BULL FKOG. 713^ 



may be used as articles of diet. Frequently only the hams are taken, but 

 in some cases the animal is captured, killed, the viscera removed, 

 and the body fried in eggs and bread crumbs. They are then said to be 

 delicious, and it is reported that they are much used in this manner in 

 certain places. 



*OEDER URODELA. TAILED AMPHIBIANS. 



Caudata, Lbuckart. 



Body elongateil, naked or without exoskeletal plates; tail oompreased or cylindrical, 

 persistent throughout life ; feet usually two pairs, rarely only one ; radius and ulna, as 

 well as tVbia and fibula, not united into a single piece ; external opening of the cloaca 

 a longitudinal slit. 



Gills persistent throughout life Pbrbnnlbranchiata. 



Gills caducous CADXrCtBRANCHIATA. 



SUB-ORDEE PeRENNIBRANCHIATA. 



Amphipneusta, Oppkl. 



Proteides, Lbuckart, Harlan, Mtjller, Dumeril and Bibron. 



Phanerobramohes, Dumkril and Bibron. 



Pseudophydiens, DbBlainville, 



StrenidecB, Tbnney. 



Ichtyoides, Latreille. 



Branchias persistent; prefrontal, nasal and maxillary bones wantiag; premaxillse not 

 anchylosed together ; pterygoid abisent or united with the i)alatiues; vertebrae amphi- 

 coslous ; carpus and tarsus cartilaginous, the latter sometimes absent ; eyes without lids, 

 in some cases surrounded by circular ring resembling; a lid. 



Pelvic arch .'ind limbs wanting; extralimital TRACHTSTOMiDiB. 



Pelvic arch and limbs present PROTEiDiB, 



FAMILY PROTEID^. THE MUD PUPPIES. 



Skull elongated ; paraspheuoid edentulous ; vomer with teeth along its antarior mar- 

 gin ; pramaxillsB and dentaries dentigsrous ; pterygoid present and anchylosed with the 

 palatines ; occipital condyles sessile ; first two ceratohyals connate ; branohse, branchial 

 apertures, and three pairs of arches persistent ; eyelids wanting ; pelvic and pectoral 

 archos and limbs developed ; anterior digits three or four, fourth finger, or in this case 

 the third, the first being absent, with a single phalanx. 



* Toes, two or three on each foot ; trunk very much elongated ; extralimital. 



Proteus. 



* Toes, four on each foot ; trunk, short and thick. . . . Mbnobranchus. 



*The classification and descriptions of this order are taken from the author's printed 

 thesis on the Urodela and Cseoilia, to which any persons desiring information on extra- 

 limital species may refer. 



