Pilla, R. S., Kitska, D. J. and Loader, C. (2005). Statistical analysis of modified complete randomized designs: applications to chemo-orientation studies. J. Exp. Biol.208, 1267-1276.

The following typographical errors appeared in both the on-line and print versions of this paper.

On p. 1270, second column,second paragraph, the first line is missing a model number and should read:

It is important to emphasize that the model under which the simulated data is generated is different from the model (1).

On p. 1272, second column under `Results' section, in the first paragraph, the last sentence contains errors with reference to Table 1 and P-value. The sentence should read:

However, the scientific interest is usually in treatment effects and the analysis in Table 2 incorrectly finds a highly significant treatment effect(P=2.533×10-5), while failing to detect the real...

On p. 1274, first column,first paragraph, the P-value, to match the value in Table 3, should be: P=0.0307.

We apologize to authors and readers for any inconvenience these errors may have caused.