Corrections and Clarifications
In reference (1) on page 1202 of the letter to the editor "Ecological research" by A. R. Blaustein (1 Sept., p. 1201), and in line 19 of the response by W. Roush (p. 1203), the year of publication was given incorrectly as 1991. The correct, entire reference is A. R. Blaustein, D. G. Hokit, R. K. O'Hara, R. H. Holt, Biol. Conserv. 67, 251 (1994).