 
Ballybrack, Monkstown, Kingstown, 
co. Dublin; Arklow, co. Wicklow. 
Piperstown, Killakee, co. Dublin. 
Bohernabreena, Kaiilakee, co. Dublin. 
Malahide, Ringsend, co. Dublin. 
R. Dodder, Bohernabreena, co. Dublin. 
Imcan, Friarstown, Malahide, co. Dub- 
hn ; Arklow, co. Wicklow. 
Friarstown, R. Dodder, co. Dublin ; 
Powerscourt, Arklow, co. Wicklow. 
Powerscourt, co. Wicklow. 
Lucan, Malahide, co. Dublin ; Arklow, 
co. Wicklow. 
Newcastle Lyons, co. Dublin. 
Very common. 
Powerscourt, Arklow, co. Wicklow. 
Malahide, co. Dublin; Arklow, co. 
Wicklow. 
Arklow, co. Wicklow. 
Friarstown, Boat Harbour, Dolphin’s 
Barn, co. Dublin ; Powerscourt, 
Glencree, co. Wicklow. 
Kaillakee, co. Dublin. 
Pond in’Trinity College Botanic Gar- 
dens, co. Dublin; Arklow, co. Wick- 
low. 
Friarstown. R. Dodder, co. Dublin. 
R. Dodder, co. Dublin. 
Carrickmacrilly, co. 
Wicklow. 
Rathdrum, Powerscourt, co. Wicklow. 
Piperstown, Feather Bed Mountain, R. 
Dodder, co. Dublin ; Powerscourt, 
co. Wicklow. . 
Glencree, Powerscourt. Rathdrum, co. 
Wicklow. 
Powerscourt, 
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