. Bulletin. Science; Natural history; Natural history. 1973 SYSTEMAT1CS OF THE COSTA KHAN GLASS-FROGS 1,7 Remarks: Calling males of this species were taken ai the type locality en three occasions, .Inly 17-18 and August 5, 1963 anil June I. 1964. The frogs were found on the upper sin- faces of leaves on low herbaceous hushes helween m above a shallow (5-7 cm deep) stream about m wide. A sonograph of the call is shown (Fig. 4). The type locality is in a Premonlane Rain- forest, following the classification of Holdridge (1967). along the Pacific slope of the Cordillera Costena thai sep
. Bulletin. Science; Natural history; Natural history. 1973 SYSTEMAT1CS OF THE COSTA KHAN GLASS-FROGS 1,7 Remarks: Calling males of this species were taken ai the type locality en three occasions, .Inly 17-18 and August 5, 1963 anil June I. 1964. The frogs were found on the upper sin- faces of leaves on low herbaceous hushes helween m above a shallow (5-7 cm deep) stream about m wide. A sonograph of the call is shown (Fig. 4). The type locality is in a Premonlane Rain- forest, following the classification of Holdridge (1967). along the Pacific slope of the Cordillera Costena thai separates the narrow coastal plain from the interior valley of the Rio General. This place, near the small village of Alfombra, is also the type locality for five other nominal taxa of reptiles and amphibians: Anolis humilis mar- supialis Taylor. 1956; Dermophis occidentalis Taylor, 1955; Dipsas tenuissima Taylor, 1954; II via legleri Taylor, 1958; and Neusticurus apo- demus Uzzell 1966. Although the Anolis and Dermophis are representatives of wide-ranging species {A. humilis and D. parviceps, respec- tively) the Hyla and Dipsas are valid species restricted in range to Pacific southwestern Costa Rica and adjacent extreme southwestern Panama. The Neusticurus and Centrolenella are not known to occur elsewhere. At the type locality Centrolenella vireovittata was found sympatrically with C. valerioi of the fleischmanni group. Centrolenella fleischmanni and C. colymbiphyllum are known from a nearby locality Quebrada Salto, km SW San Isidro de El General, near Palma on the road to Dominical. 750 m. on the interior slope of the Cordillera Costena. Centrolenella granulosa and C. prosoblepon of the prosoblepon group were also taken in virtual sympatry with C. vireo- vittata at the type locality. DISTRIBUTIONS Fleischmanni Group: The following lists include all Costa Rican locality records for the members of the fleischmanni group based upon material at the Uni- versity of Southern Cali
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