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■'M: 



PSYCHE 



A JOURNAL OF ENTOMOLOGY 



Established in 1874 



VOL. XXVII OCTOBER, 1920 NUMBER 5 



CONTENTS 



Synopsis of the Dipterous Family Psilidse. A. L. Melander 91 



On Certain Species of Haltica, Old and New. H. C. Fall 101 



Descriptions of Some New Tropical Pachygastrinae. C. W. Johnston . . . 112 



Notes on the Lines of Descent of Lower Winged Insects. O. C. Crampton . . 116 



Proceedings of the Cambridge Entomological Club 127 



Book Review 129 



Exchange Column 130 



