66 
Psyche 
[March 
ACKNOWLEDGEMENTS 
We thank the following for supplying living Pycnoscelus : Dr. M. 
J. Mackerras (Australia), Dr. S. Kadarsan (Indonesia), Mr. Clyde 
Stephens (Panama), and Mr. Marc Roth (Jamaica). 
The Thailand specimens were collected by L. M. Roth and Mr. 
Noel Kobayashi during a 6-week collecting trip in connection with 
Project TREND (TRopical ENvironmental Data) for ARPA 
(Advanced Research Projects Agency). We thank the Applied 
Scientific Research Corporation of Thailand for the use of their 
facilities. The Brazilian specimens were collected by L. M. Roth 
during Phase C of the Alpha Helix Expedition to the Amazon; we 
are grateful to the National Science Foundation for support on the 
Amazon Expedition under grant NSF-GB-5916. 
We are indebted to Dr. M. J. D. White, Dr. Guy Bush, Dr. M. 
Narbel-Hofstetter and Dr. W. Prensky for their helpful suggestions. 
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