ZONITES. 165 



penultimate, not descending but subdilated in front, periphery 

 obtuse^ subangulated, base more convex. Diam. 11 mill. 



Columbia (Orb.), Coquimbo, Chili (Paz.). 



IT. BESCKET, D linker. PI. 52, fig. 53. 



Narrowly umbilicated, smooth, with impressed radiating lines, 

 very shining, corneous 3 r ellow ; whorls 5J, regularly increasing, 

 aperture rather widely, obliquely lunar. Diam. 7 mill. 



Brazil. 

 II. SURINAMENSIS, Pfr. PI. 52, figs. 54-56. 



Perforate, depressed, thin, very lightly striulate, nearly smootli, 

 shining, pellucid, greenish hyaline, suture impressed, very nar- 

 rowly thread-margined ; whorls 4, regularly increasing, the last 

 a little depressed, periphery rounded. Diam. 6 mill. 



Parimaribo, Surinam. 

 H. SANTANAENSIS, Pfr. PI. 52, fig. 57. 



Umbilicated, thin, striulate, shining, pellucid, yellowish hya- 

 line, spire very shortly conoidal, suture profound ; whorls 5, 

 convex, narrow, the last scarcely wider, not descending, umbili- 

 cus conical, about one-third the diameter. Diam. 4'o mill. 



Sfinla Ana, N. Granada. 

 II. HONDANA, Pfr. PL 52, fig. 58. 



Broadly, perspectively umbilicated, convexly depressed, striu- 

 late, light corneous yellow ; whorls 0, slight!}' convex, slowl}' 

 increasing, the last not descending, depressed-rounded, aperture 

 small, oblique, rounded-lunar. Diam. 7'75 mill. 



Honda, New Granada. 



H. TEHUANTEPECENSIS, Crosse and Fischer. PL 52, figs. 59, GO. 



Narrowly umbilicated, subdepressed, thin, shining, very lightly 

 striulate, smoothish, light greenish white, h} T aline, suture im- 

 pressed ; whorls 4, the last not descending, subrotund, base 

 planate, aperture almost diagonal. Diam. 3*5 mill. 



Tehuantepec, Mexico. 



H. PERMODESTA, Strebel. PL 52, figs. 61, 62. 



Openly moderately umbilicated, somewhat solid, translucent, 

 shining, light corneous yellow, slightly striulate; whorls 4^, 

 moderately increasing. Mirador, Mexico. 



One of the two specimens had a small thickening on the inner 

 side of the lip. 



