A N C I L L A 111 A . 



Plate XII. 



Species 4'J. (Miis. Cuining.) 



Ancii.i.ahia balteata. Anc. tedd subfiisifurmi-oblongd, 

 nUeiilt' luted, croeato-tinctd, spird conicd, anfractibiis 

 siiperiw ancj alato-halleath, nmhUico suhangnsto. 



The belted Axcillakia. Shell somewhat fusiformly 

 oblong, shining yellow, tinged with saffron, spire 

 conical, whorls angularly belted nnind the upper 

 part, umbilicus rather narrow. 



SwAiNSOX, Sowb. Spec. Conch, f. 53, (U. 

 AiiciUin-'m niveci, Swainson. 



Hub. ■ ? 



There is much reason to believe thai this is only a form 

 of A. ijlubrula, in which the upper part of the whorls is 

 thickened into an angularly projecting belt. It is pro- 

 bably a native of the Gulf of Mexico. 



Species 50. (Fig. a, b, c, d, Mus. Cuming.) 

 Ancillaria Lienardi. Anc. kstd subyluboso-lurbhiatd, 

 vivide rufo-aurantid, spird breviiiscidd, anfraclibus 

 siipenie rotundalo-cuuvt'xis, iiiiibUico siibaiigiiisto, pro- 

 fando. 

 Lienard's Ancillaria. Shell somewhat globosely tur- 

 binated, bright redtlish-orange, spire rather short. 



whorls rotundately convex round the upper part, um- 

 bilicus rather narrow, deep. 



Bernakui, Journ. Conch, vol. vii. p. 303. pi. 10. f 4. 



llab. I'ernambuco, Brazil. 



This fine Brazilian species is well distingnisbed by its 

 subglobose form and peculiar reddish-orange colouring. 



Species 51. (Fig. a, b, Mas Cuming.) 



Ancillaria glabrata. Anc. testd fmifonni-oblongd, 

 anranlio-croced, spird mihelatd, anfractibus ad miiu7-as 

 comtricfm, deiude modice conve.ris, umbilico subamplo, 

 profnndo. 



The polished Ancillaria. Shell fusiformly oblong, 

 orange-saffron, spire rather elevated, whorls con- 

 stricted at the sutures, then moderately convex, um- 

 bilicus rather large, deep. 



Biiccinuiii glabruttim, Linufeus, Syst. Nat. p. 1203. 

 Eburnea glabrala, Lamarck. 

 AiicUlaria glabrata, Sowerby. 



Hab. G\ilf of jMexico. 



This well-known species is distinguished by its more 

 fusiform growth, and constricted elevation of the spire. 



November, 1S6-1. 



