Language: Chinese with English keys and English foreword
This volume records 221 species, 65 varietas belonging to 20 genera, Naviculaceae, 2 genera, Cymbellaceae, 1 genus, Auriculaceae and 1 genus, Gomphonemaceae, describing their morphological characteristics, ecological features, distribution and the months appeared. Latin name index and Chinese name index. The text is in Chinese with Latin names. Key to the Chinese families, genera and species of the Naviculales in English.