The colour opake white. The finest specimens are from Shepey: not uncommon.
Lin. S. N. p. 1162, No. 275. crispus. Planch. T. 1. f. 2. Gualt. T. 19. f. A. D.
Nautilus Calcar.
Fig. 31. N. spiralis apertura lineari geniculis elevatis. The spiral nautilus, with a narrow aperture and raised joints.
The colour opake white. From Shepey island: not common.
Lin. S. N. 1162, No. 274, calcar. Pl. T. 1. f. 3, 4. Gualt. T. 19. f. C. B.
Nautilus Lævigatulus.
Fig. 32. N. spiralis geniculis lævibus. The spiral nautilus with smooth joints.
The colour semipellucid, white and glossy. From Sandwich and Seasalter: not common.