[A new record species, Heniochus diphreutes, Chaetodontidae from China].

A new record species of Chaetodontidae, Heniochus diphreutes, was found by comparative analysis of the morphological characteristics in a taxonomic revision of the family Chaetodontidae in China. It was distinguished from its relative species H. acuminatus by a combination of the following: Dorsal fin usually with 12 spines (vs.

[Primary study on absorption, translocation and accumulation of N, P and K of Achyranthes bidentata].

Objective: To study the absorption, translocation and accumulation of N, P and K on Achyranthes bidentata.

Method: The contents of N, P and K were determined by mean of sulfuric acid-hydrogen peroxide assimilating method, vanadium-ammonium molybdate colorimetric method and flame photometric method, respectively.

Result: The contents of N, P and K in the plant were decreasing during the growth period.