4+ University of Michigan 



\V. Shell malleate I:)elow ; brownish green. Bogota, Colombia 

 14; 157(22); 4i/<. . . .Cyclostoma bogotensis Pfr. (1855) 



WW. Growth lines fine and quite regular; olive brown. 



X. Aperture normal ; shell slightly more (or less) de- 

 pressed. Bolivia. 19; 163(31); 5 



Cyclostoma inca Orbigny ( 1835 ^ 



(+C colombiensis "Fer." Orb., 1835) 



(+C. nobile "Fer." Pot. and Mich., 1838) 



XX. Original figure (poorly drawn) shows somewhat so- 

 lute aperture and slightly more elevated shell. Cox- 



oeira Woods, Bahia, Brazil. 18 13; 155 (28.3) 



Cyclostoma blanchetianum Moricand (1838) 



VV. Major diameter index varies around 140. 



Y. Bands more pronounced. Puerto Cabello, Venezuela 



i7-o; 137(23-1); 4-5 (see table) 



N. popayana fasciata Kobelt-Schwanheim (1912) 



YY. Dark, spiral band. Popayan, Colombia. 15.5: 136(21) 

 4!/^ Cyclostoma popayana Lea (1838) 



YYY. Two reddish bands. 11.6; 129(14.9); 4-5 



Cyclostoma inconspicuum Sowerby (1843) 



Poteria dunkeri cardozi, new subspecies 

 Fig. v-R. 



Three adults and 10 immature specimens from the lowland 

 forest around La Fria (H, II, b, 40). These specimens from 

 the rich, luxuriant jungles are, peculiarly enough, considera- 

 bly smaller than the remainder. The description of the type 

 (fig. v-R) of this form follows: 



Shell : depressed, thin, translucid. Growth lines : regular, 

 compressed. Color : brownish horn, apex tinged with fulvous ; 

 periphery of last whorl lighter, bordered below by a diffuse, 

 brownish band, which is somewhat darker at its upper and 

 lower borders ; another, narrower band on the umbilical side. 

 \\Miorls : 3^ ; flattened above and rapidly increasing. Umbili- 

 cus : a little more than '4 tlie major diameter. Aperture: 



