189 
2909 Sanguinolaria Hanleyi Bertin. 
Baja Cal. to Panama. 
2910 Sanguinolaria Nuttallii Conrad. 
Southern Cal., Santo Domingo, Baja Cal. Japan. Type species. 
2911 Tagelus violascens Cpr. 
Gulf of Cal. to Nicaragua. 
2912 Tagelus affinis C. B. Adams. 
Santa Barbara, Cal., to Panama. 
2913 Tagelus politus Cpr. 
San Pedro, Cal. to Panama. 
2914 Tagelus subteres Conrad. 
San Diego, Cal. Santo Domingo, Baja Cal. 
2915 Margarita sharpii 
Pilsbry, l. c. 1898:486. Unalaska. 
2916 Pristiloma Pilsbryi 
“‘Shell imperforate, translucent, light horn colored, polished; 
suture deep; spire depressed, composed of 5% slowly increasing 
whorls; first 2 whorls are smooth, others deeply radially sulcate, 
the sulci fading out at the periphery, making the top of the whorls. 
flatly nodulose. About 52 nodules on last whorl. Base smooth, 
squarely convex, giving the shell the form of a thick rounded disc. 
Mouth narrowly lunate. Lip sharp, rather sinuous at base, with a. 
slight callus near the columella as in P: Stearnsi; columellar lip 
slightly reflexed. Alt. 1:68; greatest diam. 2.56; least diam. 
2.4 mm.’’—Vanatta, Phila acad pr 1899:120. 
Type locality:—Portland, Oregon (Hemphill). 
2917 Pristiloma Taylori 
Pilsbry, 1. c. 1899:185 t 9 f 6-8. 
Type locality:—-Nanaimo, Vancouver Island (G. W. Taylor). 
2918 Pristiloma arctica 
Pilsbry, 1. c. 186, based on Hyalina arctica Lehnert. Point. 
Barrow, Alaska. 
2919 Ashmunella altissima 
Pilsbry, 1. c. 192, based on Polygyra altissima Ckll., Nautilus 
12:76. Sierra Blanca, N. M., 11,092 ft. (Townsend). 
2920 Eulima Lowei 
“Shell small, smooth, shining, white, 1 or 2 median whorls. 
pink tinted from the animal dried within, opaque, spire bending 
forward, the outline nearly straight in front, convex behind. In 
the face view the shell appears straight. Apex decollated and 
small. Suture impressed, slightly ascending toward the aperture. 
Ten whorls remaining, the last 4 each having an impressed varix 
near the right side. Whorls of spire a little convex, body whorl 
slightly and very obtusely angular at the periphery, rather flat- 
tened above and below this angulation, base sloping, slightly con- 
vex. Aperture trapezoidal-ovate, outer lip thickened, sharp, re- 
versed sigmoid in profile, inner lip angular at the junction of the 
columella and parietal wall. Columella heavy, concave; parietal 
wall with a thin callus, convex. Alt. 6.85, diam. 2.66, length of 
aperture 2.09, breadth of aperture 1.33 mm.’’—Vanatta, Phila. 
acad pr 1899:254. 
Type locality:——-Long Beach, Cal. (H. N. Lowe). 
2921 Eulima Bistorta 
“Shell small, smooth, shining, opaque, bluish white, apex yel- 
