TABLK (IF COiNTENTS. 



Page. 



Introduction , 553 



Historical review T 556 



l)istri])ntion of species occurring in Porto Kii'o (tal)le) 5H0 



Relations and oritjin of the Porto Rican herpetologieal fauna 561 



Vertical distribution 565 



Bibliography - 567 



Batrachian.s and reptiles of Pi irt( > Rici > ... 569 



Class Batrachia. 569 



Class Reptilia 599 



Order S(iuaniata 599 



Suborder Sauria 599 



Suborder Serinnites 683 



Order Chelonia 707 



Index 721 



551 



