A NEW TREE TOAD FROM COSTA RICA. 



P>v Leonhaki) Stio-inkokr, 



Curattir, Divixlun (if liejitJIcH antl HdtnuiiiatiH. 



Some time iu^o tho United States National Museum a<'(|uirefl a small 

 but well-preserved collection of ))atracliians made in Costa Rica by 

 Messrs. Hurjrdorf and Schild. Among several interesting species there 

 is a new //y/a which it is desirable to place on record now. 



HYLA PHLEBODES, new species. 



DiagnonU. Skin of liead not involved in cranial o.ssili cation; choarue 

 moderate; vomerine t(M;th in two small groups, on a level with the 

 posterior (Klge of th(; choana'; outer fingers one-fourth webbed; tym- 

 panum one-third the diameter of the eye; tibio-tarsal articulation 

 reaching the tip of snout; no tarsal fold; a distinct inner metatarsal 

 tul)ercle. 



Ilahltat. — Costa Rica. 



JyjPd.— Cat. No. 29970, U.S.N.M.; San Carlos, Costa Rica; Burg- 

 dorf and Schild, collectoi's, 



J)escr!.pti(m of type. — Adult female: Tongue neai'ly circular, scarcely 

 emarginate behind; vomerine teeth in two very small groups on a 

 level with the posterior edge of the moderately large choana^, each 

 group consisting of about four teeth, the distance between the groups 

 equaling their diameter; head moderate, slightly broader than long; 

 snout short, shorter than diametei' of eye, slightly rounded, not pro- 

 jecting; canthus rostralis roundcKl; loreal region somewhat concave; 

 interorbital space broader than upper eye-lid; tympanum distinct, 

 about one-third the diameter of eye; outei- fingers one-fourth webbed, 

 im;3r with a rudiment of web at base only; no projecting pollex; toes 

 nearly fully webbed; disks of digits smaller than tympanum; subar- 

 ticular tubercles moderate; inner metatarsal tubercle distinct, a]K)ut 

 one-third the length of inner toe, outer one very indistinct; no tarsal 

 fold; tibio-tarsal articulation of hind limb carried forward reaches the 

 tip of snout; upper surface shagreened with scattered indistinct warts; 



Proceedings U. S. National Museum, Vol. XXX-No. 1471, 

 Proc. N. M. vol. .\xx— 00 52 



817 



