ANCILLARIA. 



Plate YI. 



Species 15. (Fi^'. «, h, c, Mus. Cumiiig.) 



Ancillaria ventricosa. Aiic. ledii ovatd, cramitsculd, 

 ventricom, ciuiiamomed vel cinnmiionieo-riifd, spird 

 ahbrcvialo-acumiuatd, aiifradibns siiperiie dedwibiiis, 

 columelld truncato-conlorld, ehnriud. 



TiiK VENTKicosE Ancillauia. Shell ovate, ratlier 

 tliick, veiilricose, ciininnioii or einiiainon-recl, spire 

 shortly acuminated, whorls sloping round the upper 

 ])art, coluuiella truiicately twisted, ivory-while. 



Lamarck, Anim. sans vert. vol. x. p. 590. 



llah. lied Sea. 



This well-knouu species varies in colour tVoni a dark 

 oinnanion to a einuamon-red, but the red never approaches 

 the peculiar orauge-red of A. aparla. 



Species l(i. (Fig. a, h, Mus. Taylor.) 



Ancillauia apekta. Jtic. tesid ohloniio-ucutd, navi- 

 Jbri/ii, injiutd, unraittio-rrijd, spird hint, mihiiiimersd, 

 sulitris liiiLcaUosis, aiifractibus mipcnie obtuse anf/ula- 

 tis, columelld subcuulortd^ eburued. 



The open Akcillaria. Shell oblong-ovate, boat- 

 shaped, inflated, orange-red, spire short, partially 

 innuei'sed, sutui-es I'ather callous, whorls obtusely 

 angled at the upper part, columella .slightly twisted, 

 ivory-wdiite. 



SowEUiiY, Tankerville Cat. App. ]>. 33. 



Jlab. Zanzibar. 



An oblong boat-shaped species of great rarity, distin- 

 guished by a peculiar orange-red colour. 



Species 17. (Fig. a, b, !\Ius. Cuming.) 



AnciLLARIA castaNEA. Jiic. testa ovatd, crassiuscnld, 

 ventricosa, cinnainomeo-fiiscd, spird abbreciato-acu- 

 minald, anfractibiis siipenie declivibus, delude tumidis, 

 ad basin sulcutis, columelld truncalo-contorld, ebur- 

 ned ; aperturd ad basin dentatd. 

 The chestnut Ancillaria. Shell ovate, rather thick, 

 ventricose, cinnamon-brown, spire shortly acumi- 

 nated, whorls sloping at the up])er part, then tumid, 

 grooved at the base, columella truucately twisted, 

 ivory-white ; aperture toothed at the base. 

 SowERBY, Spec. CJoneh. p. 5. f. 20-23. 

 Ilab. Ked Sea. 



Very like A. ventricosa, but distinguished liy the pre- 

 sence of a constricted groove round the base, w hich deve- 

 lopes a small tooth on the uuirgin of the aperture. 



Species IS. (Fig. a, b, c, Mus. Cumiug.) 



Ancillaria fulva. Anc. testa ovatd, crassd, callosd, 

 fulvo-fuscescente, interdum earned, opaco-albo striyatd, 

 spird brevi, anfractibns declivi-convcris, coluvielld 

 iruncato-contortd , alba. 



The eulvous Ancillaria. Shell ovate, thick, callous, 

 fidvous-brown, sometimes flesh-tinted, streaked with 

 opaque-white, spire .short, whorls slopingly convex, 

 columella truucately twisted, wdnte. 



SwAiNSON, Journ. Sci. Lit. and Arts, No. SO. 

 .lucillaria varierjata, Soiverby. 



llah. Red Sea. 



Of a thicker and more callous growth than -•/. ventricosa, 



muddy-fulvous in colour, passing to a bright flesh-tint 



streaked with opake-white. 



November, lSC-1. 



