CLATHURELLA. 279 



C. GUILDINGII, Reeve. PI. 18, fig. 44. 



Whorls slightly concavely shouldered above, nodosely plicated 

 beneath, transversely very closely striated ; very dark chocolate 

 or blackish, interior same color. Length, 8 mill. 



West Indies. 



C. ANTILLARUM, d'Orbigny. PI. 20, figs. 82, 85, 88. 



Whitish, whorls clathrate, slightly, narrowly shouldered. 



Length, 5-9 mill. 



West Indies. 



I think that C. Lavalleana, d'Orb. (fig. 85), and C. Vespuc- 

 ciana, d'Orb. (fig. 88), are synonyms. 



C. CARIB^EA, d'Orb. PL 20, fig. 87. 



Distinctly shouldered, longitudinally costate, encircled by 

 thread-like lines ; light yellowish brown or whitish. 



Length, 4 5 mill. 



West Indies. 

 C. ELATIOR, d'Orb. PL 20, fig. 84. 



Shell finely clathrate, whitish or light brown. Length, 4 mill. 



West Indies. 

 C. RUBRICATA, Reeve. PL 18, fig. 29 ; PL 20, fig. 83. 



Very distantly ribbed, closely transversely striate ; yellowish 

 white to chestnut-colored. Length, 6 mill. 



West Indies. 

 I think C. Auberiana, d'Orb. (PL 20, fig. 83) is a synonym. 



C. CANDEANA, d'Orb. PL 20, fig. 93. 



Whitish, spire longitudinally plicate, body-whorl without 

 sculpture except a few revolving lines at the base. 



Length, 4 mill. 



West Indies. 

 C. MACROSTOMA, Reeve. PL 18, fig. 27. 



Whorls convex, spire obtuse : ribs rounded, large, close, oblique, 

 vanishing below, aperture very narrow, sinuous ; bluish purple, 

 lineated transversely with red. 



West Indies. 



Figure greatly magnified. 



C. OOCIDENTALIS, Reeve. PL 18, fig. 28. 



The close longitudinal ribs are nodosely decussated by narrow 

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