The Rhythmic Pulsation Of The Cloaca Of Holothurians is a scientific book written by William John Crozier and published in 1916. The book focuses on the cloaca, a multi-functional organ found in the digestive and reproductive systems of holothurians, also known as sea cucumbers. Crozier describes in detail the rhythmic pulsation of the cloaca, which he observed and recorded through a series of experiments. He also examines the anatomy and physiology...