58 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
acutioribus, subreflexis, interdum latis, plerumque lineis irregularibus mar- 
gini spirae recto parellelis ascendentibus, rarius juxta suturam subnodosis; 
apertura ovata. Long., 1.05; long, spir., 0.08; lat., 0.36 poll. (Carpenter.) 
Shell rather thin, white, whorls ten, rounded, scarcely in contact, 
with eight to fifteen (usually about twelve) lamellae, narrowly aculeated at 
the top of the whorls. 
Type in United States National Museum. Type locality, Neah Bay. 
Range. Forrester Island, Alaska, to Todos Santos Bay, Lower Cali¬ 
fornia. Fossil: Pleistocene—Santa Barbara, San Diego, San Pedro, 
California. Pliocene—San Pedro, California. 
Described as Scalaria. 
Epitonium tinctum Carpenter, 1865 
Annals and Magazine of Natural History, series 3, 15:31. Tryon, Manual of Con - 
chology, 9; PI. 14, fig. 49. 
6\ indianorum costis acutis, haud reflexis; anfractibus postice fus- 
copurpureo tinctis. (Carpenter.) 
Costae acute, not reflected, whorls posteriorly tinged with brownish 
purple. (Tryon, Manual of Conchology .) 
Type in United States National Museum. Type locality, Cedros Island, 
Lower California. 
Range. Monterey, California, to Gulf of California. 
Described as Scalaria indianorum tincta. 
Epitonium subcoronatum Carpenter, 1866 
Proceedings of the California Academy of Sciences, 3:221. 
S. t. compacta, haud elevata alba; anfr. x. rotundatis, parum attin- 
gentibus; costis circ. xiii acutissimis, expansis, vix reflexis, postice attin- 
gentibus, lineis margini spirae dextro parallelis spiram, ascendentibus, t. 
adolesc. postice vix coronatis, adulta simplicibus; apertura subcirculari, 
umbilico nullo; sculptura spirali nulla. Long., 0.45; long., spir., 0.29; lat., 
0.22 mm. (Carpenter.) 
Like young communis, with more and sharper ribs, faintly coronated 
when adolescent. (Carpenter.) 
Type in California State Collection, No. 393a. Type locality, Mon¬ 
terey, California. 
Range.. Vancouver Island to San Diego, California. 
Described as Scalaria subcoronata. 
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