128 THE NAUTILUS. 
238. CIRCINARIA HEMPHILLI (W.G. Binn.). Olympia, Walla- 
walla and Freeport, Wash.; also Oregon. 
239. CIRCINARIA CONCAVA (Say). Ontario and Quebee, Canada, 
west to Minnesota, south to Kansas, Mississippi and Georgia. 
240. CIRCINARIA VANCOUVERENSIS (Lea). Bolinas Bay, Cal., to 
Sitka, Alaska. 
240a. CIRCINARIA VANCOUVERENSIS OCCIDENTALIS (Hemph.). 
Sonoma to Santa Cruz Co., Cal.; Kalama, Wash. 
S. concavus var. tenuis ae from Napa Co., is practically 
the same. Mr. Hemphill has described a var. keepi from near 
Oakland, Cal. I have not seen specimens. 
241. CrrcrnaRIA SPORTELLA (Gld.). Klamath and Humboldt 
Co., Cal., to Vancouver I. 
241a. CIRCINARIA SPORTELLA HYBRIDA (Ancey). Portland, 
Astoria. The Dalles and Douglas Co., Ore.; Olympia, Freeport, 
and Seattle, Wash.; Vernon, B. C. 
(This is M. vancouverensis var. hybrida Anc., 1888, and 8S. van- 
couverensis var. hybridus Hemph., 1890). 
242. CiRcINARIA VOYANA (Newe.). Shasta Co., Cal. to Puget 
Sound. 
242a. CrRCINARIA VOYANA SIMPLICILABRIS Ancey. California. 
243. CIRCINARIA DURANTI (Newe.). Santa Barbara Is. and 
coast range of southern California. 
243a. CIRCINARIA DURANTI CHLATA (Mazyck). San. Diego, 
Cal. to San Tomas River, Lower California. (Celatura W. G. B., 
Terr. Moll. V, 3d Suppl.). 
245b. CIRCINARIA DURANTI CATALINENSIS (Hemph.). Santa 
Catalina Island. , 
244, CIRCINARIA TRANSFUGA (Hemph.). San Diego, Cal. to. 
Todos Santos Bay, Lower California. 
(Superfamily AULACOPODA Pilsbry.) 
Family ZONITID A. 
Subfamily Zonitinee Pilsbry. 
Genus OMPHALINA Rafinesque. 
245, OMPHALINA KOPNODES (W.G. Binn.). West Virginia to 
Ga. and Alabama. 
246. OMPHALINA FULIGINOSA (Grifl.). | Ontario, west to south- 
ern Michigan, Indiana and Arkansas, south to Volusia Co., Fla. 
