00887nam0-22003251i-450-99000203749040332120021010000203749FED01000203749(Aleph)000203749FED0100020374920021010d--------km-y0itay50------baita<<The >>blowflies of North AmericaDavid G. Halls.l.Thomas Say Foundation1948477 p. 46 tv.22 cmDitteriDiptera, SarcophagaDiptera SarcophaginaeDiptera, Calliphoridae595.77Hall,David G.86645ITUNINARICAUNIMARCBK99000203749040332161 V C.7/0824424 (6/5/78)DAGENDAGENBlowflies of North America407336UNINAING01