E V I O R A Miiseiiim of Coimparative Zoology Cambridge, Mass. February 8, 1952 Number 1 A NEW PANAMANIAN TREE FROG By Edward H. Taylor Department of Zoology, rriiversity of Kansas, Lawrence, Kansas While studying ( "entral American frogs in the Museum of ( "om-parative Zoology, Harvard College, a small, presumably undescribed frog was noted, and Mr. Arthur Loveridge, with his characteristic kindness, suggested that I study the form and describe it if it proved new. The most characteristic of the differential features of this di-minutive frog is the very considerable enlargement of the horny spines on the nuptial swelling of the first finger. It is presumed that it is a rivulet species, living in the neighborhood of small streams, rather than a bromeliad species. After my study of the specimen and comparison with other known species of southern ( "entral America, I conclude that the species is new and I present herewith its description. HyLA SHREVEl Sp. nOV. Tiipr. M.C.Z. No. 2(i7()9 cf . La Loma, Chiriquicito, Republica de Panama; K. R. Dunn and ('. Duryea, collectors. Diagnoftis. \ diminutive frog (25.2 mm.) with a br(nid, rather flat head ; skin smooth ; outer fingers with a trace of web, and well-developed discs; canthus rostralis wanting; nostrils nearly terminal; tympanum large directed strongly upward, its diameter at least half of eye length;
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