Mo. 4—In thin tscercine. the muaclos of the front of the body. fcarliculnrly the ubdomon. are boina rontracted uigoroualy. Evcry one w bo <looa thia cxercise vieoroualy. should do lwico aa many in which the muaeles of the bark are eon tracted: the over-deve!opmentof themusclesof the front o* the budy trnda to make theindiridual round ahouldcrcd and fiat che.:'.ed.