CONUS. TS 
concavely elevated, with acute apex, striate; whitish, obscurely 
doubly banded with clouds of light chestnut, and spire macu- 
lated with the same. Length, 1-4 inches. 
China, Philippines, Australia, Tahiti? 
C. precellens, A. Ad. (fig. 88), is a not fully mature specimen, 
and C. turriculatus, Sowb. (fig. 89), is still younger. 
C. ACULEIFORMIS, Reeve. PI. 23, figs. 90-94. 
Narrow, with elevated spire; encircled with equidistant punc- 
tate grooves, and flat interspaces ; white, with light chestnut spots 
and two interrupted broad bands of chestnut cloudings. 
Length, 1-1-5 inches. 
Australia, Philippines, China. 
C. vimineus, Reeve (fig. 91), C. insculptus, Kiener (fig. 93), 
C. longurionis, Kiener (fig. 94), and C. gracilis, Sowb. (fig. 92), 
appear to be very nearly identical; they can scarcely be classed 
as varieties. 
C. p’OsBieNy!, Audouin. PI. 23, figs. 95, 96. 
Spire elevated, closely striated, coronated ; body-whorl con- 
tracted below, encircled with punctured channels; yellowish 
white, clouded and spotted with light chestnut, and forming 
three interrupted bands. Length, 1°5—2-25 inches. 
China, Japan, Philippines. 
The synonymy includes C. planicostatus, Sowb., and O. gemmu- 
latus, Sowb. (fig. 96), the latter a young shell. 
C. ARMIGER, Crosse. PI. 24, fig. 97. 
Spire elevated, with compressed tubercles at the sutures ; body- 
whorl encircled by tuberculated strix ; yellowish white. 
Length, 1°25 inches. 
Habitat unknown. 
Has much the appearance of the foregoing species. It is sup- 
posed to bea fossil. First described by Kiener as C. crenulatus, 
a name preoccupied by Deshayes, and therefore altered as above 
by Mr. H. Crosse. f 
C. arcuatus, Brod. and Sowb. PI. 24, fig. 98. 
Shell broadly and angularly shouldered, spire concavely ele- 
vated, apex acute, body-whorl somewhat contracted below, with 
revolving striz, sometimes obsolete above ; white, marbled or 
