

184 HELIX-SOLAROPSIS. 



sinuous, oblique brownish-chestnut flammules, separated by whitish- 

 yellow spaces ; base 2-banded. 



Alt. 45, diam. niaj. 85, min. 70 mill. 



Napo Basin, Ecuador. 



Solaropsis cousini Jouss., Bull. Soc. Zool. France, xiii, p. 177, 

 1887. COUSIN, Faune Mai. Rep. Equateur, p. 67 (Bull. Soc. Zool. 

 France, xiii, 1887). 



H. PR^ESTANS PFEIFFER. PL 53, fig. 16. 



Nearly covered perforate, globose depressed, rather thin, striatulate, 

 chestnut-colored above, ornamented with buff flammules, base buff, 

 irregularly banded with chestnut, covered with a slightly shining 

 epidermis; spire short, obtuse; whorls 4-j, slightly convex, the last 

 inflated, scarcely descending anteriorly ; aperture oblique, rounded- 

 lunar, pearly within ; peristome livid, briefly expanded and re- 

 flexed, the margins scarcely converging, joined by a callous, the 

 columellar dilated. (Pfr.) 



Alt. 26, diam. maj. 53, min 42 mill. 



Province of Ocana, New Grenada. 



H. prcestans PFR., Proc. Zool. Soc. Lond. 1853, p. 126 ; Monog. 

 Hel. Viv., iv, p. 212. REEVE, Conch. Icon., f. 1276. DOHRN, 

 Jahrbucher d. Mai. GeselL, ii, p. 298. 



H. BRA.ZILIANA Deshayes. PL 53, figs. 14, 15. 



Umbilicate, depressed, thin but rather solid, chestnut-colored 

 above, with a subsutural and a supra-peripheral band of alternating 

 dark chestnut and whitish angular spots; below the periphery 

 light yellowish-chestnut with numerous spiral articulated lines and 

 narrow bands ; surface densely very regularly granulate all over 

 (except the apical whorls), the granules equidistant, arranged (more 

 or less obviously) into oblique rows. The spire is depressed, only a 

 trifle convex ; apex obtuse ; sutures impressed ; whorls about 5, 

 regularly widening, slightly convex, the last depressed, obsoletely 

 angular at the periphery, which is decidedly above the middle of the 

 whorl ; base very convex. Aperture oblong-lunar, slightly oblique, 

 delicate lilac-colored inside ; peristome all around narrowly ex- 

 panded and subreflexed, white, its upper, outer and columellar 



