Or the impressions were cones in incomplete, or crescentic basins.
The most common dune form on Earth and on Mars is the crescentic.
The principal form is crescentic in shape, with outward-curved edge.
In measles it is crescentic in shape, and is more elevated than in typhus.
The blow-hole is single, crescentic and median, as in the Delphinidae.
Two pairs of plates for the King of France required 3000 crescentic and 3000 round gilt nails to fix the velvet.
The notochord (ch) is seen below the brain, and below this again the crescentic foregut (al).
The body is crescentic and covered with spines, and only a single leg, with claws, is represented.
The two crescentic designs in plate cxxxv, a, are regarded as butterflies.
The crescentic extension above what is apparently the head occurs in many bird figures and may represent a beak.