ac.themysteriousaffairatstyles-第37部分

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on　to　destroy　her　will　arose　as　a　direct　consequence　of　the　quarrel　she　had　that　afternoon；　and　that　therefore　the　quarrel　took　place　after；　and　not　before　the　making　of　the　will。　
　‘‘Here；　as　we　know；　I　was　wrong；　and　I　was　forced　to　abandon　that　idea。　I　faced　the　problem　from　a　new　standpoint。　Now；　at　4　o'clock；　Dorcas　overheard　her　mistress　saying　angrily：　‘You　need　not　think　that　any　fear　of　publicity；　or　scandal　between　husband　and　wife　will　deter　me。''　I　conjectured；　and　conjectured　rightly；　that　these　words　were　addressed；　not　to　her　husband；　but　to　Mr。　John　Cavendish。　At　5　o'clock；　an　hour　later；　she　uses　almost　the　same　words；　but　the　standpoint　is　different。　She　admits　to　Dorcas；　‘I　don't　know　what　to　do；　scandal　between　husband　and　wife　is　a　dreadful　thing。'　At　4　o'clock　she　has　been　angry；　but　pletely　mistress　of　herself。　At　5　o'clock　she　is　in　violent　distress；　and　speaks　of　having　had　a　great　shock。　
　‘‘Looking　at　the　matter　psychologically；　I　drew　one　deduction　which　I　was　convinced　was　correct。　The　second　‘scandal'　she　spoke　of　was　not　the　same　as　the　first　　and　it　concerned　herself！　
　‘‘Let　us　reconstruct。　At　4　o'clock；　Mrs。　Inglethorp　quarrels　with　her　son；　and　threatens　to　denounce　him　to　his　wife　　who；　by　the　way；　overheard　the　greater　part　of　the　conversation。　At　4。30；　Mrs。　Inglethorp；　in　consequence　of　a　conversation　on　the　validity　of　wills；　makes　a　will　in　favour　of　her　husband；　which　the　two　gardeners　witness。　At　5　o'clock；　Dorcas　finds　her　mistress　in　a　state　of　considerable　agitation；　with　a　slip　of　paper　　‘a　letter；'　Dorcas　thinks　　in　her　hand；　and　it　is　then　that　she　orders　the　fire　in　her　room　to　be　lighted。　Presumably；　then；　between　4。30　and　5　o'clock；　something　has　occurred　to　occasion　a　plete　revolution　of　feeling；　since　she　is　now　as　anxious　to　destroy　the　will；　as　she　was　before　to　make　it。　What　was　that　something？　
　‘‘As　far　as　we　know；　she　was　quite　alone　during　that　half…hour。　Nobody　entered　or　left　that　boudoir。　What　then　occasioned　this　sudden　change　of　sentiment？　
　‘‘One　can　only　guess；　but　I　believe　my　guess　to　be　correct。　Mrs。　Inglethorp　had　no　stamps　in　her　desk。　We　know　this；　because　later　she　asked　Dorcas　to　bring　her　some。　Now　in　the　opposite　corner　of　the　room　stood　her　husband's　desk　　locked。　She　was　anxious　to　find　some　stamps；　and；　according　to　my　theory；　she　tried　her　own　keys　in　the　desk。　That　one　of　them　fitted　I　know。　She　therefore　opened　the　desk；　and　in　searching　for　the　stamps　she　came　across　something　else　　that　slip　of　paper　which　Dorcas　saw　in　her　hand；　and　which　assuredly　was　never　meant　for　Mrs。　Inglethorp's　eyes。　On　the　other　hand；　Mrs。　Cavendish　believed　that　the　slip　of　paper　to　which　her　mother…in…law　clung　so　tenaciously　was　a　written　proof　of　her　own　husband's　infidelity。　She　demanded　it　from　Mrs。　Inglethorp　who　assured　her；　quite　truly；　that　it　had　nothing　to　do　with　that　matter。　Mrs。　Cavendish　did　not　believe　her。　She　thought　that　Mrs。　Inglethorp　was　shielding　her　stepson。　Now　Mrs。　Cavendish　is　a　very　resolute　woman；　and；　behind　her　mask　of　reserve；　she　was　madly　jealous　of　her　husband。　She　determined　to　get　hold　of　that　paper　at　all　costs；　and　in　this　resolution　chance　came　to　her　aid。　She　happened　to　pick　up　the　key　of　Mrs。　Inglethorp's　despatch…case；　which　had　been　lost　that　morning。　She　knew　that　her　mother…in…law　invariably　kept　all　important　papers　in　this　particular　case。　
　‘‘Mrs。　Cavendish；　therefore；　made　her　plans　as　only　a　woman　driven　desperate　through　jealousy　could　have　done。　Some　time　in　the　evening　she　unbolted　the　door　leading　into　Mademoiselle　Cynthia's　room。　Possibly　she　applied　oil　to　the　hinges；　for　I　found　that　it　opened　quite　noiselessly　when　I　tried　it。　She　put　off　her　project　until　the　early　hours　of　the　morning　as　being　safer；　since　the　servants　were　accustomed　to　hearing　her　move　about　her　room　at　that　time。　She　dressed　pletely　in　her　land　kit；　and　made　her　way　quietly　through　Mademoiselle　Cynthia's　room　into　that　of　Mrs。　Inglethorp。''　
　He　paused　a　moment；　and　Cynthia　interrupted：　
