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1969. Studies on the genus Leptodactylus (Amphibia, Leptodactyl- 

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1970. Studies on the frogs of the genus Leptodactylus (Amphibia: 

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1972. The status of Leptodactylus pumilio Boulenger (Amphibia, 

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1973. Systematics of the marmoratus group of the frog genus Lep- 

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1974a. Vanzolinius , a new genus proposed for Leptodactylus dis- 

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1974b. The karyotype of Vanzolinius discodactylus and comments 

 on usefulness of karyotypes in determining relationships in 

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1974c. Relationships of the marmoratus species group (Amphibia, 

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1977. A discriminant function analysis of the frogs of the genus 

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1978. Systematics of the fuscus group of the frog genus Lepto- 

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1979. Systematics of the pentadactylus species group of the frog 

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HEYER, W.R. AND M.S. BELLIN 



1973. Ecological notes on five sympatric Leptodactylus (Amphib- 

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HEYER, W.R. AND K.A. BERVEN 



