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 /

Bibliographic Details

Main Author:	Jahn, Theodore Louis, 1905-
Other Authors:	Jahn, Frances Floed
Format:	Book
Language:	English
Published:	Dubuque : W. C. Brown Co., [1949]
Edition:	Revised edition.
Series:	Pictured key nature series.
Subjects:	Protozoa.