The West 
American Scientist. 
Vol. XII. No. 6. 
November, 901. 
Whole No. 107. 
Established 1884. 
THE WEST AMERICAN SCIENTIST. 
Published ae 
Price 10c a copy; $1 a year; $10 for life. 
Charles Russell dreurt, Editor, 
Number 365 Twenty- -first ¢ rig 
San Diego, California, U. 
WEST AMERICAN MOLLUSCA. 
COCHLICOPA LUBRICA Muell. 
Ferrussacia subcylindrica L. 
Heda Peak, Berkeley, Cal. (H. Hemp- 
hill); Oregon; Alaska. 
COCHLIOPA F eee Tryon. 
Shelf de 
whorls 3%, Pala rly 
larging; spire small, 
apex acute, sutures well oS = 
convex, except that reien 
bilicus is rhe ag rs ane. Noi sa ed. toward 
high, 
en- 
slightly elevated, 
Color Yellowishes green. re 
ane 244, larger diameter 
Clear lake, California? Pan- 
ge ch ggg Cpr. 
rt, suture indistinct; 5, 
San Diego, California to asus: 
atla. 
DIPES LIRATA, Cha Binn 
umella with 2 acute ap- — 
Aig 
are iene beet White or yellowish. 
tae? Pare ipo! 2.5 m mm. 
ying: San Diego, Mage gab pay Nagas : 
San Lueas, Baja Califo , 
So ALA STEARNSIT Dall. 
: Pacific 
sc r Free Inst tr III, os 
892). 
SEL BH NITES gy ees eer Mazyck. : 
Shell ig essed, ateyg < horn- 
color, wit th. — arene roug 
mubecquidiatant,: treveaine ane,  whiets are 
om 
coenuriar 
a ae 
ates): Haywards. Alameda co: ty, 
California het 
Mi 
SELENT URA 
Mazy ck, U S Na Mu pe 9:460-1 f (S886). 
Helix duranti Newcomb, Ca ac Ms 
(1864). 
Patula oe Tyron, gg 
zs — t 4 f 53 (1866). Mong. T. 
Rs ee duranti —— and Bland 
linear; the 
simple, o external nte 
Santa Barbara 
a i 
says: “spire not at all eleva’ 
pertactly ok plane above.” — ae 
seg ey, says: ‘“‘with very coarse — : 
e piabintet 6 5, height 1.75 iS mam. | ; 
Pilsbry, Phila ac pr 1889, <= 16, 
Selenites’ caelata — ae 
_of this. 
‘SE SLENITES: HEMPHTLLI Ww: W. G 
Eastern Washington. — 
Beg mee ae POR’ TELLA Gould. 
yron, Mong T M igs $.3° 2, 
