n 



':h: 



312 nuLLETiN :m, umtki) statks national museum. 



(jiniili II. CliiUKJiMiiiYKKs.— Frdiitdpaiiftiil Iioiics fully tlcveloiu'd ; toes ficd or 

 sli^'litly wcljbe<l; (ho i-xlcnial iiicliUarsi Itoiind ; terminal i>lialaii<;<'» Hiinplo ; 

 stciiimn a cartilnyinoii.s i)lal(' (so Car known, finarj»iiiato) ; ear perfectly Uevol- 

 (ijii'd ; fonf^ue entire, liltle free. 

 a. Ceplialie derm distinct; no iio.stortdtal aicli. 



]'ni)il vertical; iirefrontals well separated; vonicrino teeth; toes 



weblicd ; inner finger opposable MilvoljiKin' Cope 



Pupil horizontal; prefrontals more or Jess united; vonu^rine teeth : 

 toes webbed; inner linger not oi)pos:>')le; abdominal derm areo- 



late ; a strong cunciforni shovel Odontopln-ynuH IJ. & L. 



Prefrontals widely separated; eyelids with dermal prolongation; 

 vomerine teeth; toes nearly free ; cranium elevated ; form toad- 

 like; inner finger not opposable IStomhua^ Hoio. 



Prefrontals in close contact; eyelids not prolonged; vomerine teeth 

 on palatine arch; toes free; cranium broad; pupil luuizontal; 



form squat ; abdomen smooth Zachwnua Cope. 



aa. Cranial derm involved in ossilication; uo postorbital arch. 



Pupil vertical; thumb opposed ; toes webbed ; vonioriuo teeth ; pre- 



fontals separated ; nodorsal shield VMfoh'i)tiH\ tUlir. 



aaa. Cephalic derm involved in cranial ossilication; a postorbital bony arch. 



Similar to Ceratophrys as below, but without dorsal dermal osseous 

 shield I'hri/noccnis Tsch. 



Prefrontals wholly or in part separated ; eyelids with a dermal pro- 

 longatu)u ; vomerine tecith; toes more or less palmate ; cranium 

 elevated; form toad-liko; inner linger not opposable; jtupil 



transverse; a dorsal dermal osseous shield CtratitphrjiH Hole. 



Group III. Crisi.E.— Frontoparietal bones einbracing a large fontanelle; cei)halie 

 derm free; external metatarsi bound; terminal phalanges simi)le; prefrontals 

 never clos(dy united, rarely in contact; ntfrniun not distingiiinhablc into style and 

 (Jhk, broad, eniarginate, cartilaginous. 

 a. Ethmoid bono with superior arch complete; toes webbed, 



Pupil erect; vomerine teeth Ilelioponin Gray. 



Auditory apparatus minute ; vonu'rine teeth ; pu])il horizontal; ster- 

 num with a proximal semiossitied portion <'oph<niH^ Cope. 



aa. Ethmoid arch complete, or nearly SI) ; digits fret' ; no cuneiform shovel. 

 Largo parotoid glands; no vomerine teeth; pui)il horizontal. 



Ifjjpcrolia ( I ray. 



No parotoid glands; vonu'rinc teeth in transverse series; xipliister- 



num broad; pupil horizontal nnrhnroriilvs \\ Hell. 



No parotoid glands; pujiil erect; hternum a jdate I'lrialiti (<ray. 



No parotoid glands; pupil horizontal; vomerine teeth wanting or in 

 minute fasciculi ; sternum slender, without bony deposit • bdo- 



ininal integument usually areolato Cihi'ni 'i'scli. 



aaa. Ethmoid arch cartilaginous al)ove ; digits free ; no shovel. 



No i)arotoi<ls ; vonu'iine teeth; pupil round; auditory organs ruili^ 



mental EnsopliiiH ('oiie. 



aaan. Ethmoid arch? No metatarsal shovel; "auditory organs wanting;" toes 

 slightly webbed. 



Vomerine teeth : no parotoids thiuhn Hell. 



* Typo Chiroleptrn aUwguttatuH Gthr. 



t TyiH! Ciralophri/n Imici Wied. 



t I'hracfopn Peters. 



? Trlmatoliiiix Honlenger, not of Wiegmann. 



II Includes Liiini(i<hiiinHltn Vi\7... Glintber. 



I . 



T» 



