xvi INTRODUCTION. 



■WENONA, B. & G. 



Page 



1. Wenona plumbea, B. & G Oregon 139 



2. '^ isabeUa, B. & G Oregon 140 



RENA, B. & G. 



1.* Rena dulcis, B. & G Texas 142 



2.* " humilis, B. & G California 143 



SUMMARY. 



Genera. Old 13 



New 22 



Total 35 



Species. Old , 65 



New 54 



Total 119 



SPECIES NOT SEEN. 



1. ToJiicophis atrofuscus, Troost Tennessee 150 



2. Coluber testaceus, Sat Rocky Mts 150 



3. " Sayi, Schl Missouri 151 



4. " vertebralis, Blainv California 152 



5. " (Ophis) californiae, Blainv California 153 



6. " (Sacholus) zonatus, Blainv.... California 153 



7. " planicep.s, Blainv California 154 



8. Charina Bottae, Gray California 154 



9. Ophthalmidion longissi- 1 „, . , „ 



^ r. c% y Florida.? 155 



mum, Bum. & Bibr. J 



