Thk REPrn.!: Book 



Plate XLII 



BL.\CK-THROATED R.\CERliNNER, Cnemidaplwrus gularis, unj SIX-LINED LIZARD. Cnemidophorus ieximealus 



Same as above 



RED-HEADED SKIXK, F.ummsQuinqudimatui 



Chin and Throat 



Suli-of HtM.l T"i.'-i II- fl 



FLORIDA WORM I.IZARD. Rhineura fiaridana 

 STRUCTURAL CHARACTERS OF NORTH AMERICAN LIZARDS. Tciida. Scincida-.^nA Amphisbmidx 



