12 TIAEIDJ3. 



Var. tirouri, Ferussac, Quoy & Gaim. Voy. de 1'Astr., Zool. iii, 

 p. 159, pi. Ivi. figs. 38, 39 (as Melania tirouri) ; Nevill, Hand List, 

 pt. 2, p. 226. ' 



Original description : Testa turrita, solida, crassa, rudenter 

 transversim sulcata, albida; anfractibus plano-eonvexis ; postiee 

 sulco impresso divisis ; spira erassa, truncata ; apertura ainpla, 

 ovali et caerulea. 



Alt. 54 mm. 



JJab. Celebes ; Philippines ; Puniar River, Cuddalore (Beddome) , 

 Vizagapatam (Stoliczka) ; Audamans (Roepstorff). 



Var. confusa, Dohrn, Nevill, Hand List, pt. 2, p. 225. 



Melania confusa, Dohrn, P. Z. S. 1858, p. 135 ; H. & T., C. I. pi. 72, 



fig. 4. 



Original description : Testa turrita, solida olivacea vel nigricans ; 

 anfr. 10-11 planulati, spiral isulcati aut varicosi, longitudinaliter 

 striati ; apertura oblonga, albida, non detmncata. Operculum 

 corneuui, nigrescens, oblongum. 



Alt. 72, diam. 18 mm. 



Aperture: alt. 22, diam. 11 mm. 



Hob. Ceylon. 



22. Tiara (Radina) clavus, Lamarck. 



Tiara (Radina) clavus (Lamarck), Hist. Anim. s. Vert, vi, 1822, 



p. 165. 



Melania acuminata, Dkr. Phil. Abb. 



Melania acus, Lea, P. Z. S. 1850 ; Reeve, Con. Icon. %. 92. 

 Melania gaudiosa, Hinds, A. M. N. H. xiv, 1844 ; Nevill, Hand List, 



pt. 2, p. 223. 



Shell shortly subulate, spire sharply acuminate towards the 

 apex, horny, rather thin, livid purple, white at the sutures ; whorls 

 twelve to thirteen, rather flat, the first longitudinally ribbed, the 

 rest smooth ; aperture ovate, columellar margin callous white. 



Alt. 25, diam. 85 mm. (Eeeve, Con. Icon. fig. 92 as M. acus, 

 Lea.) 



Hab. Nicobars (Levitt). 



Var. sobrius, Lea. 



Melania sobrius, Lea, P. Z. S. 1850, p. 181, and Reeve, Con. Icon. 

 figs. 32, 80 ; Nevill, Hand List, pt. 2, p. 223. 



" of a plain uniform colouration, without traces either of 



spots or bands." (Nevill.} 



Alt. 31-5-39 5, diam. 10-1275 mm. 

 Hob. JNlcobars. 



