II' I \l: 



T. MOM i;,,i /n i;,, Fficher, IM. 17. ti- 



Thick, whitish, li-ht il.-li ooioi DMtt ti 

 late and longitudinally rostate, the intei 

 of nodules ; aperture sii Icate \\ it liin. ha.-al margin pli. ;,!, e,,|um 



ella white, eubdentate a1 tin- l>a>e. Length. in mill. 



A 



?. tfODoeus, Gray. IM. 17. ii->. ;;, <;:>. ;: : IM. h 



Spirally siriatr. with three spiral ribs, which an- mmv or leflB 

 nodose, yellowish or irivyisli. sonielinie- indist inctlv land-d ,r 

 marliled with ehestimt, the 1'ihs, in fn-sli -periiiien-, .-hoeulate 

 colored, interrupted hy tin- white tuln-n-livs interior chotnnt Oft 

 chocolate color, liii'lit-handed at the liasi-. Len;_--th. \*-'2\ mill. 



Imln-A iitti-iil'iiin. Smith A i 



Fig. 66 represents the typical form ; a more elate. \v.rn 

 men is i-e]>resented in T. *nlnn>tln*Ufi, IMiil. ( iiir. ( >5.) 



T.Nat'tlr,,*;*, Kraiissi li- 117). and T. Inn ni^ihi IMiil. ti-. 86), 

 are also svmmvnis. 



T. Mti.tAins. (^uoy. IM. 4S, figs. 78, 76, 71, *'2, 77, i;i. 



Short ovate, closely spirally striate, the stria- nodulous aiove the 

 rounded j)eriphery, hluish urey, mottled with greyish white, roluni- 

 t^lla and a|)ertni-e chocolate color, the latter with a l>a-al white 

 band. Length, lo mill. 



Awn*inn />7., I'iti /<.. AtU 



T. echuiatm, Anton., T. grunm-nxtatiis, Reeve / / 



>-/s, Reeve (fi.ir. 7<5), and perhaps the doubtful 7 

 Anton (h'<r. 71), of unknown haliitat, are synonym-. 



Var. (iiiANosi-s, Phil. PI. 4S, fi-. 77, r,. 



Subconical, whorls flatti-ned ahovo, with an ohtn>e peripheral 

 :mrle, roughly granulated by longitudinal. cr--ed l>y spiral ridges, 

 the granules smaller, in spiral series on the ha-e. bluish gp 

 or less marbled, columclla and interior chestnut <-olor or liluish. 



Length, 12 mill. 



Frequently narrower, and more elate than the -prciim-n tiirnred. 

 T. <jlnn.^ Ueeve i fi.ir. 69), i> a -vnonym. 



T. ROQ00UB, Menke. IM. IN. ti-. 70. 



Solid, impert'orate. tumidly convex, >pirally linearly -n- 

 loniritmlinally strongly riblu-d. the inifr>ection- t'ormin- tul> 



