BULLKTIN OF THE NATURAL HISTORY SOCIETY. 
LMH) 
Diatoms from. Harris's or ^^latthew’s Cove, Kennebecasis, 
I. Fresh Water Forms. 
Amphora pvalis Kiitz. 
Eunotia arcus Ktz. 
Cocconema lanceolatum Ehr. 
Cocconeis Placentula Ehr. 
Cymbella Ehrenbergii Kutz. 
Encyonema coespitosum K. 
Epithemia turgida Ehr. 
E. gibba Kutz. 
E. zebra Ehr. 
Eunotia monodon Ehr. 
E. diodon Ehr. 
Gomphonema acuminatum Ehr. 
Odontidium mutabile S. B. D. 
Melosira varians Ag. 
M. granulata. 
Navicula nobilis Ehr. 
N. major Kutz. 
N. viridis Ktz. 
N. maculata Bail. 
Nitschia sigmoidea W. Sm. 
Pleurosigma attenuatum W. Sm. 
Stauroneis anceps Ehr. 
S. phoenicenteron Ehr. 
Surirella splendida Ehr. 
S. ovata Kutz. 
S. ovalis Breb. 
S. biseriata W. Sm. 
Synedra pulchella Kutz. 
S. ulna Ehr. 
Tabellaria fenestrata Kutz. 
2. Marine or Brackish Water Forms. 
Amphiprora alata Kutz. 
Acnanthes subsessilis Ehr. 
Biddulphia aurita Lyn. 
B. laevis Ehr. 
Campylodiscus cribrosus W. Sm. 
Cocconeis scutellum Ehr. 
Coscinodiscus radiatus. 
C. lineatus. 
C. eccentricus. 
C. marginatus. 
Cyclotella Kutzingiana. 
Doryphora fRaphoneis) Boeckii W. S. 
D. amphiceros Kutz. 
Epithemia musculus Kutz. 
Grammatophora marina Kutz. 
G. serpentina Kutz. 
Homoecladia filiformis W. S. 
Mastogloia Smithii Thw. 
Melosira Borrerii Grcv. 
Navicula peregrina Ktz. 
N. Smithii var. ovalis. 
N. elliptica Kutz. 
N. marina Ralfs. 
N. bilobata W. Sm. 
Nitschia sigma W. Sm. 
N. scalaris W. Sm. 
N. angularis W. Sm. 
Raphoneis amphiceros Ehr. 
Striatella unipunctata Ag. 
Surirella ovata Kutz. 
S. constricta W. S. 
Synedra arcus Kutz.* 
Tryblionella gracilis W. S. 
Try. scutellum W. Sm. 
Triceratium alternans Bail. 
Surirella striatula Turp. 
S. Brightwellii W. Sm. 
In addition to the above the following sjK'cies, constituting 
a little less than one-half of all those observed, also occur at 
this point: 
