PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
Vol. 56 December, 1949 No. 4 
TABLE OF CONTENTS 
New Species of Mecoptera from Northwest China. F. Y. Cheng 139 
Seventy-fifth Anniversary of the Cambridge Entomological Club 174 
Acanthepeira venusta (Banks) (Arane®» E. B. Brya7it 175 
Further Description of Polyplax alaskensis Ewirig (Anoplura). W. B. 
Quay 
A New African Milliped Observed in Migration. B. V. Chamberlin 184 
Some American Saldidse (Hemiptera). C. J. Brake 187 
Index to Volume 56 195 
