96 
DEPARTMENT OF THE NAVAL SERVICE 
Coscinodiscus asteromphalus, Ehr. 
i concinnus, W.S. 
radiatus, Grun. 
Melosira subflexilis, Kutz. 
Rhizosolenia setigera, Br. 
ce 
Doucett’s (Dochet) Island, March 27. 
Chetoceras decipiens, Cl. 
y sociale. 
Coscinodiscus eccentricus, Ehr. 
Biddulphia pulchella. 
tt aurita, Breb. 
Pleurosigma. 
Thalassiosira Nordenskioldu, Cl. 
St. Croix River, at mouth, March 28. 
Diatoms abundant. 
Biddulphia aurita, Breb. Common. 
Zs pulchella, Gray. Common. 
Chatoceras decipiens, Cl. 
Coscinodiscus concinnus, W.S. Common. 
6 asteromphalus, Ehr. Common. 
ES radiatus, Grun. Rare. 
Fragillaria capucina, Desm. 
Melosira varians, Ag. 
Rhizosolenia setigera, Br. 
Thalassiosira Nordenskioldti, Cl. 
Doueett’s (Dochet) Island, March 27. 
Chetoceras decipiens, Cl. 
oo sociale. 
Coscinodiscus eccentricus. Ehr. 
3iddulphia pulchella, Gray. 
e aurita, Breb. 
Pleurosigma. 
Thalassiosira Nordensiioldii, Cleve. 
St. Andrews Harbour, March 4. 
‘Biddulphia aurita, Breb. 
Chetoceras decipiens, Cl. 
ee sociale, Land. 
Coscinodiscus asteromphalus, FEhr. 
Melosira Jerghensvi, Ag. 
Pleurosigma. 
Letite, March 28. 
Biddulph 1 aurita, 3reb. Common. 
cs pulchella, Gray. Abundant. 
Coscinodiscus asteromphalus, Ehr. Common. 
ss concinnus, W.S. Common. 
Chetoceras decipiens, Cl. Common. 
ce boreale, Bail. Rare. 
7 GEORGE V, A. 1917 
