Parotoid Secretions of Bufo blombergi and B. peltocephalus

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Abstract
Dried parotid secretions of B. peltocephalus and B. blombergi were studied for the presence of substances known to occur in secretions of other toads. Catecholamines and indolethylamine derivatives were found in both samples, more in B. peltocephalus than in B. blombergi. Cholesterol was also detected in both species. The digitalis-like substances of B. peltocephalus were more potent in cats than those of B. blombergi.