9。Menbecomeaffectedwiththestone，andareseizedwithdiseasesofthekidneys，strangury，sciatica，andbecomeruptured，whentheydrinkallsortsofwaters，andthosefromgreatriversintowhichotherrivuletsrun，orfromalakeintowhichmanystreamsofallsortsflow，andsuchasarebroughtfromaconsiderabledistance。Foritisimpossiblethatsuchwaterscanresembleoneanother，butonekindissweet，anothersaltishandaluminous，andsomeflowfromthermalsprings；andthesebeingallmixeduptogetherdisagree，andthestrongestpartalwaysprevails；butthesamekindisnotalwaysthestrongest，butsometimesoneandsometimesanother，accordingtothewinds，forthenorthwindimpartsstrengthtothiswater，andthesouthtothat，andsoalsowithregardtotheothers。Theremustbedepositsofmudandsandinthevesselsfromsuchwaters，andtheaforesaiddiseasesmustbeengenderedbythemwhendrunk，butwhynottoallIwillnowexplain。Whenthebowelsarelooseandinahealthystate，andwhenthebladderisnothot，northeneckofthebladderverycontracted，allsuchpersonspasswaterfreely，andnoconcretionformsinthebladder；butthoseinwhomthebellyishot，thebladdermustbeinthesamecondition；andwhenpreternaturallyheated，itsneckbecomesinflamed；andwhenthesethingshappen，thebladderdoesnotexpeltheurine，butraisesitsheatexcessively。Andthethinnestpartofitissecreted，andthepurestpartispassedoffintheformofurine，butthethickestandmostturbidpartiscondensedandconcreted，atfirstinsmallquantity，butafterwardsingreater；forbeingrolledaboutintheurine，whateverisofathickconsistenceitassimilatestoitself，andthusitincreasesandbecomesindurated。Andwhensuchpersonsmakewater，thestoneforceddownbytheurinefallsintotheneckofthebladderandstopstheurine，andoccasionsintensepain；sothatcalculouschildrenrubtheirprivypartsandtearatthem，assupposingthattheobstructiontotheurineissituatedthere。AsaproofthatitisasIsay，personsaffectedwithcalculushaveverylimpidurine，becausethethickestandfoulestpartremainsandisconcreted。Thusitgenerallyisincasesofcalculus。Itformsalsoinchildrenfrommilk，whenitisnotwholesome，butveryhotandbilious，foritheatsthebowelsandbladder，sothattheurinebeingalsoheatedundergoesthesamechange。AndIholdthatitisbettertogivechildrenonlythemostdilutedwine，forsuchwillleastburnupanddrytheveins。Calculidonotformsoreadilyinwomen，forinthemtheurethraisshortandwide，sothatinthemtheurineiseasilyexpelled；neitherdotheyrubthepudendumwiththeirhands，norhandlethepassagelikemales；fortheurethrainwomenopensdirectintothepudendum，whichisnotthecasewithmen，neitherinthemistheurethrasowide，andtheydrinkmorethanchildrendo。Thus，ornearlyso，isitwithregardtothem。
　　10。Andrespectingtheseasons，onemayjudgewhethertheyearwillprovesicklyorhealthyfromthefollowingobservations:-Iftheappearancesconnectedwiththerisingandsettingstarsbeastheyshouldbe；ifthereberainsinautumn；ifthewinterbemild，neitherverytepidnorunseasonablycold，andifinspringtherainsbeseasonable，andsoalsoinsummer，theyearislikelytoprovehealthy。Butifthewinterbedryandnortherly，andthespringshoweryandsoutherly，thesummerwillnecessarilybeofafebrilecharacter，andgiverisetoophthalmiesanddysenteries。Forwhensuffocatingheatsetsinallofasudden，whiletheearthismoistenedbythevernalshowers，andbythesouthwind，theheatisnecessarilydoubledfromtheearth，whichisthussoakedbyrainandheatedbyaburningsun，while，atthesametime，men'sbelliesarenotinanorderlystate，northebrainproperlydried；foritisimpossible，aftersuchaspring，butthatthebodyanditsfleshmustbeloadedwithhumors，sothatveryacutefeverswillattackall，butespeciallythoseofaphlegmaticconstitution。Dysenteriesarealsolikelytooccurtowomenandthoseofaveryhumidtemperament。
