Junk, 1889. 
FORAMINIFERA OF OBAN. 
131 
48. Nodosaria pyrula. D’Orbigny, 1826. 
Williamson (R. F.), 1858, p. 17, pi. ii., fig. 39. 
Balkwill and Wright (I. F.), 1885, p. 343, pi. xii., 
fig. 23. 
Robertson, D. (W. S.), 1874, rare. 
An elongated variety, with inflated segments, usually 
smooth, the ends of which are long, narrow 
tubes. Rare. 
49. Nodosaria scalaris. Batscli, 1791. 
Williamson (R. F.), 1858, p. 15, pi. ii., figs. 36-8. 
Robertson, D. (W. S.), 1874, common. 
The chambers vary in number, the costae also, both 
in number and in the fineness or coarseness of 
markings ; mostly two-chambered. Frequent. 
50. Nodosaria communis. D’Orbigny, 1826. 
Williamson (R. F.), 1858, p. 18, pi. ii., figs. 40-1. 
Robertson, D. (W. S.), from six places. 
Oban, 1883. Rare. 
51. Vaginulina legumen. Linne, 1758. 
Williamson (R. F.), 1858, p. 21, pi. ii., fig. 45. 
Robertson, D. (W. S.), 1874, rare. 
A nearly straight pod-like form, not spiral (fragments 
only). Rare. 
52. Cristellaria rotulata. Lamark. 1804. 
Williamson (R. F.), p. 27, pi. ii., figs. 52-3. 
Robertson, D. (W. S.), 1874, frequent. 
Oban, 1883. Rare. 
53. Polymorphina gibba. D’Orbigny, 1826. 
Balkwill and Wright (I. F.), 1885, p. 345. 
Robertson, D. (W. S.), 1874, enumerates P. lactea 
frequent, and P. gibba , common. 
H. B. Brady, Syn. Rec. Brit. For., 1887; Jour. Roy. 
Mic. Soc., London, p. 912. 
“ Scarcely separable either in character from P. lactea." 
Rare. 
54. Uvigerina angulosa. Williamson, 1858. 
Williamson (R. F.), 1858, p. 67, pi. v., fig. 140. 
A triangular species, tapering towards each end; 
aperture with a lip like a bottle; surface costate. 
Frequent. 
55. Globigerina bulloides. D’Orbigny, 1826. 
Williamson (R. F.), 1858, p. 56, pi. v., figs. 116-8. 
Robertson, D. (W. S.), 1874, rare. 
The best known form of all Foraminifera. Rare. 
