the expression of emotion in man and animals-第2章

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。　　〃　In　the　above　passage　there　is　but　a　slight；　if　any；　advance　in　the　philosophy　of　the　subject；　beyond　that　reached　by　the　painter　Le　Brun；　who；　in　1667；　in　describing　the　expression　of　fright；　says：〃Le　sourcil　qui　est　abaisse　d'un　cote　et　eleve　de　l'autre；　fait　voir　que　la　partie　elevee　semble　le　vouloir　joindre　au　cerveau　pour　le　garantir　du　mal　que　l'ame　apercoit；　et　le　cote　qui　est　abaisse　et　qui　parait　enfle；　…nous　fait　trouver　dans　cet　etat　par　les　esprits　qui　viennent　du　cerveau　en　abondance；　comme　polir　couvrir　l'aine　et　la　defendre　du　mal　qu'elle　craint；　la　bouche　fort　ouverte　fait　voir　le　saisissement　du　coeur；　par　le　sang　qui　se　retire　vers　lui；　ce　qui　l'oblige；　voulant　respirer；　a　faire　un　effort　qui　est　cause　que　la　bouche　s'ouvre　extremement；　et　qui；　lorsqu'il　passe　par　les　organes　de　la　voix；　forme　un　son　qui　n'est　point　articule；　que　si　les　muscles　et　les　veines　paraissent　enfles；　ce　n'est　que　par　les　esprits　que　le　cerveau　envoie　en　ces　parties…la。〃　I　have　thought　the　foregoing　sentences　worth　quoting；　as　specimens　of　the　surprising　nonsense　which　has　been　written　on　the　subject。

‘The　Physiology　or　Mechanism　of　Blushing；'　by　Dr。　Burgess；　appeared　in　1839；　and　to　this　work　I　shall　frequently　refer　in　my　thirteenth　Chapter。

In　1862　Dr。　Duchenne　published　two　editions；　in　folio　and　octavo；　of　his　‘Mecanisme　de　la　Physionomie　Humaine；'　in　which　he　analyses　by　means　of　electricity；　and　illustrates　by　magnificent　photographs；　the　movements　of　the　facial　muscles。　　He　has　generously　permitted　me　to　copy　as　many　of　his　photographs　as　I　desired。　　His　works　have　been　spoken　lightly　of；　or　quite　passed　over；　by　some　of　his　countrymen。　It　is　possible　that　Dr。　Duchenne　may　have　exaggerated　the　importance　of　the　contraction　of　single　muscles　in　giving　expression；　for；　owing　to　the　intimate　manner　in　which　the　muscles　are　connected；　as　may　be　seen　in　Henle's　anatomical　drawings＇7＇the　best　I　believe　ever　published　it　is　difficult　to　believe　in　their　separate　action。　Nevertheless；　it　is　manifest　that　Dr。　Duchenne　clearly　apprehended　this　and　other　sources　of　error；　and　as　it　is　known　that　he　was　eminently　successful　in　elucidating　the　physiology　of　the　muscles　of　the　hand　by　the　aid　of　electricity；　it　is　probable　that　he　is　generally　in　the　right　about　the　muscles　of　the　face。　　In　my　opinion；　Dr。　Duchenne　has　greatly　advanced　the　subject　by　his　treatment　of　it。　No　one　has　more　carefully　studied　the　contraction　of　each　separate　muscle；　and　the　consequent　furrows　produced　on　the　skin。　　He　has　also；　and　this　is　a　very　important　service；　shown　which　muscles　are　least　under　the　separate　control　of　the　will。　　He　enters　very　little　into　theoretical　considerations；　and　seldom　attempts　to　explain　why　certain　muscles　and　not　others　contract　under　the　influence　of　certain　emotions。　A　distinguished　French　anatomist；　Pierre　Gratiolet；　gave　a　course　of　lectures　on　Expression　at　the　Sorbonne；　and　his　notes　were　published　（1865）　after　his　death；　under　the　title　of　‘De　la　Physionomie　et　des　Mouvements　d'Expression。'　This　is　a　very　interesting　work；　full　of　valuable　observations。　　His　theory　is　rather　complex；　and；　as　far　as　it　can　be　given　in　a　single　sentence　（p。　65）；　is　as　follows：〃Il　resulte；　de　tous　les　faits　que　j'ai　rappeles；　que　les　sens；　l'imagination　et　la　pensee　ellememe；　si　elevee；　si　abstraite　qu'on　la　suppose；　ne　peuvent　s'exercer　sans　eveiller　un　sentiment　correlatif；　et　que　ce　sentiment　se　traduit　directement；　sympathiquement；　symboliquement　ou　metaphoriquement；　dans　toutes　les　spheres　des　organs　exterieurs；　qui　la　racontent　tous；　suivant　leur　mode　d'action　propre；　comme　si　chacun　d'eux　avait　ete　directement　affecte。〃

