00564nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082001900076100001900095245004200114260005400156300002500210440001700235500009500252650003500347Para_3272CHAP220125s1916    xx            000 0 und d  a201760  cCHAP  aPA-C 595.77 D5  aMetcalf, C. L.  aSyrphidae of Maine  /c C. L. Metcalf  aOrono, Maine  :b Agricultural Experiment Station  ap. 192-264 + láms.  aDíptera; 5  aEncuadernado con: Notes on american two-winged flies of the family sapromyzidae/by Malloch  aDípteros  Syrphidae x Maine