In his desire to popularise this subject, the author has certainly written a very attractive and interesting book. He had considerable experience of the subject, and has therefore been able to give much valuable information on the habitat and the best method of collecting fresh-water organisms. ...
21、t is recommended to refer to the drawings in the standard water sample test manual of APHA AWWA.Wastewater organisms: a color atlas / Sharon G. Berk and John H. Gunderson.Biological classificationProkaryotes (prokaryote, also procaryote) eukaryotes (eukaryote, also ecaryote) protozoa fungiNit...