^ 19.6 mm. ^ .l.G mm. 



(^iiii) mm i^m, mil mm, mm, 'M^m (:^mxb'W^m(Dm 



nmm, Challenger.) 



7^|i]!li^^ T. polygyrata, T. torquata, T. suhtextilis ^(l|nf0.-y" ^ h^ 



17. T. SEROTINA Adams & Eeeve, 1848. b/+'j^'b C^)\\) 



— , Adams & Eeeve, Zool. Samarang, 1848, p. 30, pi. 10, 

 fig. 20; — , Tryon, Man. Conch, vii, p. 29, pi. 8, fig. 53; 

 — , Pilsbry, Cat. Jap. M. M. !>. 12. 



—' O^^ b^'^O, ^)\\, I'relini. Cat. Jap. Moll., 1900, p. 

 36 (.^;il, Cat. Jap. Moll., 1909, p. 42 0^(:^[^t)- 



18. T. TORdUATA A. Adams & Reeve, 1848. -^XUs^'U aW) 



T. torquata, Ads. & Rve., Voy. Samarang, Moll.. }). 30, 

 pi. 10, fig. 13 ; Id., Reeve, Conch. Icon. Tcrehra, j)l. 15. 

 fig. 69 ; Id., Lischke, Jap. Meer. Conch., 1874, p. 39 ; Id., 

 Tryon, Man. Conch, vii, p. 20, pi. 5, fig. 78; Id., Smith, 

 Proc. Zool. Soc. 1879. p. 184; Id., Pilsbry, Catal. Mar. 

 Mol. Jap., p. 13. 



T. serotina, t ^ ^ y ;^' t , 2^-^, 1^^gi^, 947 (not of 

 Adams & Reeve) 



xmv^^i hm^o:)mM:h b- 



^, 55 mm. t^, 9 mm. 



,, 44 mm. „ 7 mm. 



„ 46 mm. ,, 6.5 mm. 



{jtm mm; 'ik'm; ief>; ;^Bl§ (Lischke); ^% (St. John); R^ 



[11] . 



