204 ORTIIAI.K i 8. 



Seem- to differ chielly in the ol.-ole>ence of part of the markings 

 of tin- typical form. The specimens figured \>\- Pfcilfer in the Novi- 

 tates ('niicholo.L'icac (see my h'gure 1-1) is evidently referable to this 

 race, if such it proves to lie. 



O. KELLETT1 (Keeve,. PI. 1.'., \\'J<. 23, lM. 



Shell ovate, rather veiitricose ; whorls 5, convex, roughly striated, 



somewhat plicately creimlaled at the sutures, last whorl much the 

 laiye-t ; columella thickened, pci-uliarly twi.-tcd. Aperture rather 

 elfused, lip thickened, rellected. Bluish-^ray. encircled with four 

 l.airds of a darker color, ami longitudinally lightning-marked with 

 narrow, waved and interrupted white streaks (AYe.) 



Alt. CO, diam. 34, mill, (from figure.) 



I-:,'un,lnr: type locality unknown (Kellett) ; Sntli<>rn Ecuador 

 (Dohrn); C>n'<-'i, ' '/<* roll,';/ <>f (Jintn, (Pa/, and Marline/, Orton.) 



KttUnnislellett;; HI-.KVK, Conch: Icon., pi. S'.i, f. r.C.l (Fell., is.'.ti). 



-Tii:.. Monoiir. iii, p. 305; iv, 368; vi, I'-'. Foiti-.Ks, P. /. S. 



is.'.u, p. .") 4 __ r,,r/>/i>/rofifi/>fie ki'f/i'ttif Keeve, DOIMIN, Jahrh. d. I). 



MalaU. (Jes.dl., ix, is.s-j. p. 1 1 2. Corsix, Hull. Soc. Zool. France 



xii, 1SS7. p. iOl. 



liiiHinna /nin/<t>n'iHn' lIil).M.<;o. Joiirn. de Coiichyl. 1S(' ( 7, p. ~'2, 

 pi. 4, f. 4 (typo.L'rapliical error tor ftni<i<i!rin<>i. see t. c. p. 4(')S)._ 

 H. I'liiH/nlrlnoi IIiD\i.(;o, .loiirn. de Conchyl. 1S7(>, p. 44 ; Viaje 

 al TaciKco i. p. ."*, pi. 3, f. H, '.. CRO8SB, .Tonrn. de Conchyl. 

 1S71, |.. :'.ir. __ Pi i;., ^lotn.v'r. vi. p. li; viii. p. 16. C/". Dohrn, 

 I.e. Porphyrobaphe fungairinoi Mn.!.i:it, Mai. HI. xxv. p. is."). 



COUSIN, liull. Soc. /ool. France, xii. p. 'JOH. liiilhinis Jnlrst 

 (Shuttleworth), lit PB, in Ca^llenaii, Kxpe.l. <lans 1'Amer. du Sud, 

 Moll., p. '!!, pi. S, f. 1, la (when- it is erroneously lettered /i. ln>n- 

 soiii Kee\e). 



If then, lie any division hetueeii typical b-lli'tti and the variety or 

 form niin/iiiriiK'i, the forim-r will he restricted to shells with lour 

 Mil.e(|iial liand> and wide contour, as in the original lijzures, pi. !.">, 

 liii-. -">, -I; and the varietnl name proposed liy Hidalgo will inclmle 

 forms with the ii|)per hand narrow, the median wider, and the two 

 lia-n! li:m<N \\ide ;md to a greater or less extent coalescent, the whole 

 shell hein^r of narrow contour (pi. \~>, I'm-. -"' ^S). 



In the variety /W,,,/r, ,>/,/<-/, the folds lielow (he >uture are s..me- 

 tiim- \\idl-developed, as in tijr. 27, sometimes entirely ali.-ent, as in 



