CLASS GASTROPODA 
199 
Genus MARGARITES Leach, 1847 
Shell thin, globular-conical, umbilicated; whorls rounded, smooth; 
aperture rounded, pearly; lip sharp, smooth. (Tryon, Structural and Sys¬ 
tematic Conchology .) 
Type. M. helicina Fabr. 
Distribution. Boreal. 
Described as Margarita. 
Margarites parcipicta Carpenter, 1864 
Plate 101, fig. 4 
Supplementary Report, British Association for the Advancement of Science, 653. 
Proceedings of the California Academy of Sciences, 3:157. Dali, Bulletin 112, 
United States National Museum; PI. 17, fig. 3. 
Like strong growth of Margarites lirulata var. Carpenter. 
G. testa solidiore, parva, conica, pallida, purpureo-fusco varie nebulosa 
et maculata; anfr. v., rotundatis; carinis ii. validis in spira se monstranti- 
bus, minore intercalante; interstitiis subsuturalibus, sublaevibus, inter Cari¬ 
nas obtuse decussatis ; lira peripherica definita, saepe in spira se monstrante; 
basi valde rotundata; lirulis basalibus circ. v. rotundatis, subdistantibus; 
apertura subcirculari; columella arcuata; umbilico majore, infundibuli- 
formi, haud angulato. Long., .14; long, spir., .07; lat., .13 poll. 
With rather solid shell, small, conical, pale, nebulous variety mottled 
with tawny purple and spotted; with five rotund whorls; with two carinae 
showing strongly on the spire, with a smaller one intercalating; with sub- 
sutural interstices nearly smooth, obtusely crossed between the carinae; 
the peripheral ridge is defined, often showing itself on the spire; with 
base strongly rotund, with about five rounded sub-distant basal lirulae; aper¬ 
ture subcircular; columella arcuate; umbilicus rather large, funnel-shaped, 
not angulate. (Translation.) 
Type in United States National Museum. Type locality, Neali Bay, 
Washington. 
Range. Sitka, Alaska, to San Diego, California. 
Described as Gibbula. 
Margarites funiculata Carpenter, 1864 
Supplementary Report, British Association for the Advancement of Science, 653. 
Annals and Magazine of Natural History, ser. 3, 14:425. Dali, Bulletin 112, 
United States National Museum; PI. 18, fig. 10. 
Shaped like Montagui: with rounded spiral riblets. (Carpenter.) 
G. testa parva, elevata, compacta, fusca; marginibus spirae excurvatis; 
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