154 Proceedings of the Royal Physical Society. 
DIATOMS From InrTeRGLACIAL PEAT-BeD In BouLDER C.Lay, 
REDHALL QUARRY, NEAR EDINBURGH. 
Amphora ovalis, Ktz. 
Ceratoneis arcus, Ktz. 
a » var. majus. 
Cymbella lanceolata, Ehr. 
= cistula, Hemper. 
se gastroides, Ktz. 
a a var. minor. 
Stawroneis phenicenteron, Nitz. 
sd acuta, W. Sm. 
= gracilis, W. Sm. 
a anceps, Ehr. 
Navicula major, Ktz. 
< nobilis, Ktz. 
4, viridis, Ktz. 
AS gibba, Ktz. 
a Zimosa, Ktz. 
5 ovalis, Sm. 
8 anglica, Ralfs. 
=p rvadiosa, Ktz. 
f cuspidata, Ktz. 
rhynchocephala, Ktz. 
bP) 
Navicula, sp. 
Pleurosigma attenuatum, W. Sm. 
Gomphonema insigne, Grev., forma 
major. 
Epithemia gibba, Ehr. 
., >> var. ventricosa. 
Asterionella formosa, Hassal. 
Synedra pulchella, Ktz. 
5  aanica, Ktz:. 
Tabellaria fenestrata, Lyngb. 
Cymatoplcura solea, Sm. 
F elliptica, Breb. 
Surirella elegans, Ehr. 
5 spiralis, Ktz. 
vy biseriata, Breb. 
Campylodiscus costatus, W. Sm. 
Nitzschia angustata, Grun. 
Hanizia amphioxis, var. intermedia, 
Grun. 
Cyclotella comte, Ktz. 
Tote. —I have no doubt that further investigations would increase the list 
of diatoms from this bed.—R. K. 
