RI8B01 \. 



'//" , t ModtorroneaiH \ '. M 



'. \ \ 

 The >\ imnyms include /,'. //////////>>/'///. Mich.. /,'. /,//////// 



Forhe-. /,'. .< inlrnxtufil, Tlirton, /'/////////'.< >li.<m,:< ;iiid i'<iinli(JU8 t 



Brown, /'. t/i'tit'ilift, Mac,'.. /.'. Miirinim, Mac_r. Tin- A merinm 

 localities arc for /'. ///////////////. Siimpson i 1!^. 7-5 , which a|>| 

 to Itc identical. 



Yar. I.IIIATA, Watson. 



Kihs and basal spiral sculpture stronger. 



Madeira. 

 K. 8AXATIU8, M.iller. IM. IU, figs. 87, 88. 



[mperforatej thin; whorls 4, very convex, with <leep suture, 

 spirally cin^ulat(Ml ; yellowish white, translucent. Length, '! mill. 



R. <tr<*f /'m, Lovi'n, and, I think, E. leptalw, Ve n -iH , fi^. - 

 who has so named a single specimen occiirriim' in New Knirland 

 waters, are synonyms. 



R. ACULKUS, Gould. PI. 70, fi-. (i4c. 



ImpiM-loratc, hut with a slight deju-ession partly covered l>y the 

 inner lip, apex blunt; whorls U, moderately convex, with n-irular. 

 crowded microscopic, spiral lines; aperture simple, entire; liirht 

 yellowish horn color. Length, 3'5 mill. 



Some Kuropean authors eonsider this a syiionvm of Jf. 



Alt,-. 



U. A I TIMS, .lellrevs. PI. i;r>. fi- :',!). 



Kathei- thin, semitransparent, ,'lossv, whitish ; whorls 4, slightly, 

 indistinctly spirall) striate; apex blunt; outer lip thin, somewhat 

 expanded. Length, 1^7"> mill. 



1 '/'/ 



Has {'ewer whorls than /,'. xfritifn or A'. QCuleUt, and they ar> 

 convex than in /.'. 



l\. \I:I:NAI:IA, Mi^hcls and Adams. I'l. <;:'>, fiL 1 --. 74. 7". 



Whorls (J, convex, lonu'it udinally subplicate, minutely spirally 

 striate. suture impre->ed, \\hitish. Length, *J-.") mill. 



(,'," ii/'iiiti < 'iinml'i. Mnu" 



Stimpson changed the name to /,'. .I////////*/ n account >t' Tur/m 

 orenariu* Mi-, f Maton, Turton. etc., which, howex i-. i- ' / 



>'///. /,'.'.'"/"/'/. Stimpson, is a -yimnym; but the tiiTHi 



