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TABLE OF CONTENTS. 



I 



i 



Pamt II. Check-list of the species of Batrachia and Keptilia, &c.— Contiimed : 

 Class Reptila — Continued: , 



Order Lacertilia 4A 



Opheosauri 44 



Pleurodonta 44 



Typhluphtbalmi 44 



Leptoglossa 44 



Diploglossa 4C) 



Iguania 47 



Nyctisaura 50 



Testndiuata 50 



Athecte 50 



Cryptodira 51 



Crocodilia r>4 



Part III. On gcogr.'iphical distribution of the Vertebrata of the Regnum Nearc- 



ticum, with especial reference to the Batrachia .^ud Keptilia 55 



I. — The faunal regions of the earth 55 



II.— Number of species 5S 



III. — Relations to other realms Gl 



IV.— The regions 67 



Austroriparian <>~t 



Eastern 70 



Central 71 



Pacific 7:1 



Sonoran 7'3 



Lower Califomian 74 



V. — The Austroriparian region 76 



VI.- The Eastern region 82 



VII.— The Central region 88 



VIII.— The Pacific region 89 



IX.— The Sonoran region 90 



X. — The Lower Californian region 92 



XI. — Relation of distribution to physical causes 93 



Pari IV. Bibliography 97 



A.— Works on the classification of Batrachia and Reptilia 97 



B. — Works treating of the geographical distribution of North American 



Batrachia and Reptilia 100 



Alphabetical ikdex , 101 



'I 



