Bull. U. S. B. F., 1923-24. (Doc. 963.) 
Fig. 4— Section of stomach of L. luteola 1 mm. long. A, B, and E, Stcphavodiscus sp.; C, probably a diatom; 
D, filamentous diatom, probably Odontidium. X900. 
Fig. 5.— Section of stomach of L. luteola 2 mm. long, which had been observed ingesting red Euglenas. A, Euglenas; 
B, crystalline style; 6’, entrance to intestine. X 430. 