＇7＇　‘Handbuch　der　Systematischen　Anatomie　des　Menschen。'　Band　I。　Dritte　Abtheilung；　1858。

Gratiolet　appears　to　overlook　inherited　habit；　and　even　to　some　extent　habit　in　the　individual；　and　therefore　he　fails；　as　it　seems　to　me；　to　give　the　right　explanation；　or　any　explanation　at　all；　of　many　gestures　and　expressions。　　As　an　illustration　of　what　he　calls　symbolic　movements；　I　will　quote　his　remarks　（p。　37）；　taken　from　M。　Chevreul；　on　a　man　playing　at　billiards。　　〃Si　une　bille　devie　legerement　de　la　direction　que　le　joueur　pretend　zlui　imprimer；　ne　l'avez…vous　pas　vu　cent　fois　la　pousser　du　regard；　de　la　tete　et　meme　des　epaules；　comme　si　ces　mouvements；　purement　symboliques；　pouvaient　rectifier　son　trajet？　　Des　mouvements　non　moins　significatifs　se　produisent　quand　la　bille　manque　d'une　impulsion　suffisante。　Et　cliez　les　joueurs　novices；　ils　sont　quelquefois　accuses　au　point　d'eveiller　le　sourire　sur　les　levres　des　spectateurs。〃　Such　movements；　as　it　appears　to　me；　may　be　attributed　simply　to　habit。　As　often　as　a　man　has　wished　to　move　an　object　to　one　side；　he　has　always　pushed　it　to　that　side　when　forwards；　he　has　pushed　it　forwards；　and　if　he　has　wished　to　arrest　it；　he　has　pulled　backwards。　Therefore；　when　a　man　sees　his　ball　travelling　in　a　wrong　direction；　and　he　intensely　wishes　it　to　go　in　another　direction；　he　cannot　avoid；　from　long　habit；　unconsciously　performing　movements　which　in　other　cases　he　has　found　effectual。

As　an　instance　of　sympathetic　movements　Gratiolet　gives　（p。　212）　the　following　case：〃un　jeune　chien　A　oreilles　droites；　auquel　son　maitre　presente　de　loin　quelque　viande　appetissante；　fixe　avec　ardeur　ses　yeux　sur　cet　objet　dont　il　suit　tous　les　mouvements；　et　pendant　que　les　yeux　regardent；　les　deux　oreilles　se　portent　en　avant　comme　si　cet　objet　pouvait　etre　entendu。〃　Here；　instead　of　speaking　of　sympathy　between　the　ears　and　eyes；　it　appears　to　me　more　simple　to　believe；　that　as　dogs　during　many　generations　have；　whilst　intently　looking　at　any　object；　pricked　their　ears　in　order　to　perceive　any　sound；　and　conversely　have　looked　intently　in　the　direction　of　a　sound　to　which　they　may　have　listened；　the　movements　of　these　organs　have　become　firmly　associated　together　through　long…continued　habit。

Dr。　Piderit　published　in　1859　an　essay　on　Expression；　which　I　have　not　seen；　but　in　which；　as　he　states；　he　forestalled　Gratiolet　in　many　of　his　views。　　In　1867　he　published　his　‘Wissenschaftliches　System　der　Mimik　und　Physiognomik。'　　It　is　hardly　possible　to　give　in　a　few　sentences　a　fair　notion　of　his　views；　perhaps　the　two　following　sentences　will　tell　as　much　as　can　be　briefly　told：　　〃the　muscular　movements　of　expression　are　in　part　related　to　imaginary　objects；　and　in　part　to　imaginary　sensorial　impressions。　　In　this　proposition　lies　the　key　to　the　comprehension　of　all　expressive　muscular　movements。〃　（s。　25）　Again；　〃Expressive　movements　manifest　themselves　chiefly　in　the　numerous　and　mobile　muscles　of　the　face；　partly　because　the　nerves　by　which　they　are　set　into　motion　originate　in　the　most　immediate　vicinity　of　the　mind…organ；　but　partly　also　because　these　muscles　serve　to　support　the　organs　of　sense。〃　（s。　26。）　If　Dr。　Piderit　had　studied　Sir　C。　Bell's　work；　he　would　probably　not　have　said　（s。　101）　that　violent　laughter　causes　a　frown　from　partaking　of　the　nature　of　pain；　or　that　with　infants　（s。　103）　the　tears　irritate　the　eyes；　and　thus　excite　the　contraction　of　the　surrounding　in　muscles。　Many　good　remarks　are　scattered　throughout　this　volume；　to　which　I　shall　hereafter　refer。

