CONTENTS. 1 



TITLE, ....... . iii 



PREFACE, ..... v 



CONTENTS, .... ix 



ORPO I. BATRACHIA, ..... 3 



TRIBCS I. BATRACHIA URODELA, . . 3 



a. TREMATODEIRA, .... 3 



/?. ATRETODEIRA. . . 3 



FAM. SALAMANDRIDAE, ... 4 



GENUS TARICHA, ... 4 



TARICHA TOROSA, . . 5 



FAM. PLETHODONTIDAE, .... 7 



GEXUS ANAIDES, .... ... 7 



ANAIDES LUGUBRIS, ....... 8 



GENUS HEREDIA, ... . 10 



HEREDIA OREGONENSIS, . . . .11 



GENUS XIPHOXURA, .... 13 



XlPHONURA TENEBROSA, . .14 



TBIBUS II. BATRACHIA ANURA, .... . 16 



FAM. RANIDAE, ....... .16 



GENUS RANA, . . .17 



1. RANA AURORA, ..... .18 



2. RANA PRETIOSA, ...... 20 



3. RANA DRAYTONI, ....... 23 



4. RANA MARITIMA, ...... 25 



GENUS LEPTODACTTLUS, ..... .28 



1. LEPTODACTTLUS OCELLATUS, ..... 29 



