In the article 'Functional expression of the oxytocin receptorin Xenopus laevis oocytes primed with mRNA from bovine endometrium'by S. D. Morley, W. Meyerhof, J. Schwarz and D. Richter whichappeared in the Journal of Molecular Endocrinology (1988) 1,77–81 line 6, page 79 should read '25 and 1000 nM (nanomolar)oxytocin' and line 1, page 80 should read '1000 nM (nanomolar)oxytocin'. The journal expresses its apologies for this error.