Polygonia comma form of comma is frequently confused with the dark form of the question mark ("P. interrogationis"), but the two can readily be distinguished by the shape of the comma mark on the underside. The pale form is easily confused with the satyr comma ("P. satyrus"), which usually occurs north and west of the eastern comma's range. They can be distinguished by the upperside color, which is orange brown in the comma and tawny yellowish brown in "P. satyrus"; by the underside pattern, which tends to be mottled in the comma but appears to be more longitudinally streaked in "P. satyrus";
Punctuation Spire of his work: “One of the most important things about my work is imagination. Everything in the composition is necessary, and it’s alive. I draw a complete idea (hopefully). Every dot, every line is in the right place. And that’s something I think about. The finished work should have multiple levels of expression. I think drawing is the root of everything including sculpture and after you’ve drawn for so many years, you just think that way.” Crutchfield died April 20, 2015, in his home in California. Punctuation Spire Punctuation Spire is a sculpture by American artist William Crutchfield that is