LITERATURE CITED

Baldauf, R. J.

1955. Contributions to the cranial morphology of Bufo w. woodhousei Girard. Texas Jour. Sci., 7(3):275-311.

1958. A procedure for the staining and sectioning of the heads of adult anurans. Texas Jour. Sci., 10(4):448-451.

Duellman, W. E.

and

L. Trueb

1966. Neotropical hylid frogs, genus Smilisca. Univ. Kansas Publ., Mus. Nat. Hist., 17:281-375, pls. 1-12.

Trueb, L.