　　AndifattherisingoftheDogstarrainandwinterystormssupervene，andiftheetesianwindsblow，thereisreasontohopethatthesediseaseswillcease，andthattheautumnwillbehealthy；butifnot，itislikelytobeafatalseasontochildrenandwomen，butleastofalltooldmen；andthatconvalescentswillpassintoquartans，andfromquartansintodropsies；butifthewinterbesoutherly，showeryandmild，butthespringnortherly，dry，andofawintrycharacter，inthefirstplacewomenwhohappentobewithchild，andwhoseaccouchementshouldtakeplaceinspring，areapttomiscarry；andsuchasbringforth，havefeebleandsicklychildren，sothattheyeitherdiepresentlyoraretender，feeble，andsickly，iftheylive。Suchisthecasewiththewomen。Theothersaresubjecttodysenteriesanddryophthalmies，andsomehavecatarrhsbeginningintheheadanddescendingtothelungs。Menofaphlegmatictemperamentarelikelytohavedysenteries；andwomen，also，fromthehumidityoftheirnature，thephlegmdescendingdownwardsfromthebrain；thosewhoarebilious，too，havedryophthalmiesfromtheheatanddrynessoftheirflesh；theaged，too，havecatarrhsfromtheirflabbinessandmeltingoftheveins，sothatsomeofthemdiesuddenlyandsomebecomeparalyticontherightsideortheleft。
　　Forwhen，thewinterbeingsoutherlyandthebodyhot，thebloodandveinsarenotproperlyconstringed；aspringthatisnortherly，dry，andcold，havingcomeon，thebrainwhenitshouldhavebeenexpandedandpurged，bythecoryzaandhoarsenessisthenconstringedandcontracted，sothatthesummerandtheheatoccurringsuddenly，andachangesupervening，thesediseasesfallout。
　　Andsuchcitiesasliewelltothesunandwinds，andusegoodwaters，feelthesechangesless，butsuchasusemarshyandpoolywaters，andliewellbothasregardsthewindsandthesun，theseallfeelitmore。Andifthesummerbedry，thosediseasessooncease，butifrainy，theyareprotracted；andthereisdangerofanysorethatthereisbecomingphagedenicfromanycause；andlienteriesanddropsiessuperveneattheconclusionofdiseases；forthebowelsarenotreadilydriedup。Andifthesummerberainyandsoutherly，andnexttheautumn，thewintermust，ofnecessity，besickly，andardentfeversarelikelytoattackthosethatarephlegmatic，andmoreelderlythanfortyyears，andpleurisiesandperipneumoniesthosethatarebilious。Butifthesummerisparchedandnortherly，buttheautumnrainyandsoutherly，headacheandsphacelusofthebrainarelikelytooccur；andinadditionhoarseness，coryza，coughs，andinsomecases，consumption。Butiftheseasonisnortherlyandwithoutwater，therebeingnorain，neitheraftertheDogstarnorArcturus；
　　thisstateagreesbestwiththosewhoarenaturallyphlegmatic，withthosewhoareofahumidtemperament，andwithwomen；butitismostinimicaltothebilious；fortheybecomemuchparchedup，andophthalmiesofadrynaturesupervene，feversbothacuteandchronic，andinsomecasesmelancholy；forthemosthumidandwaterypartofthebilebeingconsumed，thethickestandmostacridportionisleft，andofthebloodlikewise，whenthesediseasescameuponthem。Butallthesearebeneficialtothephlegmatic，fortheyaretherebydriedup，andreachwinternotoppressedwithhumors，butwiththemdriedup。
　　11。Whoeverstudiesandobservesthesethingsmaybeabletoforeseemostoftheeffectswhichwillresultfromthechangesoftheseasons；
　　andoneoughttobeparticularlyguardedduringthegreatestchangesoftheseasons，andneitherwillinglygivemedicines，norapplythecauterytothebelly，normakeincisionsthereuntiltenormoredaysbepast。Now，thegreatestandmostdangerousarethetwosolstices，andespeciallythesummer，andalsothetwoequinoxes，butespeciallytheautumnal。Oneoughtalsotobeguardedabouttherisingofthestars，especiallyoftheDogstar，thenofArcturus，andthenthesettingofthePleiades；fordiseasesareespeciallyapttoprovecriticalinthosedays，andsomeprovefatal，somepassoff，andallotherschangetoanotherformandanotherconstitution。
　　Soitiswithregardtothem。