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PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XXXIII DECEMBER 1926. No. 6 
TABLE OF CONTENTS. 
Sequential Distribution of Formica exsectoides Forel. E. A. Andrews.. . . 127 
Color and Sex in the Indian Walking Stick, Dixippus morosus. 
A. J. Mangelsdorf 151 
Notes on the Behavior of Dineutes americanus. H. B. Smith 156 
On the Megachile of South Dakota. T. B. Mitchell 162 
A Species of Urocerus from Baltic Amber. C. T. Brues . 168 
Melemcea magdalena Hulst. T. D. A. Cockerell 170 
Professor Carlo Emery 171 
Benjamin Pickman Mann 172 
Index 175 
