2 . Oiamcook Lake and Outlet : 
Diatoma vulgare Bory. 
Diatoma elongatum Ag. 
Meridion circulare Ag. 
Cocconema lanceolatum Ehr. 
Gomphonema geminatum Ag. 
Orthosira punctata? 
Orthosira orichalcea \V. Sm. 
Melosira varians Ag. 
Pinnularia viridis \V. Sm. 
Pinnularia major W. Sm. 
Navicula elliptica Kutz. 
Navicula mesolepta Kutz. 
Navicula polyonca Breb. 
Navicula trinodis. S. B. D. 
Navicula dilatata Ehr. 
Navicula Brebissonii Kg. 
Navicula acrosphaenia Kg. 
Stauroneis phoenicenteron Ehr. 
Stauroneis acuta? W. Sm. 
Stauroneis anceps Ehr. 
Stauroneis Stodderii Lewis? 
Epithemia turgida W. Sm. 
Nitschia Tryblionella. 
Nitschia sigmoidea W. Sm. 
Synedra ulna Ehr. 
Himantidium arcus W. Sm. 
Himantidium undulatum W. Sm. 
Tryblionella gracilis. 
Nitschia Tryblionella? Hantz. 
Tabellaria flocculosa Kutz. 
Tabellaria fenestrata Kutz. 
Surirella splendida Kutz. 
Surirella elegans Ehr. 
Pleurosigma Spencerii W. S. 
Pleurosigma attenuatum W. Sm. 
Cymbella cuspidata Kutz. 
Cyclotella compta Kg. 
Asterionella formosa. 
Amphora ovalis Kutz. 
Gomphonema. 
Eunotia tetraodon. 
Chamcook Lake is about one and a half miles from Passa- 
maquoddy Bay, is about ninety-five feet above tide level, and 
has a maximum depth of 200 feet. The above collection is a 
typical one. 
3. In brook beside railway track, Fredericton : 
Diatoma vulgare Bory. 
Himantidium arcus \V. Sm. 
Meiidion circulare Ag. 
Pinnularia viridis \\'. Sm. 
4. From melting ice of 
Navicula amphirhyncus Ehr. 
Synedra ulna Ehr. 
Synedra limaris. 
Stauroneis phoenicenteron Ehr. 
St. John River at Fredericton. 
Fragillaria capucina Desm. 
Tabellaria flocculosa Kutz. 
Cymbella Helvetica W. Sm. 
Eunotia Monodon Ehr. 
Himantidium arcus W. Sm. 
Cocconema lanceolatum Ehr. 
Nitschia amphioxys. 
Synedra ulna Ehr. 
Synedra lunaris Ehr. 
Surirella. 
Gomphonema acuminatum Ehr. 
Gomphonema geminatum A. 
Pinnularia nobilis. 
Navicula tumida? 
Stauroneis phoenicenteron Ehr. 
Odontidium mesodon Kutz. 
