118 THE NAUTILUS. 
been described from Round Mountain near Silver Cliff, Colorado. 
195a. BIFIDARIA HEBES MEXICANORUM Ckll. Mesilla, New 
Mexico. 
Section Vertigopsis ‘Ckll.’ Sterki. 
196. BIFIDARIA PILSBRYANA Sterki. New Mexico, Arizona. 
197. BIrIDARIA CINCINNATIENSIS Judge. Cincinnati, Ohio. 
198. BrripARIA CURVIDENS Gld. Mass. to Minn.; Ontario 
and Quebec. 
198a. BIFIDARIA CURVIDENS GRACILIS Sterki. Rhode Island, 
Ohio, Tennessee. ' 
198b. BrrrpARIA CURVIDENS FLORIDANA Dall. Archer, Alachua 
Co., Florida. 
199. BrriIDARIA PENTODON (Say). Ontario and Quebec, Canada, 
to Minnesota, south to Ga. and Texas; Lincoln Co., Nevada; 
Laggan, B.C. <A form eurta Sterki, occurs in Ohio. 
Genus PUPA Draparnaud, 
Subgenus Pupilla Leach, (=typical Pupa.) 
200. PupA mMuscorumM (L.). Prov. Quebec, Canada, New Eng- 
land, and the Northern tier of States from Maine to Montana; 
Colorado, Utah and Nevada. Also Europe. Pupasublubrica Ane. 
is considered a synonym by Binney. 
201. Pupa BLAND! (Morse). New Mexico, Utah, Colorado and 
western S. and N. Dakota. (Referred to P. muscorum var. bi- 
granata Rossm. by von Martens; ef. also P. signata Mouss.). A form 
obtusa Ckll. is recorded from Custer Co., Colo. 
202. Pupa SYNGENEs Pils. New Mexico; Arizona; Montana. 
203. PupaA 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. 
