Pom Daniel I). Mauror, Yci - , the indefatigable indefatigable Real Estate agent, is doing an extensive business, in the way of selling large houses. He seems to be very successful. successful. On Saturday h sold the "Richards House," lately purchased by Mr. Samuel Kauffman, to Peter Barbey, Esq., the will nonn proprietor of Columbia Brewery, of this ciy, for eleven thousand five hundred dollars. We call attention to Mr. Maurer's (aal of desirable properties,' in nnother col umn - , . i , '