252 CTSTIGXATHID^. 



17. BORBOROC(ETES. 



Cystignatlms, sp., Diim. ^- Bihr. viii. p. 407; GUnth. Cat. p. -11. 

 Borboroccetes, licll, Zool. Beaqlc. Bepl. p. .",0 ; Cope, Nat. Hkf. Bev. 



186.J, p. iiy. 

 Eusoplms, Cope, 1. c, andJouriu Ar. Bhilad. (2) vi. ISGn, p. O-", 

 Borborocoetes, sp., Cope, Jonrn. Ac. Bhilad. (2) vi. p. 94. 

 Cacotus, Gi'mth. Proc. Zool. Soc. 1868, p. 482. 

 PlirTHopus, Peters, Mon. Berl. Ac. 1873, p. 4ir). 

 Oreobates, Bspada, Ann. Soc. £sp. i. p. 86. 



Pupil horizontal. Tongue subcircular, entire or slightlj- nicked, 

 and free behind. Yomerine teeth. Tympanum more or less distinct 

 or absent. Fingers free ; toes free or nearly so, the tips not dilated. 

 Outer metatarsals united. Omosternum cartilaginous ; sternum a 

 cartilaginous plate. Terminal phalanges simple or slightly 

 bifurcate. 



W. S. America, 



S>/)W2^si-f of the Species. 



I. A tympanum. 



1. Yomerine teeth between the choante. 



Subarticular tubercles very strong 1. nodoms, p. 253. 



Subarticular tubercles moderate ; vomerine 



teeth in two oblique series commencing 



on a level with the hinder edge of the 



choante ; toes not fringed 2. rosevs, p. 253. 



Hubarticular tubercles moderate ; toes 



fringed 3. hidalc/oi, p. 253. 



Subarticular tubercles small : fingers and 



toes slender 4. tcrniaf^ii^, p. 254. 



2. Vomerine teeth behind the choana^. 

 First finger not longer than second : nostril 



nearer the tip of the snout than the eye. 5. e/rai/i. p. 254. 

 First finger not longer than second ; nostril 



equally distant from the eye and the tip 



of the'snout " 0. hihronii, p. 255. 



First finger longer than second ; nostril 



much nearer the tip of the snout than 



the eve 7. qui.rensis, p. 255. 



Habit very stout ?• Jientanvs, p. 255. 



II. No tympanum. 



Snout as long as the greatest orbital diameter. 9. vuicuJcdus, p. 256. 

 A conical tubercle on the tibio-tarsal 



articulation 10. calcaratus, p. 256. 



Snout shorter than the greatest orbital 



diameter 11. coppincieri, p. 257. 



