X0101 EFFECT 33 LIVE 2007-07-19 13:45:00

N-14

0000276463 BLACKROCK BOND FUND, INC. 333-143567 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050789 BLACKROCK SHARES 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050790 INSTITUTIONAL SHARES 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050791 INVESTOR A SHARES 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050792 INVESTOR B SHARES 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050793 INVESTOR C SHARES 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050794 R SHARES 0000276463 BLACKROCK BOND FUND, INC. S000004071 BlackRock Bond Fund 0001398078 BlackRock Funds II S000018374 BLACKROCK TOTAL RETURN PORTFOLIO C000050795 SERVICE SHARES