NORTH AMERICAN CONCHOLOGY. 



191 



[Proc. Zool. Soc. London.] 



Pa. 



PI. 



Pig. 



Name. 



Locality. 



55 



ix 



3 



Helix Pandoree Forbes. 



Str. of Juan de Fuca. 



55 



ix 



2 



Kellettii Forbes. 



Santa Barbara. 



55 



ix 



1 



vellicata Forbes. 



Panama ? 



56 

 153 



ix 



8 



cingulata Forbes. 



Arthur Adams. 

 Fhos gaudens Hinds. 



Mazatlan. 



Teliuantepec, W. C. of 

 Mexico. 



190 



2C3 

 203 



271 



271 

 271 

 271 

 272 

 272 

 272 

 273 

 273 

 274 



274 

 274 

 274 



1851. 

 Page. 

 12 



91 

 101 

 109 

 112 

 153 

 157 



XI 



xi 



1 



9 

 8 

 7 



11 



10 



2 



6 



12 



10 



Isaac Lea and H. C. Lea. 

 Melania apis Lea. Vera Cruz, Mex. 



Arthur Adams. 

 Modulus lenticularis Ch. (Trochus). Mexico. 

 Trochus modulus Linn. 

 carchedonicus Lam. California. 



Monodonta Sayii Nuttall. 



Prof. Edward Forbes. 

 Trochita spirata Forbes. Massaniello, G. of Cal. 



Trochus castaneus Nutt. MS. Upper California. 

 {Monodonta) gallina Forbes. Mazatlan? 

 aureo-tinctus Forbes. Mazatlan? 

 (Margarita) purpuratus Forbes. W. C. of Am. ? 

 Hillii Forbes. N. W. C. of America ? 

 Natica Pritchardi Forbes. Mazatlan. 



Planaxis nigritella Forbes. Str. of Juan de Fuca. 

 Purpura analoga Forbes. California ? 



var of P. decemcostata or Freycinetii. 

 Fusus Kelletii Forbes. California. 



Oregonensis. California. 



salebrosus. Mazatlan. 



J. S. Gaskoin. 



Name. 



Columbella Californiana Gask. 



A. Adams. 

 Subemarginula denticulata A. 

 Nassa {Bnrrwmn) vibex Say. 



perpinguis IHnds. 



trivittatum (Jlucr.') Say. 

 Infundibulum Californicum A. 

 Phorcus Californicus A. Ad, 



Locality. 

 San Diego, Cal. 



Ad. Mexico. 



W.Indies, Philippines. 



Magdalena Bay. 



New York. 

 Ad. California. 



California. 



