Males lacking vocal slits; dorsum flecked, spotted, or blotched; diameter of tympanum in male about three-fourths that of eye _S. longipes_ 4. First finger longer than second 5 First finger shorter than or equal to second 7 5. Venter smooth; dorsum spotted or vermiculate _S. leprus_ Venter areolate, or if smooth, dorsum flecked and interorbital bar lacking 6 6. Venter areolate; interorbital bar present; ground color yellowish _S. cystignathoides cystignathoides_ Venter smooth; interorbital bar absent; ground color brown _S. cystignathoides campi_ 7. First finger shorter than second; digital tips only slightly dilated; green in life with darker green spots _S. verrucipes_ First finger equal to second; digital tips slightly to moderately expanded 8 8. Dorsum vermiculate; interorbital bar present; ground color cream to brown in life _S. guttilatus_ Dorsum punctate or flecked; interorbital bar absent; ground color green in life _S. marnockii_ 9. Dorsum dark with pale (red in life) spots; digital pads not expanded _S. rubrimaculatus_ Dorsum pale with dark markings and digital pads slightly to widely expanded 10 10. Digital tips not widely expanded; tympanum well-defined; outer metatarsal tubercle more than one-half size of inner 11 Digital tips widely expanded, truncate in outline; tympanum poorly defined; outer metatarsal tubercle less than one-half size of inner 12 11. Dorsum dark brown with large light spots or blotches; tympanum/eye ratio usually greater than 43 percent _S. pipilans pipilans_ Dorsum dark brown with small light spots; tympanum/eye ratio less than 48 percent _S. pipilans nebulosus_ 12. Light interorbital bar present 13 Light interorbital bar absent 14 13. Adults small, less than 22 mm. snout-vent length with a broad mid-dorsal stripe; dark bands on shank narrower than light interspaces _S. nivocolimae_ Adults larger, more than 22 mm. snout-vent length; dorsum vermiculate; dark bands on shank broader than light interspaces _S. interorbitalis_