20 TIAKIDJE. 



33. Tiara (Striatella) crebra (Lea}. 



Tiara (Striatella} crebra (Lea), P. Z. S. 1850, p. 193 (as M. crebra} ; 

 Reeve, Con. Icon. 1860, sp. 162 ; Tar. from Nicobars, Brot, pi. 33, 

 fig. 2, as of Sect. Tarebia ; Nevill, Hand List, pt. 2, p. 238. 



Original description : Testa cancellata, elevato-conica, crassa, 

 tenebroso-castanea ; spira valde elevata ; anfractibus decem, con- 

 vexiusculis, ad basim striis impressis ; apertura parvula, ovata, 

 intus albida ; ad basim rotunda ; columella incurvata. 



Alt. 37-5, diam. 12-5 mm. 



Hob. Philippines (Lea) ; Preparis Isd., Bay of Bengal (Stol- 

 iczka, Wood-Mason') ; S. Andaman (Roepstorff) ; Nancowri and 

 Katchall, Nicobars (Roepstorff). 



Subvar. emaciata, Nevill, torn. cit. p. 239. 



" Besides the more contracted whorls the coloration is darker 

 and the longitudinal sculpture less developed." 

 Alt. 28*5, diam. 7 mm. 

 Hob. Katchall and Nancowri, Nicobar Islands (Roepstorff). 



34. Tiara (Striatella) rivularis (PMUppi). 



Tiara (Striatella) rivularis (Philippi), Abbild. ii, pi. 4, fig. 6, 1847. 

 p. 171 ; Nevill, Hand List, pt. 2, p. 247. 



Original description : Testa turrita, virescente, apice decollata ; 

 anfractibus 7, convexis, sutura prof unda divisis, transverse striatis, 

 superioribus lineis runs longitudinalibus, medianis serie transversa 

 punctorum infra suturam, pictis ; apertura ovato-oblonga, superne 

 acuta, basi effusa ; labro basi valde producto. 



Alt. 20, diam. 6-75 mm. 



Hab. Java ; Andamans (Roepstorff). 



Var. subunifascialis, Nevill , torn. cit. 



" .... the spiral striation is more or less obsolete on the upper 

 portion of the whorls, imparting a very characteristic appearance 

 to the shell ; basal band round the columella not visible within 

 the aperture/' 



Alt. 19 (whorls 8^), diam. 6 mm. 



Hab. Andamans 



35. Tiara (Striatella) pyramis (Benson). 



Tiara (Striatella) pyramis (Benson), as Species B, Gleanings in 

 Science, no. 13, 1830, p. 22 ; Hutton, J. A. S. B. xviii, 1850 

 pt. 2, p. 658 ; H. & T., C. I. pi. 110, figs. 3, 4. 



Original description : Shell subiilafce-turreted, translucent ; 

 whorls depressed, with longitudinal and transverse rug*, which 

 give a decussated appearance to the upper whorls. Colour pallid, 



