< i .1:1 i mi M. 



( . \:\:\ i in; BOOT \-i . Lain, I'l. 20, fig, U'. 



Shell smaller than ( '. mnlu/n.*uin. with similar hut neati-r -nilp- 

 ture ; givyi>h with miim-nni- -mail diest nut -put- iimn- >r |r r..n- 

 Hiiriit into longitudinal Btreakfl, Length _'"> -') in. 



I Mi-pect that Iliis will prove si >yiionym or at lea.-t only a 

 variety of ('. nnilnfi^inn. Tin- syimnyins arc f '. *fritituni, Sclirn-!-r. 

 and r. tnbi-mxum, of Hccvc and Snwcrhy. Thr hittrr name l.ciiiL r 

 preoccupied l\v (JraU-lcmp for a fo.-.-il s|r-ir>. layl<- lia- rluiii^-il it 

 to C. <nni*#nni. 



C. COLl-.MNA, Sowl). H. "JO. ii-s. 17-20. 



Shell with usually alternate larirer and smaller spiral ril^<>, tin- 

 larger ones more or less tuherculate, and hoth ero^inn- >omewhat 

 distant pinched nj) Longitudinal I'ihs ; uTevish, between the rihs with 

 che-tnut or chocolate dots and lines more or less confluent, interior 

 sometimes white, sometimes chocolate-lined on the spiral ridges. 

 Lciiirth, 1-1/5 in. 



Mauritius, r/i if /'/>]>! nr.< - Central JTV//// <>/'//. 



It is C. echimttum, Kiener, C. Menkei, Desh. (fig. 19), from /. of 

 Bourbon. 



Yar. SCABRIDUM, Reeve (not Phil.). Fig, 20. 



Smaller, stria- scabrous, canal shorter and more open. 



Red Sea. 



C. CITRINIM, Sowl). PI. 20, figS. 21-23. 



Solid, spirally striated, with distant, large, rounded longitudinal 

 plaits, last whorl with a single varix, rounded below, canal long and 

 curved; whitish, clouded with citron color. Length, 1'5 in. 



Philippines* 



I think that C. *i/>ln>nnfuiit, Sowb. (fig. 23), will prove synonym- 

 ous ; C. bicolor, Hombr. et Jacq. (fig. 22), also appears to be iden- 

 tical, or at least only a variety; finally the whole are probably 

 mere varieties of C. column'!. 



C. SUTURALE, Phil. PI. 20, tig. 24. 



Longitudinally nodulosely ribbed, ensed by spiral lines, outer lip 

 crenulated ; whitish, with a chocolate sutural band. Length. 1 in. 



C 1 . i:< HINATI-.M, Lam. PL 20, figs. 2">-27. 



Covered by revolving riblets, some of them bearing strong, pointed 

 series of nodules, other- alternately larger and smaller and unarmed, 



