•i. CTCLOKHAMPHTJS. — 5. CALYPTOCEPHALUS. 189 



4. CYCLORHAMPHUS. 



Cj'clorliamplius, Tschucli, Butr. p. 81. 

 Cjclorhamplius, sp., Diun. S)- Bihr. viii. p. 452. 



Pitliecopsis, {Bibr.) Gilnth. Cat. p. 22 ; Cope, Nat. Hist. Bev. 18(55, 

 p. 112, and Journ. Ac. Bhilacl (2) ^-i. 186G, p. 93. 



Pupil horizontal ? Tougue oval, entire and free behind. Vome- 

 rine teeth. Tympanum hidden. Fingers free ; toes "wcbbed, the 

 tips not dilated. Outer metatarsals separated. Omostcrnum carti- 

 laginous ; sternum a cartilaginous plate. Terminal phalanges 

 simple. 



Brazil. 



1. Cyclorhamphus fuliginosiis. 



Pitliecopsis fiiligiuosus, Gunth. Cat. p. 22. 

 Cyclorhamphus fuligiuosus, {Bibr.) Tschucli, Bair. p. 81 ; Dam. Si- 

 Bibr. p. 454. 



Vomerine teeth in two oblique series behind the choanse. Toes 

 two-thirds webbed ; a single small metatarsal tubercle. Skin quite 

 smooth ; a large, flat, circular gland on each side. Uniform 

 brownish ; beneath finely whitish-spotted. 



Brazil. 



5. CALYPTOCEPHALUS. 



Peltocephalus, Tschucli, Batr. p. 81. 



Calyptocephalus, {Bibr.) Dmn. ^- Bibr. viii. p. 447 ; Giinth. Cat. p. 21 ; 



Cope, Kat. Hist. Bcv. 1805, p. 112, and Journ. Ac. Fkilad. (2) vi. 



186G, p. 93. 



Pupil horizontal. Tongue circular, entire, free behind. Vomerine 

 teeth. Cephalic derm involved in a rugose cranial ossification, the 

 orbit being completely enclosed. Tympanum distinct. Fingers 

 free : toes webbed, the tips not dilated. Outer metatarsals incom- 

 pletely separated. Omostcrnum cartilaginous; sternum a carti- 

 laginous plate. Terminal phalanges simple. 



Chili; Panama. 



1. Calyptocephalus gayi. 



Calyptocephalus gayi, Gilnth. Cat. p. 21. 

 Peltocephalus quoyii, Tschucli., Batr. p. 81. _ _ 



Calyptocephalus gayi, Dum. *§• Bihr. p. 450 ; Guiehen. in Gay, Chile, 



ix. p. 109, pi. G; Steindachn. Kovara, Am^ih. p. 15 ; Espada, Viaj. 



Pacif., Vert. p. 2. 



Vomerine teeth in two nearly straight series between the choano?. 

 Head depressed ; snout very short, rounded ; eyes small, interorbital 

 space much broader than the upper eyelid ; tympanum nearly as 

 large as the eye. First finger shorter than second ; toes nearly 

 entirely webbed ; subarticular tubercles none ; inner metatarsal 

 tubercle oval, blunt ; no outer tubercle. The hind limb being 



