254 CYSTIGNATHID^. 



along the body, the tarso-metatarsal articulation reaches the tip of 

 the snout. Skin of upper surfaces glandular and porous, with small 

 tubercles and more or less interrupted longitudinal glandular folds. 

 Brown above, speckled with white on the sides and limbs. 

 Chili. 



4. Borborocoetes tseniatiis. 



C^'stignatlius tteniatus, Gilnth, Cat. p. 29. 

 Cystignathus tfeuiatiis, Giranl, Proc. Ac. Philad. 1854, p. 226, and 

 U.S. Naval Astr. Riped. ii. p. 207, pi. 34. f. 8-11 ; Cunninffh. 

 Trans. Linn. Soc. xxvii. p. 467. 



Tongue subcircnlar, slightly nicked behind. Vomerine teeth in 

 two small groups between the choanoe. Snout rounded, longer than 

 the greatest orbital diameter ; nostril a little nearer the tij) of the 

 snout than the eye ; interorbital space broader than the upper 

 eyelid ; tympanum indistinct. Fingers long, slender, tirst shorter 

 than second : toes long, slender, webbed at the base ; tips of fingers 

 and toes slightly swollen : subarticular tubercles small ; two small 

 metatarsal tubercles. The hind limb being carried forwards along 

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

 the tip of the snout. Skin smooth, or with slight, indistinct, longi- 

 tudinal folds. Greenish, grey, or brown above, minutely speckled 

 with dark brown ; a dark streak along the canthus rostralis and on 

 the temporal region ; a more or less distinct one along each side of 

 the back; a dark-brown inguinal spot. 



Chili. 



a-b. 2- Valdivia. 



c. 2- Chiloe. Dr. Cimuiugliam [P.]. 



The following specimen, type of Litovia gJandidosa, Bell, Zool. 

 Beagle, p. 42, pi. 18. f. 4, probably belongs to this species, but, as 

 already stated by Dr. Giinther (Cat. p. O'J), it is in too bad a con- 

 dition to be properly determined. 



(/. 2 • Coucepcion. C. Darwin, Esq. [P.]. 



5, Borborocoetes grayi.' 



Cystignathus grayii, Gilnth. Cat, p. oO. 

 Borborocoetes grayii, Bell, Zool. Beac/le, Jiept. p. 36, pi. 17. f. 2; 

 Guichen. in Gay, Chile, Rept. p. 100. 



Tongue cordiform, entire. Vomerine teeth in two short, slightly 

 oblique series behind the choanal. Snout rounded, slightly longer 

 than the greatest orbital diameter; nostril nearer the tip of the 

 snout than the eye ; tympanum slightly distinct, half the diameter 

 of the eye. Fingers moderate, first a little shorter than second ; toea 

 moderate, webbed at the base ; subarticular tubercles rather indis- 

 tinct ; a small inner metatarsal tubercle. The hind limb being 

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

 between the eye and the tip of the snout. Skin smooth. Brown 



