: ▁St ▁Catherine ▁of ▁S ien a ▁standing ▁on ▁the ▁left , ▁holding ▁a ▁cross ▁with ▁the ▁cru c ified ▁Christ . ▁St ▁Rose ▁of ▁Lima , ▁standing ▁on ▁the ▁right , ▁holding ▁the ▁Christ ▁child , ▁who ▁is ▁holding ▁a ▁rose . ▁St ▁Ag nes ▁of ▁Monte p ul ci ano ▁( who ▁had ▁only ▁been ▁canon ised ▁in ▁ 1 7 2 6 ), ▁se ated ▁and ▁holding ▁a ▁small ▁cross . ▁ ▁Se ated ▁behind ▁and ▁above ▁the ▁three ▁sain ts ▁is ▁the ▁Madonna , ▁seem ing ▁det ached ▁from ▁and ▁un not iced ▁by ▁them . ▁ ▁Second ▁alt ar ▁on ▁right ▁The ▁second ▁alt ar ▁on ▁the ▁right ▁be ars ▁a ▁sculpt ure ▁of ▁ang els ▁car ved ▁in ▁mar ble ▁by ▁Giovanni ▁Maria ▁Mor la iter ▁( the ▁first ▁work ▁he ▁executed ▁for ▁the ▁church ▁- ▁ 1 7 3 9 ) ▁surrounding ▁a ▁small ▁half - length ▁painting ▁of ▁St ▁Domin ic ▁( 1 7 4 3 ) ▁by ▁Gi amb att ista ▁Pia z zet ta . ▁ ▁Third ▁alt ar ▁on ▁right ▁A bove ▁the ▁third ▁alt ar ▁is ▁an ▁oil ▁on ▁canvas ▁dep iction ▁of ▁three ▁male ▁Domin ican ▁sain ts , ▁by ▁Gi amb att ista ▁Pia z zet ta , ▁a ▁topic ▁chosen ▁by ▁the ▁Domin icans ▁to ▁illustrate ▁the ▁mission ary ▁activities ▁of ▁their ▁order . ▁ ▁Despite ▁the ▁rich ▁Roc oco ▁treatment ▁of ▁the ▁subject , ▁Michael ▁Le vey ▁writes ▁that ▁the ▁" real ▁triumph ▁of ▁the ▁painting ▁is