402 
BULLETIN OF THE NATURAL HISTORY SOCIETY. 
of light draught to reach its wharves. It receives at its head 
the waters of Richibucto River, a stream of only moderate size. 
Collections were made from the channel, from the wharves, 
and from salt marshes on the shore, and from these the following 
species were obtained. 
Acnanthes longipes Ag. 
Acnanthes subsessilis K. 
Actinoptychus undulatus Kutz. 
Amphiprora alata Kutz. 
Campylodiscus Ralfii W. Sm. 
Campylodiscus spiralis. 
Climacosphenia curvata. 
Cocconeis pediculus Ehr. 
Cocconeis scutellum Ehr. 
Coscinodiscus eccentricus Ehr. 
Coscinodiscus radiatus Ehr. 
Coscinodiscus nitidus Gray. 
Cymbella cuspidata Kutz. 
Diatoma elongatum Ag. 
Diatoma hyalinum. 
Eunotia monodon Ehr. 
Eunotia diodon Ehr. 
Fragillaria Harrisonii Grun. 
Fragillaria capucina Desm. 
Fragillaria virescens Ralfs. 
Himantidium majus W. Sm. 
Himantidium gracile Ehr. 
Himantidium bidens Ehr. 
Himantidium pectinale Kutz. 
Grammatophora marina Lyn. 
Homoecladia filiformis W. Sm. 
Homoecladia sigmoidea W. S. 
Hyalodiscus subtilis Bail. 
Licmophora flabellata Ag. 
Melosira nummuloides Kutz. 
Melosira marina. 
Melosira varians Ag. 
Navicula mesolepta Kutz. 
Diatoms from Mouth of Cocagne River. 
The following species, mostly common elsewhere on the 
coast, were found in mud scraped from the piers of Cocagne 
River bridge: 
Navicula viridis Kutz. 
Nitschia bilobata W. Sm. 
Nitschia plana W. Sm. 
Nitschia sigmoidea Ehr. 
Nitschia vermicularis Hantz. 
Nitschia longissima Ralfs. 
Nitschia sigma W. S. 
Pleurosigma fasciola W. S. 
Pleurosigma Balticum W. S. 
Pleurosigma hippocampus (?) E. 
Podosphenia Jurghensii Kutz. 
Rhabdonema Adriaticum Kutz. 
Rhabdonema arcuatum Kutz. 
Rhoicosphenia curvata Grun. 
Stauroneis anceps Ehr. 
Stauroneis phoenicenteron Ehr. 
Stauroneis salina (?) 
Striatella unipunctata Ag. 
Surirella Mollerianum Grun. 
Surirella ovata Kutz. 
Surirella splendida Kutz. 
Surirella ovalis Breb. 
Synedra ulna Ehr. 
Synedra lunaris Ehr. 
Synedra undulata Bail. 
Synedra radians W. S. 
Synedra salina W. S. 
Synedra acus Kg. 
Synedra biceps W. Sm. 
Tryblionella scutellum Sm. 
Tryblionella gracilis W. S. 
Tabellaria flocculosa Kutz. 
