Ecological Research (2004) 19:209-216

The legends for Fig. 1 and Fig. 2 of this article were transposed by mistake. The correct figure legends are as follows:

Fig. 1. The locations of investigated parks (○) in the 23 wards of Tokyo and those in Chiba City, Japan.

Fig. 2. Regression of the log10 number of ant species in a park vs the log10 area of the park in Tokyo (●) (y=0.3188x–0.1968; R2=0.6191) and in Chiba (○) (y=0.1344x+0.5843; R2=0.2197).