Short　discussions　on　Expression　may　be　found　in　various　works；　which　need　not　here　be　particularised。　　Mr。　Bain；　however；　in　two　of　his　works　has　treated　the　subject　at　some　length。　He　says；＇8＇　〃I　look　upon　the　expression　so…called　as　part　and　parcel　of　the　feeling。　　I　believe　it　to　be　a　general　law　of　the　mind　that　along　with　the　fact　of　inward　feeling　or　consciousness；　there　is　a　diffusive　action　or　excitement　over　the　bodily　members。〃　In　another　place　he　adds；　〃A　very　considerable　number　of　the　facts　may　be　brought　under　the　following　principle：　　namely；　that　states　of　pleasure　are　connected　with　an　increase；　and　states　of　pain　with　an　abatement；　of　some；　or　all；　of　the　vital　functions。〃　But　the　above　law　of　the　diffusive　action　of　feelings　seems　too　general　to　throw　much　light　on　special　expressions。

Mr。　Herbert　Spencer；　in　treating　of　the　Feelings　in　his　‘Principles　of　Psychology'　（1855）；　makes　the　following　remarks：〃Fear；　when　strong；　expresses　itself　in　cries；　in　efforts　to　hide　or　escape；　in　palpitations　and　tremblings；　and　these　are　just　the　manifestations　that　would　accompany　an　actual　experience　of　the　evil　feared。　The　destructive　passions　are　shown　in　a　general　tension　of　the　muscular　system；　in　gnashing　of　the　teeth　and　protrusion　of　the　claws；　in　dilated　eyes　and　nostrils　in　growls；　and　these　are　weaker　forms　of　the　actions　that　accompany　the　killing　of　prey。〃　Here　we　have；　as　I　believe；　the　true　theory　of　a　large　number　of　expressions；　but　the　chief　interest　and　difficulty　of　the　subject　lies　in　following　out　the　wonderfully　complex　results。　I　infer　that　some　one　（but　who　he　is　I　have　not　been　able　to　ascertain）　formerly　advanced　a　nearly　similar　view；　for　Sir　C。　Bell　says；＇9＇　〃It　has　been　maintained　that　what　are　called　the　external　signs　of　passion；　are　only　the　concomitants　of　those　voluntary　movements　which　the　structure　renders　necessary。〃　　Mr。　Spencer　has　also　published＇10＇　a　valuable　essay　on　the　physiology　of　Laughter；　in　which　he　insists　on　〃the　general　law　that　feeling　passing　a　certain　pitch；　habitually　vents　itself　in　bodily　action；〃　and　that　〃an　overflow　of　nerve…force　undirected　by　any　motive；　will　manifestly　take　first　the　most　habitual　routes；　and　if　these　do　not　suffice；　will　next　overflow　into　the　less　habitual　ones。〃　This　law　I　believe　to　be　of　the　highest　importance　in　throwing　light　on　our　subject。‘

＇8＇　‘The　Senses　and　the　Intellect；'　2nd　edit。　　1864；　pp。　　96　and　288。　The　preface　to　the　first　edition　of　this　work　is　dated　June；　1855。　See　also　the　2nd　edition　of　Mr。　Bain's　work　on　the　‘Emotions　and　Will。'

＇9＇　‘The　Anatomy　of　Expression；'　3rd　edit。　　p。　　121。

＇10＇　‘Essays；　Scientific；　Political；　and　Speculative；'　Second　Series；　1863；　p。　　111。　　There　is　a　discussion　on　Laughter　in　the　First　Series　of　Essays；　which　discussion　seems　to　me　of　very　inferior　value。

＇11＇　Since　the　publication　of　the　essay　just　referred　to；　Mr。　Spencer　has　written　another；　on　〃Morals　and　Moral　Sentiments；〃　in　the　‘Fortnightly　Review；'　April　1；　1871；　p。　　426。　　He　has；　also；　now　published　his　final　conclusions　in　vol。　　ii。　　of　the　second　edit。　of　the　‘Principles　of　Psychology；'　1872；　p。　　539。　　I　may　state；　in　order　that　I　may　not　be　accused　of　trespassing　on　Mr。　Spencer's　domain；　that　I　announced　in　my　‘Descent　of　Man；'　that　I　had　then　written　a　part　of　the　present　volume：　　my　first　MS。　notes　on　the　subject　of　expression　bear　the　date　of　the　year　1838。

All　the　authors　who　have　written　on　Expression；　with　the　exception　of　Mr。　Spencerthe　great　expounder　of　the　principle　of　Evolution　appear　to　have　been　firmly　convinced　that　species；　man　of　course　included；　came　into　existence　in　their　present　condition。　Sir　C。　Bell；　being　thus　convinced；　maintains　that　many　of　our　facial　muscles　are　〃purely　instrumental　in　expression；〃　or　are　〃a　special　provision〃　for　this　sole　object。＇12＇　But　the　simple　fact　that　the　anthropoid　apes　possess　the　same　facial　muscles　as　we　do；＇13＇　renders　it　very　improbable　that　these　muscles　in　our　case　serve　exclusively　for　expression；　for　no　one；　I　presume；　would　be　inclined