160 



ENGYSIOMAIIBiE. 



with a rudiment of web, the tips blunt ; subarticular tubercles dis- 

 tinct ; two very prominent, oval, compressed metatarsal tubercles, 

 the inner very large. Skin perfectly smooth; a fold across the 

 head, behind the eyes. Brown above, immaculate or with darker 

 markings; sides and hinder side of thighs marbled with dark 

 brown; a very narrow, indistinct, light vertebral line; beneath 

 brown, spotted with yellowish ; generally a very narrow light 

 median line commencing from the chin. 

 C. America ; Para. 



O. Salvin, Esq. [0.]. 

 Berlin Museum [P.]. 



2. Hypopachns ingtdnalis. 



Hypopachus inguinalis, Cope, Proc. Am. Phil. Soe. 1869, p. 166; 



Brocchi, Miss. Sc. Mex., Batr. pi. 10. f. 3 & 4. 

 Engystoma inguiflalis, Brocchi, Bull. Soe. Philom. (7) i. p. 189. 



Snout short, subaouminate, slightly prominent, once and a half 

 the diameter of the eye. Fore limb much longer than its distance 

 from the tip of the snout ; fingers moderately elongate. Hind limb 

 moderately stout ; it being carried forwards along the body, the 

 tibio-tarsal articulation reaches the shoulder ; toes with a rudiment 

 of web, the tips blunt ; subarticular tubercles distinct ; two very 

 prominent, blunt metatarsal tubercles. Skin smooth, or with small 

 indistinct tubercles ; a fold across the head, behind the eyes. Olive- 

 brown or reddish above, marbled with dal:ker ; a very narrow car- 

 mine line from the tip of the snout to the vent ; another along the 

 inner side of the hind limb ; a carmine line from the eye to the root 

 of the arm ; beneath whitish, marbled with black ; generally a very 

 narrow light median line commencing from the chin, meeting 

 another, angular one, across the chest. Male with [a subgular 

 vocal sac. 



Gruatemala ; (Ecuador ?). 



a-e, f-h. cJ ) ? ) & hgr. Cohan, Vera Paz. O. Salvin, Esq. [0.]. 



i. 5 . Ecuador. Mr. Eraser [0.]. 



9. ENGYSTOMA*. 



Engystoma, Fitmig. N. Classif. JRept. p. 65; Ounth. Cat. p. 51. 

 Microps, Wagl. Isis, 1828, p. 744, and Syst. Aniph. p, 200. 

 Stenocephalus, Tsohudi, Batr. p. 86. 

 Engystoma, sp., Bum. Sf Bibr. viii. p. 738 : Cope, Journ. Ac. Philad. 



(2) vi. 1867, p. 194. 

 Systoma, sp., Cope, I. c. 



'oma rugosum, Dum. & Bibr. p. 744.— S. United States. 



