TY - JOUR T1 - An Enquiry into the Cause and Extent of a Special Colour-Relation between Certain Exposed Lepidopterous Pupae and the Surfaces which Immediately Surround Them JF - Philosophical Transactions of the Royal Society of London. B (1887-1895) VL - 178 SP - 311 EP - 441 PY - 1887/01/01/ UR - http://dx.doi.org/10.1098/rstb.1887.0014 M3 - doi:10.1098/rstb.1887.0014 AU - Poulton, E. ER -