The fishes of Illinois, Danville, Ill., Pub. by authority of the state Legislature, 1908. fishes, Illinois, quillback, carpiodes velifer, Lydia M. Hart, women in science, A Quillback fish, scientifically known as Carpiodes cyprinus, is displayed prominently. Its distinctive body shape is characterized by a laterally compressed form, which enhances its streamlined appearance. The scales are arranged in a beautiful, overlapping pattern that reflects light in various ways, highlighting the fishs silvery hue. Its head features a slightly rounded shape with large, expressive eyes, and the mouth is equipped for grazing on aquatic vegetation. The dorsal fin is notably long and extends down the length of its back, while the caudal fin is forked, aiding in its agility within aquatic environments. The overall composition emphasizes the beauty and intricacy of this freshwater species, showcasing its natural allure within its