CLASSIFICATION 



2. Batrachia. AOLOSSA. 



PHANEROQLOSSA : Systomata = 

 Engystomatidae. 

 Bufoninae. Without manubrium 



sterni. 

 Raninae. With manubrium. 

 Hyloidea. With adhesive liugei'- 

 disos, 

 GYMNOPHIONA. 

 Gegenbaur, 1859, "Grundzuge der vergleichenden Anatomie." 



Amphibia as a separate class, equivalent to that of the Ebpiilia, are 

 divided into the four Orders : PERENNIBRANGHIATA SALA- 

 MANDBINA, BATRACHIA, and GYMNOPHIONA. In the 

 second edition of the "Grimdzuge" (1870) they are divided into 

 UBODELA, ANURA, and GYMNOPHIONA. 

 Huxley, 1864, " The Elements of Comparative Anatomy/' 

 Mammals. 



Sauroids, subsequently changed into Sauropsida = Reptilia + Aves. 

 IcHTHYoiDS, „ „ Iohthyopsida = Amphibia + 



Pisces. 

 Haeckel, 1866, " Generelle Morphologie." 



Amphibia. A. Phractamphibia s. Ganocephala = Labyrinthodonta + 

 Peromela [Apoda]. 

 B. LissAMPHiBiA s. Sozobranchia = Sozura [ITrodela] + 

 Anura. 

 Cope, 1869.1 



Stegocephali, Gymnophidia, Ueodela, Peoteidea, Traohystomata, 

 As-ura. 

 Huxley, 1871, "A Manual of the Anatomy of Vertebrated Animals." 

 Amphibia I. Saurobateachia [v.d. Hoeven's term] s. Urodela 



1. Proteidea. 



2. Salamandridae. 

 II. Labyrinthodonta. 



III. GYMNOPHIONA. 



IV. Batrachia s. Anuea. 



Boulenger, 1882, " Catalogue of the Batrachia Gradientia s. Caudata and 

 Batrachia Apoda," divides the Caudata simp]y into : SALAMAND- 

 RIDAE, AMPHIUMIDAE, PROTEIDAE, and SIRENIDAE. 

 1882, "Cat. Batrachia Salientia s. Ecaudata," see p. 140. 

 Cope, 1890, " Synopsis of the Families of Vertebrata." - 

 Class Batrachia. 



Sub-Class I. Stegocephali. 



Order 1. Ganocephali : Trimerorhachis, Archegosaurus. 



2. Rhachitomi : Eryops 



3. Embolomeri . Gricotus. 



4. Microsauri : Branchiosaunis, HylonomMs, etc. 



' Proc. Ac. Philad. p. 209. ^ Americ. Natural, xxiii. p. 819. 



