How to know the Protozoa
Subtitle: 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: by Theodore Louis Jahn and Frances Floed Jahn.
Contributors: Jahn, Frances Floed.
Series: Pictured-key nature series
Place of publication: Dubuque
Number of pages: 234
Subjects: Protozoa.
Notes: 6