?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=From+hand+to+mouth%3A+Some+critical+stages+in+the+evolution+of+language&rft.creator=Steklis%2C+Horst+Dieter&rft.creator=Harnad%2C+Stevan&rft.subject=Evolution&rft.subject=Cognitive+Psychology&rft.subject=Evolutionary+Psychology&rft.subject=Historical+Linguistics&rft.description=A+theory+of+the+evolution+of+lanaguage%2C+beginning+with+bipedalism+and+lateralization%2C+through+instrumental+and+iconic+gesture%2C+to+arcbitrary+symbols%2C+propositions+and+speech.+The+%22translatability+thesis%22+is+also+introduced%2C+to+the+effect+that+all+languages+are+intertranslatable+(hence+all+can+express+any+and+every+proposition).&rft.publisher=Annals+of+the+New+York+Academy+of+Sciences+280&rft.contributor=Harnad%2C+Stevan&rft.contributor=Steklis%2C+Horst+Dieter&rft.contributor=Lancaster%2C+Jane+B.&rft.date=1976&rft.type=Book+Chapter&rft.type=NonPeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F866%2F1%2Fharnad76.hand.html&rft.identifier=++Steklis%2C+Horst+Dieter+and+Harnad%2C+Stevan++(1976)+From+hand+to+mouth%3A+Some+critical+stages+in+the+evolution+of+language.++%5BBook+Chapter%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F866%2F