31 
Licmophora flabellata, Agardh, on algz in bay. 
L. tincta, Grun., abundant on small floating alge and on zo- 
6phytes. ‘ 
Melosira nummuloides, Agardh, abundant in bay near Long 
Point. 
M. sulcata, Kiitz., common near inlet and in mud. 
Navicula forcipata, Grev., common, on flat near bridge and foot 
of B street. 
N. granulata, Breb., rare, near inlet. 
NV. Hennedyi, W. Sm., common, near inlet and on flat near 
bridge. 
NV. humerosa, Breb., abundant, foot of B street. 
NV. Indica, Grev., occasional, near inlet and on flat: near bridge. 
NV. inflexa, Ralfs, abundant and pure, in sand ripples near inlet, 
south side. 
N. lyra, Ehr., abundant, on flats near wagon bridge and at foot 
of B street. 
NV. oculata, Breb., common, on flat near inlet, north side. 
NV. palpebralis, Breb., occasional, near inlet. 
NV. permagna, Bailey, occasional, at foot of B street and in mud. 
NV. peregrina, Ehr. (Pinnularia), ommon, in ditches on north 
side near bridges. 
N. pretexta, Ehr., common, near inlet at foot of B street. 
NV. pygmea, Kiitz., occasional, near inlet. 
LV. retusa, Breb., occasional, near inlet. 
Nitzschia bilobata, W. Sm., occasional, near inlet. 
N. closterium, W. Sm., abundant, on flat near inlet, north side. 
NV. littorea, Grun., occasional, near inlet. 
NV. longissima, Ralfs., occasional, near inlet, north side. 
NV. marina, Grun., common, at foot of B street. 
N. vivax, W.Sm., common, at foot of B street. 
Pleurosigma Balticum, W. Sm., common, in pools above railroad. 
P. angulatum, W. Sm., occasional, in pools above railroad. © 
P. fasciola, W. Sm., common, on flat near inlet, north side. 
P. elongatum, W. Sm., occasional, near inlet. 
P. hippocampus, W. Sm., common, near inlet and in pools above 
railroad. é 
P. decorum, W. Sm., occasional, near inlet. 
