302 Mr. Henry B. Brady on 
Bulimina ovata, D'Orbigny. 
acer ovata, D'Orbigny (1846), For. Foss. Vienne, p. 185, pl. 11. figs. 
13, 1 
The commonest of the Bulimine, indeed the only variety 
that accepts the brackish conditions without much deteriora- 
tion. Its occurrence is confined to the northern localities, 
which, as before stated, present a fauna resembling that of 
the littoral and laminarian zones. 
Bulimina elegantissima, D’Orbigny 
Bulimina elegantissima, D'Orbigny (1839), Voyage Aside Mérid. p. 51, 
. pl 12. figs. 13, 14. 
From the Montrose Basin and Frith of Forth ; very rare. 
Virgulina Schreibersii, Czjzek. 
Virgulina hreibersii *, Ko (1848), Haidinger's Natur. Abhandl. 
Li p. lar, pl. 13. figs. 18-2 
Montrose Basin; very rare. 
Bolivina punctata, D'Orbigny. 
Bolivina punctata, D'Orbigny (1839), Voyage l'Amér. Mérid. p. 63, pl. 8. 
dus IET gny ), Voyag p. 65, 
Frequent in the northern estuaries, where the admixture of 
fresh water is not excessive. Absent from the Durham 
gatherings and those from the west of Scotland. Has not 
been found living at any point in the Fen district. 
Bolivina plicata, D'Orbigny. Pl. XII. figs. 7 a, b. 
eren plicata, D'Orbigny (1839), Voyage l'Amér. Mérid. p. 62, pl. 8. 
Distribution similar to that of the foregoing species (B. punc- 
tata), but rarer; confined to the Montrose Basin, the Frith of 
Forth, Budle Bay y, and the river Bl 
D'Órbi igny, in his ‘South America’ ' monograph, describes 
three varieties of biserial Bulimine, viz. Boli ivina punctata, 
B. plicata, and B. costata. None of these are given in Pro- 
fessor Williamson’s work as British species; but the first has 
been collected at many points of our coast, from Shetland 
southwards, on both sides of the island; the second (B. pli- 
Rena is now first recorded from British localities ; whilst the 
Babes Siwsiórsis on the mn gus term is already in common 
use, and it does not seem worth while to hange, ence aie the 
