Glossary beginning with P

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P

pars stridens

The file portion of the stridulatory device. The plectrum is moved along the file to produce sound.

partes stridentes
see pars stridens 
phonoreception
Term propsed by Beer et al 1899 [bib]57307[/bib] to replace hearing to "eliminate from the study of invertebrate behaviour all reference to human experience" [bib]57306[/bib]. "This proposal largely failed of its object. On the one hand, it was ignored by the majority of naturalists and morphologists. On the other, where it was adopted by the experimentalists, they often took over the new terms, but used them merelyassynonymsfor the old. The languagewas new, but the meaning was the same, and the core of the problem remained untouched. This problem, restated with reference to the subject of this review, is briefly the problem of defining the nature of the evidence which will justify the attribution of a sense of hearing to animals which differ radically from man in their organization and into whose 'minds', if such exist, we have in the nature of things no opportunity of seeing." [bib]57306[/bib] "It has in no way cleared up the muddle which inevitably arises when a human observer endeavours to distinguish between phonic and tactile senses in an animal on the basis of his own sensory experience.This confusion is apparent right through the literature up to the present time." [bib]57306[/bib]
Phrase
See Echeme
Plectrum
Part of the stridulatory apparatus that is moved along the file (pars stridens) to produce a sound.

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith