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| 1952. | The frogs and toads of Costa Rica. Univ. Kansas Sci. Bull., 35:577-942. July 1. |
| 1958. | Additions to the known herpetological fauna of Costa Rica, with comments on other species. No. III. Univ. Kansas Sci. Bull., 34:3-40. November 18. |
Vivo Escoto, J. A.
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Transmitted February 7, 1969.