E« LrST^ niclifficnd^ 



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PSYCHE 



A. JOURNAL OF ENTOMOLOGY 



Established in 1874 



VOL. XXV 



DECEIVIBER, 1918 



NUMBER 6 



CONTENTS. 



On the Structure and Function of the Proventriculus of Gryllus penn- 



sylvanicus Burm. E. M. DuPorte 117 



New Polydesmoid Diplopods from Tennessee and Mississippi. 



R. V. Chamberlin 122 



A Note on Limatus dwrAami Theobald (Diptera; Culicidae). C. S. Ludlow 127 



Notes on Closterocerus cinctipennis Ashm. in New Jersey (Hymenoptera) 



H. B. Weiss and A. S. Nicolay 128 



First Account of a Thermotropism in Anopheles punclipennis, with Bionomic 



Observations. Werner Marchand 130 



Exchange Column 136 



