Calcitic microlenses as part of the photoreceptor system in brittlestars

NATURE | VOL 412 | 23 AUGUST 2001 | www.nature.com 819 M. Maher, L. Milne, D. de Palacio, K. Redman and C. Roger for recording changeover rates. We also thank D. Bates, P. Harvey, O. Merne and A. Walsh, the Neale family, D. Shaw, M. and L. Smyth, B. Zonfrillo, the Royal Society for the Protection of Birds and the Scottish Seabird Centre for logistical support. S. Bearhop, D. Elston and A. Stien gave statistical advice, while S. Albon, F. Daunt, M. Harris, R. Moss, J. Sherratt and K. Thompson commented on an earlier draft. This project was funded by a Natural Environment Research Council CASE Research Studentship to S.L.

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