| Description | Slide shows four diagrams of 'parapodia', labelled 'a' to 'd'.
The individual diagrams have further labels which are explained in the key.
The title to the right of the image reads 'Fig. 137 - Parapodia. A, Polynoe ; B, Scoloplos ; C, Euphrosyne (transverse section of body) a', Accessory cirrus ; y, doubtful branchiae ; D, Sabella (thoracic). a, Notopodial cirrus ("elytron" in A, "gill" in B) ; b', Notopodium ; c, neuropodium ; d, neuropodial cirrus ; n, aciculum (accidentally omitted in C).' |