{xi}SCHEME OF THE CLASSIFICATION ADOPTED IN THIS BOOK CLASS AMPHIBIA. Sub-Class. Order. Sub-Order. Family. Sub-Family. STEGOCEPHALI (p. 78) STEGOCEPHALI LEPOSPONDYLI (p. 80) BRANCHIOSAURI (p. 80). AISTOPODES (p. 81). STEGOCEPHALI TEMNOSPONDYLI (p. 81) STEGOCEPHALI TEREOSPONDYLI (p. 83) LISSAMPHIBIA (p. 84) APODA (p. 84) COECILIIDAE (p.89). URODELA (p. 94) AMPHIUMIDAE (p. 97). SALAMANDRIDAE (p. 102) Desmognathinae (p. 102). Plethodontinae (p. 103). Amblystomatinae (p. 109). Salamandrinae (p. 115). PROTEIDAE (p. 132). SIRENIDAE (p. 136). ANURA (p. 138) AGLOSSA (p. 143). PHANEROGLOSSA (p. 152) DISCOGLOSSIDAE (p. 152). PELOBATIDAE (p. 160). BUFONIDAE (p. 166). HYLIDAE (p. 185) Amphignathodontinae (p. 188). Hylinae (p. 189). CYSTIGNATHIDAE (p. 209) Hemiphractinae (p. 210). Cystignathinae (p. 211). Dendrophryniscinae (p. 224). ENGYSTOMATIDAE (p. 225) Engystomatinae (p. 225). Dyscophinae (p. 235). Genyophryninae (p. 236). RANIDAE (p. 237) Ceratobatrachinae (p. 237). Raninae (p. 238). Dendrobatinae (p. 272). CLASS REPTILIA (p. 277). PROREPTILIA (p. 285). _Eryops_ (p. 286). _Cricotus_ (p. 287). Sub-Class. Order. Sub-Order. Family. Sub-Family. PROSAURIA (p. 288) MICROSAURI (p. 288). PROSAURI (p. 290). PROTOROSAURI (p. 290). RHYNCHOCEPHALI (p. 292).