liATRACUIA SALIENTIA. 29 



5. Cystignathus schomburgkii. 



Cvstifrnathua f!ohombur<rkii, Troschel, in Gay, Ilistoria Jistra de Cldle, 

 ' 184S, and Wifijm. Archir, 1849, p. 59. 



T3Tnpaniim distinct ; vomerine teeth in two rather convex series, 

 scarcely separated in the middle, situated behind the inner nostrils. 

 Snout rather pointed ; third finger not much longer than first ; second 

 much shorter, nearly as long as foiu'th ; toes not fringed. Above 

 broAvn, beneath lighter ; no white dorsal band. 



a. Adult. Brazil. From the Leyden Museum. — It is not without 

 doubt that I refer this specimen to the above species, as it 

 differs from Prof. Troschel's description in ha^•ing a black streak 

 from the snout through the eye to tlie loin, and black spots on 

 the sides. The upper hp is white, black-edged. 



6. Cystignathus taeniatus. 



Girard, Proc. Ac. Nut. Sc. Phihul 1854, p. 226, and U.S. Naval 

 Astroii. Expcd. 1855, ii. p. 207. pi. 34. f. 8-11. 



Two black dorsal stripes, a black stripe from the snout througli 

 the nostril and eye to the shoulder ; belly uniform yellowish ; snout 

 modcratelj' pointed ; tympanum small, nearly the size of half the eye. 

 Vomerine teeth situated a little behind the inner nares, upon two 

 veiy small eminences, well separated upon the middle of the 

 palate. Santiago (Cliili). 



7. Cystignathus omatus. 



Holbrook, N. Amer. Ifeqxtol. i\. p. 10.3. pi. 25. 



Body and head short, as in Hi/la vir'ulu ; skin smooth ; tympanum 

 distinct ; tongue nearly circular ; vomerine teeth in two rounded 

 groups behind the inner nostrils. Dove-colour above with oblong 

 spots of dark bro-rni, margined Avith yellow. 



a. Adult. Georgia. From Mr. Cuming's Collection. — Differs in 

 having the back of a uniform olive - colour ; sides A\dth three 

 black spots, viz. a streak from the eye to the shoulder, an oval 

 spot in the middle of the sides, and one or two smaller ones on 

 the loin. 



8. Cystignathus nodosus. 

 Dian. S,- Bibr. p. 413. 



Tympanum inchstinct. Vomerine teeth in two small, rather 

 obliquely arranged groups between the inner nares ; fingei's and 

 toes with large subarticular enlargements. 



a. Adult. Chili. Presented by Charles Danvin, Esq. — With yel- 



loAAish dorsal streak. 



b. Half-groAvn : bad state. South America. Presented by Charles 



Danvin, Esq. 



