nD | 
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Poh tin(t Peyote, aid . 50 | sed 2 ra ener Pleas | 
Length 26.5 mm, width 15, height 12; apex rounded, sculp-— 
ture of concentric grooves and striae. Sitka, to Monterey, Cal. ‘ia 
21:0683 Acmaea paleacea Gould. 246. a 
Maximum length 10, width 2, alt. 3 mm, commonly 2 mm ~~ 
high; delicate, the two sides parallel; lateral aspect low, triangu- — 
lar; apex at about the anterior third, acute, antrorse; surface ~ 
with delicate lines of growth and a few obtuse radiating ribs — 
along the dorsal slope at each end; color cinnamon brown. Mon- — 
terey to San Diego, Cal., on sea grass, etc. 
21:0684 Acmaea depicta Hinds, 1844 sub patelloida. 247. A 
Shell 7 mm long, 2.8 wide, 1.8 high; conical, with elongate- — 
elliptical base; apex inconspicuous, about one-fifth length from ~ 
posterior extremity; surface ornamented by radiating narrow — 
bands of color. | meee 
21:0685 Acmaea insessa Hinds, 1860 sub Patella. 240. 
Length 17, width 10, alt. 11 mm; dark brown, apex acute 
and darker, at least in worn specimens; sculpture of fine in- 4 
cremental striae; margin apex slightly anterior. Very variable, — 
often very elevated, usually rather thick. 
21:0686 Acteocina. 
Shell cylindrical or fusiform, spire conspicuous, apex sinis- 
tral, suture channelled, columella callous, single plainted. (Tor- 
natina A, Ad.). 
21:0687 Acteocina cerealis Gould, 1853 sub Bulla. 
Shell 4.5 mm long, 2 wide, spire 5, aperture 3.5; solid, ovoid- 
fusiform, white; spire prominent, of 3 or 4 whorls rising by regu- 
lar grades, and mammillate at tip; aperture linear above, gradu- 
ally widening forward. outer lip salient at middle, and very grad- 
ually approaching the body of the whorl posteriorly, unites to it 
before reaching the suture; columellar margin callous its whole 
length, with a strong fold at the base. Monterey, Cal., to Magda- 
lena bay, Baja Cal. (Orcutt). 
21:0688 Acteocina culcitella Gould, 1853 sub Bulla. 
Shell 11 mm long, 5 wide, body whorl] 10, aperture 8.5, 
thin, cylindrical, narrow posteriorly;spire only slightly elevated; 
apex acute; whorls 4 or 5, suture appressed, distinct; aperture — 
narrow anteriorly, gradually widening anteriorly to near anterior 
end, where it quite suddenly retracts to columella; columella 
with one plait. Monterey, Cal., to Magdalena bay, Baja Cal. 
(Orcutt). 
21:0689 Acteocina eximia Baird, 1863 sub Tornatina. 
Has a whorl less narrow anteriorly than A. culcitella, spire 
depressed nearly to rim of body whorl, a longer and narrower 
aperture, and a less prominent plait on columella. Vancouver | 
Island, to Magdalena bay, Baja Cal. 
21:0690 Acteocina harpa Dall, 1872 sub Tornatina. ,, 
Shell 6 mm long, 3 wide; distinguished by longitudinal ; 
sculpture on upper half of last whorl. Monterey, to Catalina 
Island, Cal. 
