The Blood of Ascidia Atra Lesueur: With Special Reference to Pigmentation and Phagocytosis is a scientific book written by John Farquhar Fulton Jr. in 1920. The book focuses on the blood of a type of sea squirt called Ascidia Atra Lesueur, and its unique properties related to pigmentation and phagocytosis. The author delves into the anatomy and physiology of the organism, as well as the role of its blood in various biological processes. The book is...