17. BOKiiOKocaoTEs. 255 



above (with ^\•hilc murkiugs on the tlanks and limbs [Sell] ). Male 

 with an internal vocal sac. 

 Valdivia. 



«. d ■ \"akli\ ia. C. Darwin, E.^q. [P.]. (Type.) 



G. Borboroccetes bibronii. 



Cystignatluis Libroiiii, Gilnth. Cat. p. ol. 

 Borborocoetes bibronii, Bell, Zuol. Bcayle, Mept, p. o7, pi. 17. f. 1 ; 

 Guichen. in Gay, Chile, liepf. p. 105. 



Tongue snbcircnlar, entire. Yomerine teeth in two small group.s 

 behind the clioana\ Hnout rounded, a little longer than the greatest 

 orbital diameter ; nostril equally distant from the eye and the tip of 

 the snout ; intcrorbital space broader than the upper eyelid ; tym- 

 panum moderately distinct, hardly half the diameter of the eye. 

 Fingers moderate, first not extending Ijeyoud second ; toes moderate, 

 webbed at the base ; subarticular tuliercles not much developed ; 

 a small inner metatarsal tubercle. The hind hml^ being carried 

 forwards along the body, the tibio-tarsal articulation reaches the tip 

 of the snout. Skin smooth. Brownish above. 



Valdivia and Chiloc. 



«. 2 • Chonos. " C. Darwin, Esq. [I'.j. (Type.) 



7. Borborocoetes quixensis. 



Ureobates qiuxeusis, Espacht, An. Soc. Eap. i. p. ttU, and Via/'. Pucif., 

 VertcLr. p. 99, pi. -i. f. 5. 



Tongue subcircular, indistinctly nicked behind. Vomerine teeth 

 in two short straight scries behind the choana?. Snout rounded, 

 longer than the greatest orbital diameter ; nostril much nearer the 

 tip of the snout than the eye ; intcrorbital space as broad as the 

 ujiper eyelid; tympanum very distinct, two thirds the diameter of 

 the eye. Fingers moderate, first longer than second; toes moderate, 

 not fringed : subarticular tubercles very strong ; two very prominent 

 metatarsal tubercles. The hind limb Ijeing carried forwards along 

 the body, the tibio-tarsal articulation reaches between the eye and 

 the tip of the snout. Upper surfaces with closely-set tubercles and 

 small warts. Greyish above, indistinctly marbled witli darker; 

 upper lip M'ith vertical brown stripes : limbs cross-barred ; lower 

 surfaces marlihd with brown. Male without A'ocal sac. 



Ecuador. 



u-b. cJ 2 ■ Canelos. Mr. Buckley [0.1. 



c-(l. (^ . Sarayacu. Mr. Buckley [C], 



8. Borborocoetes periiauiis. 



I'liryuopus pi nanus, l\/crt>, ^f")l. L'crl. .U: 18";», p. 416, pi. 4. f. 2. 

 General ai)pcarancc of PahuUcohi mannorata, but with shorter 



