PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XXXV SEPTEMBER, 1928. No. 3 
TABLE OF CONTENTS. 
New Plastoceridse and a New Cebrio (Coleoptera) H. C. Fall 139 
Modification of the Nest-Building Habits of Polistes. Phil Rau 147 
The Reconstruction of Destroyed Nests by Polistes Wasps. Phil Rau. . 151 
Trophallaxis in Polistes pallipes. Phil Rau 153 
A New Species of Coniceromyia from Cuba (Diptera; Phoridse). 
C.T.Brues... 157 
Some Cuban Phoridse which Visit the Flowers of Aristolochia Elegans.. 
C. T. Brues 160 
A New Species of Thaumatomyrmex from Cuba. W. S. Creighton 162 
Some Cordia and Triplaris Insects. W. M. Wheeler 167 
I. A New Bolivian Silvanid Beetle from the Myrmecodomatia of Cordia. 
H.S. Barber 167 
II. A New Microdon from Panama. W. M. Mann 168 
III. Bees Colk ited by Dr. W. M. Wheeler at Flowers of Triplaris. T. 
D. A. Cockerell . 170 
Bees Collected by Nathan Banks in the Vicinity of the Panama Canal. 
T. D. A. Cockerell 173 
Some Experiments on the Nervous Physiology of Dragon-fly Larvae. C. 
E. Abbott 182 
A New Protodonatan from the Grand Canyon. F. M. Carpenter ...... 186 
Some Cuban Cicadidse, Cercopidse and Membracidse. — A Correction. 
J.G.M^rs 190 
