in FOB] 



in In-ill^ tniu'li thinner, with enar-n- -culpim- i 



reeniab grey, orange-yell o\\ .r ivddNi. n r colon oi 



without a hand ; .me variety i- \\ hit,-, \\iih | 



Tin- >yiionyms include /,. l\n,-il>i and //. mbtencbroM. 



L. i-iin-t,!, (innld //. (t'lni/iiinift, \\Vink., /,. mkmiOt A -I*. A 



lleeve, /,. nidi*, Cooper, /,. > mln-n^,. Selm-nek. I. Mand*chn 

 Sclircnck ( tiu\ .SJ), a d.-|)iv>scd vari.lv. 

 VJM-. BBBVIOULA, IMiil. l-'i--. 89, '.Ml, \~1. 



Whorls somewhat slopin^y flattened al>ve. the la-t \\itli ; 

 to.") spiral ril)s, and smaller, more nnnieroii> ..ues on tin- l.a- 

 principal ribs subnodulous ; olivaeeoii- or lro\vnish, varir^atfd and 

 st rivaled with white. 



L. b'l/trntn, llceve, and L. Souverbi'ii,- 

 synonyms. 



North ( 

 Var. ALKI-TICA, Dall. Fig. 91. 



Spire depressed, the nodules on the ribs more dcvrlnped. 



.I/- 

 L. RUDIS, Donovan. PL 41, figs. 92-4. 



Shell very solid, with short, sharp spire, snn>thish, usually 

 spirally linearly grooved; whitish, varying to oranirc-n-d. with 

 sometimes a lighter or darker peripheral band ; cnlumella callu*. 

 flattened. Length, 15-22 mill. 



Northern Europe and North Coast of tli- 



L. zonaria, Bean, and L. simplex, Reeve (fig. 96), from Cape V 

 Is., are synonyms. 



A very unstable species, as the following varieties te^t 

 Var. OBLIGATA, Say. Fig. 94. 



Whorls more convex and thinner, spirally ob^.letrly ridged; 

 columella broadly dilated, aperture a little produced below. 



(,',-> 



L. castanea, Desh., L. sulcata and L. Grnnlnii'liw. M nk / 

 carnata, Lov4n, L. costulata, Midd., and / i'i- , are syno- 



nyms. 

 Var. NIGRILINEATA, Gray. Fig. !)">. 



The engraved lines black. 

 Var. .ir(;osA, Mont. 



Smaller than usual, with stronir, sharp spiral i : iable in 



number, and sometimes alternately larger and smaller. 



Perhaps not distinct from Var. h/;>/nf<i. 

 16 



