butthentheycouldnotswim，andwouldnothavetosavethemselves。
TheLaChine’stocomeyet，“theyexulted，“andthat’stheawfullestofall！“
TheypassedtheLakeSt。Louis；theLaChin；rapidsflashedintosight。
Thecaptainroseupfromhisseat，tookhispipefromhismouth，andwavedasilencewithit。“Ladiesandgentlemen，“saidhe，“it’sveryimportantinpassingtheserapidstokeeptheboatperfectlytrim。
Pleasetoremainjustasyouare。“