Holotype.—No. 23626, 2 kilometers west of Jico (= Xico), Veracruz, México; Walter W. Dalquest; October 28, 1946.

Paratypes.—Nos. 23623-23625, 23627, data same as on holotype.

Note.—Taylor (1948:259) erroneously listed 23628 as a paratype of this species; the specimen bearing that number is a Heloderma suspectum. However, 23623 not listed by Taylor is a Hyla proboscidea; this specimen is noted as a paratype in the museum catalogue.

Hyla rivularis Taylor, Univ. Kansas Sci. Bull., 35:847, fig. 53, July 1, 1952.

Holotype.—No. 28197, Isla Bonita, Heredia Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; August 1, 1947.

Paratypes.—Nos. 28196 and 28198, data same as on holotype.

Hyla rufioculis Taylor, Univ. Kansas Sci. Bull., 35:827, fig. 47, July 1, 1952.

Holotype.—No. 28216, Isla Bonita, Heredia Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; July 28, 1947.

Paratypes.—Nos. 28204-28210, Morehouse Finca, 5 miles southwest of Turrialba, Cartago Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; July 14, 1947. Nos. 28211-28215, 28217-28222, same locality as holotype; Edward H. Taylor and Richard C. Taylor; July 22-August 3, 1947. Nos. 31072-31078, Moravia de Chirripó, Cartago Province, Costa Rica; Edward H. Taylor; August 16, 1951.

Hyla wellmanorum Taylor [= Smilisca wellmanorum (Taylor), according to Starrett (Copeia, 1960(4):303, 1960)], Univ. Kansas Sci. Bull., 35:843, fig. 52, July 1, 1952.