52 REPTILES. 



obtixse ; eyes moderate ; skin smooth ; thighs without white streak ; 

 sometimes a cutaneous fold across the occiput. 



a. Adult. Mexico. From M. Parzudaki's Collection. Talon with 

 two tubercles. 



6, c. Adult and half-grown. New Orleans. 



d, e. Half-grown and young. North America. Presented by Ed- 

 ward Doubleday, Esq. 



f. Adult : fine specimen. Cordova. From M. SaUe's Collection. 

 Rose-coloiu'ed ; back with an ii-regular broad dark band ; sides 

 of the head and body brown ; hip with a round black spot ; legs 

 with three broad black-edged bands ; belly white, marbled with 

 brown ; throat brown, marbled with white. 



r/, li. Half-grown. Cordova. From M. Salle's Collection. One of 

 these specimens agrees with the former ; the other one, probably 

 a female, with E. olivaceum, Hallowell. 



3. Engystoma rugosum. 



Engystoma rugosum, I}mn. Sj- Bibr. p. 744. 

 Talon with only a single tubercle. Skin rugose. 

 a. Half-grown. Mexico. From M. Parzudaki's Collection. 



4. Engystoma microps. 



Engystoma microps, Dum. 8f Bibr. p. 744. 



Talon with only a single tubercle ; muzzle much pointed ; skin 

 smooth ; eyes excessively small {Dum. 6f Bibr.). Brazil. 



2. BEEVICEPS. 



Head veiy short, confounded with body ; muzzle indistinct, mouth 

 small ; thigh and arms very short, indistinct ; teeth, none in jaws 

 nor in palate ; tongue oval, entire. Tympanum hidden ; eustachian 

 tubes veiy small. Fingers four, toes five, aU quite free. South and 

 "West Africa. 



Breviceps, Men: Tent. p. 178 ; I)mn. Sf Bibr. p. 752. 

 Systoma, Wagl. Syst. Amph. p. 205 ; Tsehudi, Batr. pp. 47, 86. 

 Engystoma, sp., Cvv. Regne Anim. 

 Rana, sp., Buio, sp., auct. jvior. 



1. Breviceps verrucosus. 



)sus, Itapjj, til Erichsoii's A 

 6. f. 5 ; Smith, III of S. Afr 



Above and beneath covered with perforated granular glands ; head 



Breviceps verrucosus, Bapp, in Erichson^s Archiv fur Naturgesch. 

 1842, p. 289. t. 6. f. 5 ; Smith, III of S. Afr. Apj}!f. 27. 



