INTRODUCTION. 



XI 



Family II. — COLUBRID.a3, continued. 

 B. Loral or anteorhitals absent. 



Anteorbitals 



absent. 

 Prefrontals 



Loral 

 absent. 



Scales 



one. Scales 



.Haldea. 



Page 



122 



L 



/ carinated 



\ smooth Farancia....l23 



two. Scales?, / One nasal Abastor 125 



smooth. Post- J \Two nasals Virginia 127 



orbitals [one Celuta 129 



., fPostabdom.se. divided... Tantilla 131 



^•^°°t^ 1 " " entire.... Osceola 133 



carinated Storeria 135 



Family m. — BOrD-SJ. 



Anteorbitals & / one. 

 superciliaries \ three. 



Page 



Loral one 'Wenona...l39 



Lorals two Cliarina....l54 



Family IV.— TYPHLOPID^. 



Cephalic 

 plates con- 

 sisting of 



Page 



f Fi'ontonasals, nasals, oculars, parietals, and 



I postparietals Rena 142 



Prefrontals, frontal proper, fronto-nasals, 

 nasals, oculars, pre- and supra-oculars, 

 [ and parietals Ophthalinidion...l55 



