PROC. BIOL. SOC. WASH. 104(3), 1991, pp. 436-447 A NEW SPECIES OF FROG OF THE ELEUTHERODACTYLUS LACRIMOSUS ASSEMBLY FROM AMAZONIA, SOUTH AMERICA (AMPHIBIA: ANURA: LEPTODACTYLIDAE) W. Ronald Heyer and Laura M. Hardy Abstract. —Eleutherodactylus zimmermanae, new species, is described from the Amazon Basin of South America. Because of the biological and nomen-clatural complexity of frogs of the Eleutherodactylus lacrimosus assembly, a neotype is designated for Cyclocephalus lacrimosus Jimenez de la Espada, 1875. Barbara Zimmerman has studied the ecology of frogs as part of the Biological Dynamics of Forest Fragments Project ini-tiated by the Instituto Nacional de Pes-quisas da Amazonia (INPA) and the World Wildlife Fund (WWF). This project was originally named the Minimum Critical Size of Ecosystems Project and is now co-admin-instered by the Smithsonian Institution's (SI) National Museum of Natural History. Zim-merman has been involved with research on frogs at the study sites north of Manaus, Amazonas, Brazil, since almost the incep-tion of the project some ten years ago (for further information, see Zimmerman & Ro-drigues 1990). Zimmerman has collected three species oi Eleutherodactylus from the INPA-WWF-SI research sites. She has identified one of these as E.fenestratus, but was unable to identify the other two and referred to them as species "1" and "2" (Zimmerman & Rodrigues 1990). Material of the Eleutherodactylus fenestratus-guttur-alis complex from the INPA-WWF-SI sites seems to represent a single species that em-braces the throat patterns used to distin-guish gutturalis from fenestratus (Hoog-moed et al. 1977). Further study of all available materials of this complex is re-quired to determine which name properly applies to the species at the INPA-WWF-SI sites. The species Zimmerman referred to as "2" (Zimmerman & Rodrigues 1990) we identify as Eleutherodactylus ockendeni. The species she referred to as "1" is a new species allied to what Lynch & Schwartz (1971) and Lynch (1980) called Eleuthero-dactylus lacrimosus, which we describe as: Eleutherodactylus zimmermanae, new species Figs. 1, 2, 3 Holotype.-MZ\JS^ 64539, adult male from Brazil: Amazonas, Reservas INPA-WWF-SI, approximately 80 km N of Ma-naus, approximately 2°20'S, 59°50'W. Col-lected by Barbara Zimmerman, 7 Dec 1984. Paratopotypes.-INVK 1371, MZUSP 64535-38, 64540-41, USNM 304278-304279, collected by Barbara Zimmerman on 7 Dec 1984 (MZUSP 64535-38) and 17 Mar 1987 (remainder of paratopotypes). Methodological note.—ThQ morphologi-cal terminologies and definitions used here-in follow those detailed in Heyer et al. ( 1 990) in general and Savage (1987) for finger and toe tips. Diagnostic definition (scheme established by Lynch, e.g., 1979, of numbered character states followed here for ease of compari-son).— (1) Skin of upper surfaces generally smooth, that of venter coarsely areolate; (2) tympanum distinct, its horizontal diameter about ^3 eye diameter; (3) snout subelliptical with pointed tip in dorsal view, acute in
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