INTRODUCTION. 



XI 



Family II. — COLUBRID.ffi, continued. 

 B. Loral or anteorhitals absent. 



Anteorbitals 



absent. 

 Prefrontals 



Loral 

 absent. 

 Scales 



Page 



carinated Haldea 122 



smooth Farancia....l2o 



two. Scales r, f One nasal Abastor 125 



I smooth. Post- J ^^' \ Two nasals Virginia 127 



[ orbitals (one Cehita 129 



f Postabdom. so. divided... Tantilla 131 



\ " " entire ...Osceola 133 



carinated Storeria 135 



one. Scales 



smooth , 



Family III. — BOIDiB. 



Anteorbitals & r one. Loral one 



superciliaries \ three. Lorals two. 



.■Wenona...l39 

 .Charina....l54 



Family IV. — TYPHLOPIDiE. 



f Frontonasals, nasals, oculars, parietals, and 



Cephalic | postparietals Rena 142 



plates con- -j Prefrontals, frontal proper, fronto-nasals, 

 sisting of I nasals, oculars, pre- and supra-oculars, 



[ and parietals Ophthalinidion...l55 



