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M.  Seligman, Blechl, A., Blechl, J., Herman, P., and Fraenkel, G., ?Role of ecdysone, pupariation factors, and cyclic AMP in formation and tanning of the puparium of the fleshfly Sarcophaga bullata?, vol. 74, no. 10, pp. 4697 - 4701, Submitted.