May, 1889. 
FORAMINIFERA OF OBAN. 
117 
Balkwill and Millett (G.), 1884, p. 17. 
A short broad, textularian form. Common. 
22. Gaudryina Jiliformis. Berthelin, 1880. 
Wright, J., Proc. Bel. Nat. Field Club (1880-1). 
Appendix, p. 180, pi. viii., figs. 3, 3a, 3b. 
Balkwill and Millett (G.), 1884, p. 7. 
Bobertson, D., Portree Bay, abundant. 
J. Wright says: “ An elongated sandy Gaudryina , 
with later chambers sub-quadrate; often in a frag¬ 
mentary state, the loose sandy texture of its test 
making it liable to be easily broken/’ Rather rare. 
23. Verneuilina polystropha. Reuss, 1845. 
Williamson (R. F.), 1858, p. 65, pi. v., figs. 136-7. 
Balkwill and Millett (G.), 1884, p. 7. 
Robertson, D. (W. S.), 1874, common. 
An arenaceous form (Bulimina), varying in texture, 
generally of an orange or brown colour. 
Very common. 
24. Bulimina pupoides. D’Orbigny, 1846. 
Williamson (R. F.), 1858, p. 62, pi. v., figs. 124-5. 
Robertson, D. (W. S.), 1874, frequent. 
An indistinct spiral form of numerous well-developed 
segments. Frequent. 
25. Bulimina marginata. D’Orbigny, 1846. 
Williamson (R. F.), 1858, p. 62, pi. v., figs. 126-7. 
Robertson, D. (W. S.), 1874, common. 
An easily recognised form, sometimes very short, 
often elongated; the convolutions either serrated 
or crenulated on the smaller edge. Common. 
26. Virgulina Schreibersii. Czjzek, 1847. 
Williamson (R. F.), 1858, p. 63, pi. xiii., figs. 18-21. 
Robertson, D. (W. S.), 1874, frequent. 
The segments are longer and fewer than in the 
Buliminas , and of a textularian character. 
Frequent. 
27. Bolivina punctata. D’Orbigny, 1839. 
Brady, H. B., 1864, Trans. Linn. Soc., London. 
Yol. xxiv., p. 468, pi. xlviii., fig. 9. 
Robertson, D. (W. S.), rare. 
A slender textularian form, often twisted. Frequent. 
28. Bolivina plicata. D’Orbigny, 1839. 
Brady, H. B., Ann. and Mag. Nat. Hist., Ser. 4, 
Vol. vi., p. 302, pi. xii., figs. 7a-b. 
Robertson, D. (W. S.), 1874, rare. 
