~_Centrolenella spinosa_~ Taylor [= _Teratohyla spinosa_ (Taylor), according to Taylor (Proc. Biol. Soc. Washington, 64:35, 1951)], Univ. Kansas Sci. Bull., 33:259, April 20, 1949. HOLOTYPE.--No. 23809, Los Diamantes, 1 kilometer east of Guápiles, Limón Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; September 7, 1947. PARATYPES.--Nos. 23810-23811, data same as on holotype. ~_Cochranella albomaculata_~ Taylor, Univ. Kansas Sci. Bull., 33:267, April 20, 1949. HOLOTYPE.--No. 23814, Los Diamantes, 1 kilometer east of Guápiles, Limón Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; September 7, 1947. ~_Cochranella chirripoi_~ Taylor, Univ. Kansas Sci. Bull., 39:59, fig. 10, November 18, 1958. HOLOTYPE.--No. 36865, Cocales Creek, Suretka, Limón Province, Costa Rica; Edward H. Taylor; June 29-30, 1954. PARATYPES.--Nos. 36862-36864, 36866-36870, data same as on holotype. ~_Cochranella colymbiphyllum_~ Taylor, Univ. Kansas Sci. Bull., 33:262, April 20, 1949. HOLOTYPE.--No. 23812, Isla Bonita, Heredia Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; July 29, 1947. ~_Cochranella decorata_~ Taylor, Univ. Kansas Sci. Bull., 39:50, fig. 6, November 18, 1958. HOLOTYPE.--No. 36896, Hacienda La Florencia, about 3 miles west of Turrialba, Cartago Province, Costa Rica; Jack Reark; November, 1952. PARATYPES.--Nos. 36883-36884, San José, San José Province, Costa Rica; Marco Tulio Pacheco; summer, 1954. NOTE.--The locality of the paratypes is not definite; Taylor presumed that they were from San José. See note under the following species. ~_Cochranella millepunctata_~ Taylor, Univ. Kansas Sci. Bull., 39:53, fig. 7, November 18, 1958. HOLOTYPE.--No. 36887, La Palma, San José Province, Costa Rica; Edward H. Taylor, June 20, 1954. PARATYPES.--No. 32943, Moravia de Chirripó, Cartago Province, Costa Rica; Edward H. Taylor; June 26, 1952. Nos. 36885-36886, 36888-36894, data same as holotype. No. 36897, Sarchi, Alajuela Province, Costa Rica; Robert Hunter; summer, 1954. NOTE.--Taylor (1958:53) erroneously listed 36883 and 36884 as paratypes of this species; on page 50 of the same publication he correctly designated these specimens as paratypes of _Cochranella decorata_. Also, Taylor (1958:53) erroneously listed 32943 as 23943. ~_Cochranella reticulata_~ Taylor, Univ. Kansas Sci. Bull., 39:61, fig. 11, November 18, 1958. HOLOTYPE.--No. 32922, Bridge across Río Reventazón, Inter-American Institute of Agriculture, Turrialba, Cartago Province, Costa Rica; Edward H. Taylor; August 1, 1952.