ANURA 



139 



lignites near Bonn yield not only numerous perfect skeletons, but impressions 



Fig. 2i3. 



Pectoral arch, of 

 Sana temporaria; 

 ost, Omosternnm ; 

 ssc, Suprascapula ; 

 p7V, Precoracoid . 

 cor, Coracoid ; st, 

 Sternum ; Xst, Xi- 

 phisternum. (The dotted parts are cartilaginous ) 



.^^ 



Fig. 235. 



Larvae of Palaeo- 

 hatraxhus fritschii, 

 Wolterstorff. Mio- 

 cene Lignites ; Kal- 

 tennordheim, Bhon. 

 i/i (after Wolterstorff 

 and Meyer). 



Palaeohatraclius grandipes, Giebel. Lignite ; Orsberg in 

 Siebengebirge. 2/3 (after Wolterstorff). 



of tadpoles belonging to the genus Pcclaeo- 

 batrachus, Tschudi, are plentiful (Figs. 

 234, 235). 



Perfect skeletons of large toads 



(Latonia seyfriedi, v. Meyer ; Pelophihis 



agassizi, Tschudi) are known from the 



Miocene freshwater marls of Oeningen, 



Baden. The equivalent deposits of Giinzburg, Sansan, and Sinigagiia likewise 



yield remains of tailless Batrachians. Pleistocene Anura, like late Tertiary 



Urodeles, belong exclusively to recent genera. 



VERTICAL RANGE OF AMPHIBIANS. 





s 



1 



> 











1 

 B 

 



1 



g 





3 



f3 

 



1 



Q 

















 



« 



Stegocephalia . 

 Lepospondyli . 

 Temnospondyli 

 Stereospond.yli . 



Gymnophioxa 



Ueodela 



Iclithyoidxa 

 ScclaTnandrina . 



AxrPoA . 













z?5 



mm 



H 















- 











^ 







- 



















«. 

























1 ■ 





[The preceding chapter on Amphibia has been translated and extended, without altering 

 the classification, by Dr. E. C. Case, of the State Normal School at Milwaukee, "Wisconsin. 

 — Editor.] 



