118 THE NAUTILUS. 



been described from Round Mountain near Silver Cliff, Colorado. 



195a. BIFIDARIA HEBES MEXiCANORUM Ckll. Mesilla, New 

 Mexico. 



Section Vertiyopsis ' Ckll.' Sterki. 



196. BIFIDARIA PILSBRYANA Sterki. New Mexico, Arizona. 



197. BIFIDARIA CINCINNATIENSIS Judge. Cincinnati, Ohio. 



198. BIFIDARIA CURVIDENS Gld. Mass, to Minn.; Ontario 

 and Quebec. 



198a. BIFIDARIA CURVIDENS GRACILIS Sterki. Rhode Island, 

 Ohio, Tennessee. 



198b. BIFIDARIA CURVIDENS FLORIDANA Dall. Archer, Alachua 

 Co., Florida. 



199. BIFIDARIA PENTODON (Say). Ontario and Quebec, Canada, 

 to Minnesota, south to Ga. and Texas; Lincoln Co., Nevada; 

 Laggan, B. C. A form curta Sterki, occurs in Ohio. 



Genus PUPA Draparnaud. 

 Subgenus Pupilla Leach, (=typical Pupa.) 



200. PUPA MUSCORUM (L.). Prov. Q.uebec, Canada, New Eng- 

 land, and the Northern tier of States from Maine to Montana; 

 Colorado, Utah and Nevada. Also Europe. Pupa sublubrica Auc. 

 is considered a synonym by Binney. 



201. PUPA BLANDI (Morse). New Mexico, Utah, Colorado and 

 western S. and N. Dakota. (Referred to P. muscorum var. bi- 

 granata Rossm. by von Martens ; cf. also P. signata Mouss.). A form 

 obtusa Ckll. is recorded from Custer Co., Colo. 



202. PUPA SYNGENES Pils. New Mexico ; Arizona ; Montana. 



203. PUPA STERKIANA Pils. San Diego Co., Cal. ; Lower Cali- 

 fornia. 



Subgenus Nearctula Sterki. 



204. PUPA CALIFORNICA (Rowell). San Francisco, etc., Califor- 

 nia. 



204a. PUPA CALIFORNICA ELONGATA Sterki. San Clemente Is- 

 land. 



204b. PUPA CALIFORNICA CATALINARIA Sterki. San Clemente 

 and Santa Catalina Is. 



204c. PUPA CALIFORNICA DIEGOENSIS Sterki. San Diego, Cal. 



204d. PUPA CALIFORNICA TRINOTATA Sterki. Monterey, Cal. 



