3G TIABID.i:. 



olive, dotted, aud sometimes streaked with purple-rust; whorls 

 seven to uine, specially unequally striately ridged, slopingly angled 

 round the upper part, prickly spined at the angle, spines a little 

 descending in vai'ices ; aperture ovate," {Reeve, Con. Icon.) 



Alt. 13-26, diam. 7-11 mm. 



Aperture : alt 6-11, diam. 2'5-o-5 mm. 



Hah. India ; Pondichery, Madras (Blanford), Poona, Coi'o- 

 maudel, Cochin (ffanJej/ 4' Theobald) ; Ceyloii (Humbert) ; also 

 Timor (Lamairk) ; V^anikoro (QkO)/ 4' Gaimard); Java {Mousson); 

 JNew Guinea {Less.); Halmaheira {Landaner) \ also Mauritius and 

 Seychelles. 



Var. elegans {Benson). 



Melania elcr/aiis, Benson, J. A. S. B. v, 1836; p. 782, name only for the 

 unnamed turreted form in Gleanings in Science, ii, 1830, p. 22. 



Melania letter c, Ilutton, J. A. S. B. xvii, pt. 1, 1849, p. 6.)7 ; PI. & 

 T., C. I. pi. 73, figs. 0-7 ; Brot, in Conch.-Cab. 1877, p. 274, 

 pi. 28, figs. 9, 9 «. 



"Testa tui-rita, solidiuscula, cornea, pallide rubro punctata A^el 

 eleganter interrupte flammulata. Spira integra ; anfr. 9 conA'exi, 

 superne subangulati, transverse plicato-costati, piicis ad angulum 

 spinulosis, longitudinaliter lirati, eler/antissima r/ranoso-datJu-ati. 

 Apertura ovata, basi subanguste rotundata ; columella vix arcuata, 

 margiue dextro vix sinuoso." {Brot, in Conch.-Cab.) 



Alt. 16-32, diam. 7-5-12 mm. 



Aperture : alt. 7-11, dianj. 4-6 mm. 



Hah. Rivers Gumti, Belwa and Cen. 



61. Tiara (Plotia) datura {DoJn-n). 



Tiara {Plotia) datum (Dohrn), P. Z. S. 1858, p. 135 (as Melania) ; 

 Reeve, Con. Icon. pi. 32, sp. 213 ; H. & T., C. 1. pi. 73, fig. 10 ; 

 Nevill, Hand List, pt. 2, p. 281. 



Oricfincd descrijytion : — Testa oblougo-pyramidata, fragilis, dia- 

 phana, fusco-nigricaus, decoUata : anfr. 3-4 ad suturam augulati ; 

 supra plani, subtus vix convexi, in angulo iongis spinis, infra 

 medium lineis elevatis ornati ; apertura cserulea oblonga. 



Alt. 21, diam. 11 mm. 



Aperture: alt. 10, diam. 5 mm. 



Hcdj. Ceylon. 



62. Tiara (Plotia) acaiithica (/. 4' II ■ Lea). 



Tiara {Plotia) acanthica (I. & H. Lea), P. Z. S. 1850, p. 194 (as 

 Melania); H. & T., C. I. pi. 110, fig. 10: Nevill, Hand List, 

 p. 281. 



Original description : — Testa spinosa, ovato-turrita, varicosa, 

 trausversim lineata, subtenui, f usca ; spira elongata, couica, scalari- 

 formi ; apice truncata ; sutura lineari ; anfractibus superne angu- 

 latis varicibus distortis ; angulo spinis instructo ; varicibus magnis 



