MARGINELLA.— Plate XXII. 



A very rlistinct, pear-shaped species of porcelain-white, 

 particularly rounded and bulbous-like at the spire. 



Species 121. (Mus. Cuming.) 



M.\Er,iNELLA CHKYSOMELINA. Marg. testa ovate!, cras- 

 siuscula, albidd, yutlk quadratis rufescentibus palU- 

 dusimi tessellatd, spird immersd, anfractibus superne 

 decUvi-ffibbosis, columella calloso-tmiiidd, minute quad- 

 ripUeatn. 



The gold-plated Marginella. Shell ovate, rather 

 thick, whitish, tessellated with very faint square 

 ruddy spots, spire immersed, whorls slopingly gib- 

 bous round the upper part, columella callously 

 swollen, minutely four-plaited. 



Eedfield, Ann. New York Lye. Nat. Hist. 1848, p. 492. 



Hab. Island of St. Thomas, West Indies. 



This may prove to be an outlying diminutive form of 



the Venezuelan M. maculosa. 



Species 122. (Mus. Cuming;.) 



Marginella tukbinata. Marg. testa sMrigono-ovald, 

 solidiusculd, favescente-albd, spird parvd, anfractibus 

 superne tumidis et decUvi-angulatis, ad angulum cre- 

 nulato-pUcatis, labro crasse rejhxo, continue, culumelld 

 quadripUcatd. 



The turbinated Marginella. Shell somewhat tri- 

 angularly-ovate, rather solid, yellowish-white, spire 

 small, whorls swollen and slopingly angled round the 

 upper part, crenulately plicated at the angle, lip 

 thickly reflected, continuous, columella ^ur-plaited. 



SowERBY, Thes. Conch. Marg. p. 385, pi. 75. f. 70, 71. 

 Marginella albina, Gaskoin. 



Hab. Australia; Strange. 



Distinguished by a character which does not appear in 

 any other species of the genus, — a crenulnted plication 

 round the upper part of the whorls. 



