Jeffrey’s Lamp-shell. Comet with 1 OF Aalitornidds this is 
a heavier shell, browner, lacking the rich, “hain! reddish tints, 
and the foramen or opening pes ha : 
4 21: 0209 Megerlia jeffreysi Dall. Ts Laqueus de 
| 21:0208 Frenula jeftreysi Dall. Is Laqueus j. 
om 21:0210 Subemarginula golisehae’ Dall. San Nicholas Island, Cal. 
ry ‘Shell of ‘moderate size, radiately ribbed, concentrically 
_ zoned and radiately striped with dark rose color, the worn apex 
greenish, the interior whitish, the extreme edge of the slightly 
i crenulated interior margin with the external coloration showing 
f through. . Sculpture of rather strong radial ribs, corrugated more 
or less by strong incremental rugosities, alternated in front and 
i behind with a single feeble rib, on the sides there are 2 or 3 
minor riblets between the major ribs; apex rather acute, some- © 
what anterior; marginal] notch shallow, its groove distinct on the 
_ internal face of the shell; the number of major ribs in the type 
- gpecimen is about 20. Length 20; apex behind the notch 7; 
width 13; height 7.5 mm. In a general way this shell looks like 
_ apex.’’—Dall, Nautilus 30:61. 
Epitonium and its allies of the Pacific Coast of America. 
U. S. Natl: Mus. pr 53: 471-388 (10 Ag ingsalag Mentions the 
following, numbers 21: 212- 320. ; 
21:0212 Epitonium Bolten 1798. M 2767. 
(21:213) Cyclostoma Lamarck, 1799 (type Turbo scalaris L.). 
 (21:212) Scalaria Lamarck, 1801. 
 (12:212) Scala Hwass (ex George Humphrey, Museum Calonnia- 
ny num, 1797). 
Shell mostly pure white and ‘lustrous; jtturreted; many- 
horled; whorls round, sometimes separate, ornamented with 
a numerous ‘transverse ribs; aperture round; peristome continuous; 
operculum horny, few-whorled. 
21:0213 BOREOSCALA Koblet, 1902. Subgenus of Epitonium. 
(21:213) Arctoseala Dall, 1909. 
(21:213) Liroscala De Boury, 1909. 
21:0214 Epitonium (Boreoscala) greenlandicum Perry, 1811. 
(T5G6T)o 
— (21:214) Scalaria subulatum Couthouy, 1838 (non Sby. 1825). 
— (21:214) Scalaria planicosta Kiener, 18388 (non planicostata 
. Bivona, 1842). 
Circumboreal: Point Barrow to Wrangell, Alaska; eastern 
Siberia; Pleistocene of Japan. 
3 
) 
a 21:0215 Epitonium (Boreoscala) hemphilli Dall, 1878. 
a Pliocene. San Diego, Cal. 
_ 21:0216 Epitonium (Boreoscala) condoni Dall. 
; _ Miocene, of the northwest United States, with Catenoscala 
; oregonensis Dall, 1909, and Opalia rugifera Dall. 
21;0217 OPALIA H. & A. Adams, 1853. Subgenus of Epitonium. 
one of the varieties of Fissurella volcano except for the entire © 
21:0211 Dall, William Healey: Notes on the shells of the genus 
