P. flesus, [687];

coloration elements, [167], [170];

P. limanda, [687];

P. platessa, [686], [687]

Pleuronectidae, [684], [683], [152], [264], [275], [284], [302], [412];

protective coloration, [172]

Pleuropholis, [545]

Pleuroplax, [445]

Pleuropterygii, [436], [148]

Plication, of branchial sac, [48]