. Bulletin. Science; Natural history; Natural history. NEW ELEUTHERODACTYLUS 55. Fig. 1. Distribution of frogs of the Eleutherodactylus rugulosus group in Honduras. elucidate the Honduran herpetofauna and helped in collecting the paratypes, and whose sobriquet is El anciano. Remarks.—The condition of having a single dextral vocal slit as found in the male holotype of this species seems to be an anomaly. Additional material prob- ably will prove that paired vocal slits are typical for the population since this is the condition in other members of the stock when the character is present. The spe
. Bulletin. Science; Natural history; Natural history. NEW ELEUTHERODACTYLUS 55. Fig. 1. Distribution of frogs of the Eleutherodactylus rugulosus group in Honduras. elucidate the Honduran herpetofauna and helped in collecting the paratypes, and whose sobriquet is El anciano. Remarks.—The condition of having a single dextral vocal slit as found in the male holotype of this species seems to be an anomaly. Additional material prob- ably will prove that paired vocal slits are typical for the population since this is the condition in other members of the stock when the character is present. The species is known from a single ridge (1770-1840 m) in the Cordillera de Celaque of southwestern Honduras (Fig. 1), very near to its boundary with El Salvador. Although E. rugulosus occurs at upland sites between 600-1370 m to the north in the Sierra Espiritu Santo and from 750-2000 m to the east of this site (Fig. 1), that species has not been collected in the vicinity of the Cordillera de Celaque or the adjacent Cordillera de Opalaca, even at lower elevations. Our decision to describe E. anciano involves a prediction that a distinctive allopatric montane population of the E. rugulosus group resembling the type series in sig- nificant features inhabits the Cordillera de Celaque and possibly the Cordillera de Opalaca as well. Natural history notes.—W\ specimens of this species were collected alongside a small stream between two severely deforested hillsides presently used for pas- turage. The original vegetation at the type-locality was of the Lower Montane Moist Forest formation of Holdridge (1967). Remnants of this vegetation occur on isolated hilltops in the area. The male holotype and one female paratype were collected during the day, the remaining specimens were found at night along the banks of or on rocks in the stream. The species is uncommon at the type-locality inasmuch as 6 nights of collecting in 3 different years produced only 6 specimens. Other streams in the area
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