32 MACRODONTES. 



M. GRAYANUS (Pfeiffer). PI. 13, fig. 88. 



Shell slender, turreted, rather solid, longitudinally very finely 

 striated and somewhat decussated by spiral impressed lines, cinnamon 

 colored. Spire turreted, the apex very much attenuated. Whorls 6, 

 slightly convex, the last about two-fifths the total length, deflexed in 

 front and becoming free from the preceding, carinated at the top and 

 base, having pits along the side. Aperture narrow, oblong, chan- 

 neled at the base ; peristome simple, expanded throughout, having 



7 teeth within, three within the right margin, four within the left, the 

 upper one tubercle-shaped, the second strong and lamelliform. Length 

 35, diarn. 11, aperture 14 mill, long, 7 wide (Pfr.}. 



Brazil (Pfr.); Theresopolis (Fruhstorfer). 



Bulimus grayanus PFR., P. Z. S., 1845, p. 73 ; Monogr. ii, p. 83. 

 REEVE, Conch. Icon. pi. 38, f. 229. Odontostomus grayanus H. 

 & A. AD., Genera ii, p. 152. Bulintus (Macrodontes} grayanus Pfr., 

 BOETTGER, Nachrbl. d. D. Malak. Ges. 1889, p. 30. 



Var. FASCIATUS (' Dohrn ' Pfeiffer). PI. 13, figs. 89, 90, 91, 92. 



Shell umbilicate and riniate, solid, fusiform, very dark chestnut- 

 brown encircled with many white, hydrophanous lines and bands; 

 densely finely striate, and decussated by minute spirals cutting the 

 tops of the striae, Whorls 6^, moderately convex, the last shortly 

 free in front, contracted behind the outer lip, with three pits in the 

 depression; acutely carinate at the base, concave above the carina, 

 flattened to the left of it and with a pit behind the basal lip ; umbili- 

 cus deeply excavated. Aperture vertical, angularly oblong, black- 

 brown inside, the parietal and basal margins slanting, straight, the 

 columellar margin vertical, concave, the outer margin regularly arcu- 

 ate ; almost closed by 8 large teeth, white at their summits: a mar- 

 ginal parietal tubercle, a deeply-immersed columellar fold, crossed 

 below by a strong, entering columellar lamella, a smaller subcolumel- 

 lar lamella, and a compressed basal fold ; within the outer lip three 

 compressed folds, the upper palatal oblique, angular and twisted, sit- 

 uated above the middle of the lip, the superpalatal small arid trans- 

 verse. Peristome broadly expanded, reflexed, white or blue-white. 



Length 38^, diam. 13, length of aperture 15^, width in the middle 



8 mill. 



Length 40, diam. 12J mill. (Pfr.) 



Brazil : Sta. Catharina (Dohrn). 



