SEP 7 1990 OCCASIONAL PAPERS m m HARVARD of the MUSEUM OF NATURAL HISTORY The University of Kansas Lawrence, Kansas NUMBER 138, PAGES 1-7 6 SEPTEMBER 1990 A NEW SPECIES OF LEPTODACTYLID FROG, GENUS ISCHNOCNEMA, FROM PERU William E. Duellman 1 Frogs of the telmatobiine leptodactylid genuslschnocnema are characterized by narrow digital tips, toes without webbing, large conical subarticular tubercles, and the first finger longer than the second. These frogs are terrestrial inhabitants of humid forests in southeastern Brazil (/. verrucosa [Reinhardt and LiitkenJ) and the upper Amazon Basin in southern Colombia, extreme western Brazil, Ecuador, and Peru (/. quixensis [Jimenez de la Espada] ) (Lynch, 1972; Duellman, 1978). Lynch (1974) named a third species, /. simmonsi, from the forested slopes (1830 m) of the Cordillera del Condor in southern Ecuador. Recent collections of amphibians from the complex system of ranges extending eastward from the northern part of the Cordillera Central in northern Peru contain specimens of an undescribed species of 1 schnocnema, which herein is named: Ischnocnema saxatilis, new species Holotype. — KU (Museum of Natural History, The University of Kansas) 212556, an adult female from the Ponga de Shilcayo, about 4 km NNW of Tarapoto, 470 m (6°31'S,76°53'W), Provinciade San Martin, Departamento de San Martin, Peru, obtained on 7 February 1989 by John J. Wiens. 'Curator, Division of Herpetology, Museum of Natural History, and Professor, Department of Systematics and Ecology, The University of Kansas, Lawrence, Kansas 66045-2454.
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