190 TRXFOBia 



T. BILAB1B, Hinds. PI. :!!. ti-. 63. 



Whorls 14, tricarinate, the two lower carime subdual, whitish, 

 the upper one a little larger, maculated with chestnut. 



Length, 10 mill. 



Pacific Ocean (Hinds-. 



T. IN. -i-i--. Peaae, 1M. 89, fig. JM. 



Wh<>rl> encircled by three prominent, smooth, regular ribs, 

 interstices deep, very finely longitudinally striated ; irregularly 

 spotted and marbled with various shades of yellowish white, brown 

 and purple. 



Sandwich Is., Isle of Bourbon. 



The last named locality is for T. triliratus, Desh., which Pease 

 Considered a synonym. 

 T. i.i:.\ i IIOVKKSIS, Ads. and Reeve. PI. 39, fig. 58. 



Shell dextral, whorls 17-18, concave in the middle, spirally tri- 

 carinate, the middle earina much smaller, the interstices minutely 

 concentrically striated, yellowish white. Length, 12 mill. 



( 'Jiina Sea. 



Differs from all the other species in being dextral, and for that 

 reason I have already included it in Cerithiopsis * as it has usually 

 been considered a Triforis, I repeat the description here. 



Unfigured and Doubtful Species. 



T. VAI:II;<;ATUS, A. Ad. (= T. Arthuri, Jouss.) St. John's, W. I. 

 T. DTFBEQUEN8, T. I'.IMA H<;rNATUS, C. B. Ad. PaiHinni. 



T. LA< TI:\. T. IANTHINA, T. MARGARITACEA, T. GRANULII I:R\, T. 



\ I M-ITI-A, T. I)lSTIN(;n:NDA, of Dllllker. Vlti Is. 



T. H AIM- 1:1: i, Jouss. (T. nltt-rnnta, Pease) .SW//J//-/VA l<. 



'\\ BIOOLOR, Pease. .s'////r//r/V// />. 



T. i -\- IATI -. Tenison Woods. T*innni<t. 



T. [HGROFUBCU8, and T. I.A ui ATfs, A. Ad. St/dm-if, An*fr>i/i<i. 



9, A. Ad. JH/HIH. 



T. LU8OBIU8, T. LUrBOLATUB, T. SOKUTI88IMU8, Tappanne-( 'anefri. 



GllillKt. 



T. iN'ii:i:i'ii. ATI'S i Ifiniykniif/}, T. CALCUUFERUB Loo Choo), T. 



. i in: \ i [JB, and T. OTTER \I.AKI> i ( '/,in<i N/ </s i, of (Jould. 

 T. KATAIM-. JoUflB. T. y/v/r/7/x. Pease, preocc. by himself). 



Saudirii-Ji /x. 



