DIATOMS OF NEW BRUNSWICK. 
391 
Melosira subflexilis Kutz. 
Meridion circular e Ag. 
Navicula cyprinus. 
Navicula ovalis W. S. 
Navicula permagna Bail. * 
Nitschia bilobata W. Sm. 4 
Nitschia circumsuta Bail. 
Nitschia Hungarica Grun. 
Nitschia sigmoidea W. S. 
Nitschia Tryblionella Han. 
Nitschia vermicularis Han. 
2. On barnacles adherent 
Acnanthes longipes Kutz. Abundant. 
Amphipleura pellucida Kutz. 
Nitschia sigmoidea W. Sm. 
Synedra salina. Very abundant. 
Synedra radians. Kutz. 
Navicula Gallionii (?) 
Navicula Smithii C. Ag. 
Navicula amphisbaena (?) Bory. 
Navicula viridis Kutz. 
Navicula longa Rails. 
Navicula ovalis Kutz. 
Navicula directa W. Sm. 
Coscinodiscus radiatus Ehr. 
Coscinodiscus marginatus K. B. 
Cocconeis scutellum Ehr. 
Himantidium. 
Melosira nummuloides Kutz. 
Melosira varians Ag. 
Actinoptychus undulatus Ehr. 
Amphora affinis Kutz. 
Amphora obtecta H. L. S. 
Amphora lanceolata Ehr. 
Odontidium mutabile S. B. D. 
Pleurosigma Balticum W. Sm. 
Pleurosigma obscurum W. S. 
Pyxidicula compressa Bail. 
Raphoneis Boeckii W. S. 
Raphoneis amphiceros Kutz. 
Rhabdonema arcuatum K. 
Stauroneis phoenicenteron Ehr. 
Synedra ulna Ehr. 
Tabellaria fenestrata Kutz. 
to Buoy No. 10: 
Hyalodiscus subtilis Bail. 
Rhizosolenia setigera Br. 
Pleurosigma Balticum Grun. 
Pleurosigma. 
Gomphonema marinum W. Sm. 
Grammatophora serpentina Ehr. 
Grammatophora marina Lyn. 
Grammatophora stricta Ehr. 
Surirella. 
Rhabdonema arcuatum Lyn. 
Ripidophora. 
Epithemia zebra Ehr. 
Epithemia turgida Ehr. 
Tryblionella. 
Biddulphia aurita Lyn. 
Biddulphia rhombus Ehr. 
Biddulphia mobiliensis Bail. 
Campylodiscus cribrosus W. Sm. 
Rhoicosphenia curvata Grun. 
Caloneis Schuminiana Lewis. 
Caloneis Schuminiana var. trinodis L. 
Diatoms from the Miramichi River. 
With a view to the determination of the effects of the admix- 
ture of fresh and salt waters upon the distribution of Diatoms, 
collections were made at several points upon the Miramichi 
River from Chatham up to Red Bank, with the following results: 
