138 OXY-MI . \. -"1 III AMKKICAN. 



a cold, faint Mesh-tint on the last whorl, with three more or less 

 noticeable spiral bands, the median one most persistent, narrow, and 

 nearly continuous, the others wider, fainter, and often discontinuous 

 or obsolete ; longitudinally marked with light purple or bluish-brown 

 undulating stripes, frequently mingled with narrower straight brown- 

 ish ones in the direction of growth-stria 1 , or entirely without stripes; 

 variees narrow and rather numerous, often three or four on the last 

 whorl. Apex generally with a minute brown dot. Whorls I! to 7. 



Aperture ovate, purplish-flesh-tinted inside, showing the external 

 markings; parietal callus thin, light chestnut, with paler streaks; 

 peristoine simple, narrowly dark edged. 



Alt. 48, diam. 29, longest axis of aperture 20 mill. 



Alt. 44, diam. 26, longest axis of aperture 26 mill. 



Alt. 67.8, diam. 40, longest axis of aperture 36.4 mill. 



Venezuela: Maracaibo (Gruner, C. F. Penny); Han-dima (C. 

 Blume) ; /. of Margarita (Couthouy); near t/tf. Lake of Valencia 

 (Moritz); Caracas (Lansberg); An<jxtnra. on the Orinoco (Gruner). 

 < 'tilninliid : J^etj ion of the lower part of the It. Magdalena, in holes in 

 tree-trunks, not higher than six feet above the ground (AVallis); 

 liari-ani/nilla ( Swift), Santa Maria (( ;mkopt"); l!!<i <!<> In llaclia 

 (AVcsM'l, Swift); Snr<ina (*r/a/<' at Santa Maria a/nl \ a/lri/ < \>sai 



( Sir\ n> j; Sierra Nevada^ OK the trunk.- of Hecastophyllum dubium 

 (family Papilionacese), and at I'rm/iidi in the Cordillera de Los 

 Amirs (Sii-MTs). ]'.< na/lur : San Juan <li' la < 'nsia ( Ueiss). Pirn: 

 Ma i a], on R. ( AVarsehewit/.). 



xls I'M;., .Malak. Ulatt. iii, p. IS 6 (1S">6); 

 r. iv, p. .">>s.- ,M.\i; i INS, Binnenmoll. Venezuela's p. '!-. in 

 J''i--t-rln id /HI- l-'i-ier ilrs l(Mi-j;ilirigen Bestehens der Gesell. Nalur- 

 foi-M-li. Kreunde /.u Uerlin, p. l.s.s, pi. 1 , f . 7 (1*7:1). SlREBEL, 

 lieitr. .Alex. Land- nnd Sn--\\ as-i r-( 'on eh. v, p. 27, pi. '', t. s ", /', ''. 

 Orthalicus ferussaci \. AI.\I;M NS, Binnenmoll. Venez,, p. 32 1 \ 

 pi. 1, f. ('>.- (h fdlirlinx fi'i nssaci v. .AI.\i;ii.NS in part (all South 

 American loealim < and r. -teri'iiei-- ). Iliolojjia ( '.utrali-Ainericana, 

 ]\Ioll., p. 1>1. Orthalicus ferussaci forms A and C, S i m.r.i i.. lieitr. 

 AI--X. Land- mid Sii\\arr-( 'om-li. \. pp. 1S-21, -'.\< 21, pi. 2, f. 4 

 . /,. :, 0| ', a ,/. 7. -.1 a, l>. s (shell), ].l. H'. f. 2, (\, 17, pi. 12, f. 4, 5 

 (anatomy). ? <>. fu-!,,,-, />s form 10, Sn;i r.i i., t. C., p. 16, pi. '', f. 2, 



