CONTENTS OF THIS NUMBER. 



PouLTON, E. B. — Mimicry in the Butterflies of North 



America 203 



TowNSEND, C. H. T. — Descriptions of Some New Tachinidae 243 



CocKERELL, T. D. A. — Ncw Fossil Insects from Florissant, 



Colorado 251 



McGiLLiVRAY, A. D. — A Synopsis of the American Species of 



Scolioneurinae 259 



Hambleton, J. C. — Life History of Corizus lateralis Say. ... 272 



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