80 
FORAMINIFERA OF OBAN. 
Apr., 1889. 
9. Miliolinaferussacii. D’Orbigny, 1826. 
Williamson (R. F.), 1858, p. 88, pi. vii., fig. 196. 
Balkwill and Wright (J. F.), 1885, p. 325, pi. xii., 
figs. 10-12. 
Robertson, D. (W. S.), 1874, rare. 
This form seems to have many peculiarities, but 
always the outer edge very flat. Very rare. 
10. Miliolina tenuis. Czjzek, 1847. 
Balkwill and Wright (J. F.), 1885, p. 324, pi. xii., 
figs. 3-5. 
Siddall, J. D., Foraminifera, River Dee, Proc. Chester 
Soc. Nat. Science, Part II., 1878, p. 6. 
Robertson, D., Portree Bay, 1880, abundant. 
Brady, H. B. (Syn. Brit. For.), Roy. Mic. Soc., 1887, 
p. 822. 
Sclilumberger. Sigmoilina temiis, Czjzek. 
J. D. Siddall remarks: “An extreme enfeeblement of 
M. seminulum ,” etc. 
H. B. Brady: “There may be some doubt whether 
such forms are better placed amongst Miliolina 
or Spiroloculinee .” Rather rare. 
11. Miliolina bicornis. Walker and Jacob, 1798. 
Williamson (R. F.), 1858, p. 87, pi. vii., figs. 190-2. 
Robertson, D. (W. S.), 1874, common. 
Oban, 1883. Rare. 
12. Planispira celator. Costa, 1855. 
Wright, J., Fauna, S.W. Coast, Ireland, 1886, Proc. 
Roy. Irish Acad., ser. 2, vol. iv., p. 608. 
Robertson, D., Portree Bay, 1880. 
Often liable to be mistaken for Miliolina agglutmans. 
The test is oval, with pointed ends produced in 
opposite directions, sides convex, and the edge 
thin. Rare. 
13. Cornuspira involvens. Reuss, 1849. 
Balkwill and Wright (J. F.), 1885, p. 327, pi. xii., 
figs. 2a, 2b. 
Balkwill and Millett (Gr.), 1884, p. 5, pi. i., fig. 1. 
A long, whitish tube, coiled in a disc-like form on its 
smaller end, producing a concave surface, quite 
distinct from its congener, C. foliacea. Rare. 
14. Psammosphcera fusca. Schulze, 1874. 
Brady, H. B., 1879, Quart. Jour. Mic. Science. 
Vol. xix., N.S., p. 27, pi. iv., figs. 1-2. 
Balkwill and Wright (J. F.), 1885, p. 327. 
Robertson, D., Portree Bav. 
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