31. (Original description, translated from French into English ) The solid shell has a fusiform shape. 32. Venerids have rounded or oval solid shells with the umbones ( projections ) inturned towards the anterior end. 33. "Euprotomus aurisdianae " has a thick and solid shell which has a nearly elliptical contour. 34. "Voluta ebraea " has a somewhat robust and solid shell , with a slightly elongate contour. 35. (Original description ) The small, white, solid shell has a swollen protoconch consisting of 1?columella is short. 36. Many solid shells show a slight roughening of the surface, but this is quite different from the ribbed sculpture mentioned above. 37. The rather solid shell has a turriform shape . it is white, covered with a dirty yellowish, slightly fibrous cuticle. 38. (Original description ) The rather solid shell is elongate, rounded at the base and blunt at the varix is broad and high. 39. The solid shell has a turreted shape, with a few prominent longitudinal ribs terminating at the periphery, crossed by close, strong striae. 40. The shells were burnt for 3 days at a temperature of about 800 �C to turn the solid shells into lime when it was mixed with fresh water.
