. Bonner zoologische Monographien. Zoology. 114 dimoqjhic in size; cranial crests absent; body robust; limbs moderately long; skin of venter smooth; dorsolateral folds present; vomerine odontophores oval; males with vocal slits and large vocal sac; "E" condition of the trigeminal nerve (sensu Lynch 1986b); tympanic membrane present; canthus rostralis sharp; discs on fin- gers and toes broad; finger I slightly longer than finger II; toe V slightly shorter or equal the length of toe III, not reaching distal subarticular tubercle of toe IV; no webbing on toes; no tubercles or folds on h
. Bonner zoologische Monographien. Zoology. 114 dimoqjhic in size; cranial crests absent; body robust; limbs moderately long; skin of venter smooth; dorsolateral folds present; vomerine odontophores oval; males with vocal slits and large vocal sac; "E" condition of the trigeminal nerve (sensu Lynch 1986b); tympanic membrane present; canthus rostralis sharp; discs on fin- gers and toes broad; finger I slightly longer than finger II; toe V slightly shorter or equal the length of toe III, not reaching distal subarticular tubercle of toe IV; no webbing on toes; no tubercles or folds on heel or tarsus. A fourth species of the group, more similar to E. fraudator, was already discov- ered in the Yungas de La Paz region (M. Harvey in litt.). Also E. mercedesae shares some characters with the E. fraiidator group and is possibly related to it. However, further investigations are needed to throw light on the relationships of this rare Bolivian species (see Köhler 2000a). Eleutherodactyhis cruralis (Boulenger, 1902) Plate IVd, p. 112 Distribution: The species is known to occur at the eastern Andean slopes and Andean foothills from central Peru (Rodriguez et al. 1993) to the Departamento Santa Cruz, Bolivia, from 200-2000 m The type locality "La Paz, 4000 m" most probably is in error (Lynch 1989, De la Riva 1990a, 1993b). Frequency (kHz). 1000 ms. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig
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