Library Digital Collections

Margaret D. Knight prepares a drawing to illustrate the second protozoeal stage in the larval development of Sergestes similis. At upper right is her drawing of this stage in dorsal view, and below is a photograph of the larva. This oceanic shrimp is one of the most common macroplankters in the North Pacific, and is abundant in the cooler waters of the California Current.

Margaret D. Knight prepares a drawing to illustrate the second protozoeal stage in the larval development of Sergestes sim...