INTRODUCTION. 



Family II. — COLUBRIDiE, continued. 

 B. Loral or anteorhitals absent. 



Auteorbitals 



absent. 

 Prefrontals 



Loral 

 absent. 



Scales 



one. Scales 



Page 



/ carinated Haldea 122 



\ smooth Farancia....l23 



.Abastor. 



.125 



two. Scales r, / One nasal 



smooth. Post- J ■ (_ Two nasals Virginia 127 



orbitals (one Celuta 129 



/ Postabdom. sc. divided... Tantilla 131 



■\ " " entire ...Osceola lo3 



carinated Storeria 135 



smooth , 



Family III. — BOIDiE. 



Anteorbitals & f one. Loral one , ■Wenona...l39 



superciliaries \ three. Lorals two Charina. ...1-54 



Family IV. — TYPHLOPIDiE. 



f Frontonasals, nasals, oculars, parietals, and 

 Cephalic | postparietals Rena.... 



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

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



[ and parietals Ophthalmidion. 



Page 



.142 



.155 



