How to know the Protozoa : a pictured-key for identifying the more common fresh water, marine, and parasitic Protozoa, with elementary discussions of the importance of each group and of interesting facts concerning them / by Theodore Louis Jahn and Francis Floed Jahn.
Purpose and scope of book -- What is a protozoan -- Where to find protozoa -- Equipment needed for studying protozoa -- How to collect protozoa -- The size of protozoa -- How to prepare and study protozoa -- What do protozoa do for a living -- How protozoa increase in numbers -- How protozoa move -- How to use the keys -- Classifying protozoa -- Subphylum mastigophora -- Subphylum sarcodina -- Subphylum sporozoa -- Subphylum ciliophora.