　‘‘But　I　should　have　woken　up　if　anyone　had　e　through　my　room？''　
　‘‘Not　if　you　were　drugged；　mademoiselle。''　
　‘‘Drugged？''　
　‘‘Mais；　oui！''　
　‘‘You　remember''　　he　addressed　us　collectively　again　　‘‘that　through　all　the　tumult　and　noise　next　door　Mademoiselle　Cynthia　slept。　That　admitted　of　two　possibilities。　Either　her　sleep　was　feigned　　which　I　did　not　believe　　or　her　unconsciousness　was　indeed　by　artificial　means。　
　‘‘With　this　latter　idea　in　my　mind；　I　examined　all　the　coffee…cups　most　carefully；　remembering　that　it　was　Mrs。　Cavendish　who　had　brought　Mademoiselle　Cynthia　her　coffee　the　night　before。　I　took　a　sample　from　each　cup；　and　had　them　analysed　　with　no　result。　I　had　counted　the　cups　carefully；　in　the　event　of　one　having　been　removed。　Six　persons　had　taken　coffee；　and　six　cups　were　duly　found。　I　had　to　confess　myself　mistaken。　
　‘‘Then　I　discovered　that　I　had　been　guilty　of　a　very　grave　oversight。　Coffee　had　been　brought　in　for　seven　persons；　not　six；　for　Dr。　Bauerstein　had　been　there　that　evening。　This　changed　the　face　of　the　whole　affair；　for　there　was　now　one　cup　missing。　The　servants　noticed　nothing；　since　Annie；　the　housemaid；　who　took　in　the　coffee；　brought　in　seven　cups；　not　knowing　that　Mr。　Inglethorp　never　drank　it；　whereas　Dorcas；　who　cleared　them　away　the　following　morning；　found　six　as　usual　　or　strictly　speaking　she　found　five；　the　sixth　being　the　one　found　broken　in　Mrs。　Inglethorp's　room。　
　‘‘I　was　confident　that　the　missing　cup　was　that　of　Mademoiselle　Cynthia。　I　had　an　additional　reason　for　that　belief　in　the　fact　that　all　the　cups　found　contained　sugar；　which　Mademoiselle　Cynthia　never　took　in　her　coffee。　My　attention　was　attracted　by　the　story　of　Annie　about　some　‘salt'　on　the　tray　of　coco　which　she　took　every　night　to　Mrs。　Inglethorp's　room。　I　accordingly　secured　a　sample　of　that　coco；　and　sent　it　to　be　analysed。''　
　‘‘But　that　had　already　been　done　by　Dr。　Bauerstein；''　said　Lawrence　quickly。　
　‘‘Not　exactly。　The　analyst　was　asked　by　him　to　report　whether　strychnine　was；　or　was　not；　present。　He　did　not　have　it　tested；　as　I　did；　for　a　narcotic。''　
　‘‘For　a　narcotic？''　
　‘‘Yes。　Here　is　the　analyst's　report。　Mrs。　Cavendish　administered　a　safe；　but　effectual；　narcotic　to　both　Mrs。　Inglethorp　and　Mademoiselle　Cynthia。　And　it　is　possible　that　she　had　a　mauvais　quart　d'heure　in　consequence！　Imagine　her　feelings　when　her　mother…in…law　is　suddenly　taken　ill　and　dies；　and　immediately　after　she　hears　the　word　‘Poison'！　She　has　believed　that　the　sleeping　draught　she　administered　was　perfectly　harmless；　but　there　is　no　doubt　that　for　one　terrible　moment　she　must　have　feared　that　Mrs。　Inglethorp's　death　lay　at　her　door。　She　is　seized　with　panic；　and　under　its　influence　she　hurries　downstairs；　and　quickly　drops　the　coffee…cup　and　saucer　used　by　Mademoiselle　Cynthia　into　a　large　brass　vase；　where　it　is　discovered　later　by　Monsieur　Lawrence。　The　remains　of　the　coco　she　dare　not　touch。　Too　many　eyes　are　upon　her。　Guess　at　her　relief　when　strychnine　is　mentioned；　and　she　discovers　that　after　all　the　tragedy　is　not　her　doing。　
　‘‘We　are　now　able　to　account　for　the　symptoms　of　strychnine　poisoning　being　so　long　in　making　their　appearance。　A　narcotic　taken　with　strychnine　will　delay　the　action　of　the　poison　for　some　hours。''　
　Poirot　paused。　Mary　looked　up　at　him；　the　colour　slowly　rising　in　her　face。　
　‘‘All　you　have　said　is　quite　true；　Monsieur　Poirot。　It　was　the　most　awful　hour　of　my　life。　I　shall　never　forget　it。　But　you　are　wonderful。　I　understand　now　　　''　
　‘‘What　I　meant　when　I　told　you　that　you　could　safely　confess　to　Papa　Poirot；　eh？　But　you　would　not　trust　me。''　
　‘‘I　see　everything　now；''　said　Lawrence。　‘‘The　drugged　coco；　taken　on　top　of　the　poisoned　coffee；　amply　accounts　for　the　delay。''　
　‘‘Exactly。　But　was　the　coffee　poisoned；　or　was　it　not？　We　e　to　a　little　difficulty　here；　since　Mrs。　Inglethorp　never　drank　it。''　
　‘‘What？''　The　cry　of　surprise　was　universal。　
　‘‘No。　You　will　remember　my　speaking　of　a　stain　on　the　carpet　in　Mrs。　Inglethorp's　room？　There　were　some　peculiar　points　about　that　stain。　It　was　still　damp；　it　exhaled　a　strong　odour　of　coffee；　and　imbedded　in　the　nap　of　th