GENERA AND SPECIES. 121 



With umbilicus 

 Over ^ in. across 

 With labial rib- 

 Shell bluntly keeled 



284. nifescens, J in. reddish brown, frequently with a white 



band on last whorl. 



Shell without a keel- 

 Striped 



278. pisana, fin. shell with mottlings, umbilicus small and 



oblique. 



287. virgata, \ in. shell without mottlings, umbilicus narrow 



and deep. 



Unstriped 



266. cantiana, fin. shell tinged with rose, umbilicus narrow and 



deep. 



268. cartmiana, % in. shell horn colour, umbilicus minute. 



Without labis.1 rib- 

 Shell globose 



279. pomatla, if in. shell large and striated, yellow, with broad 



bands of light brown. 



264. arbustomm, in. shell striated, brown, with blackish band 



along the middle of each whorl. 



Shell depressed, umbilicus large 



270. ericetovMK, f in. shell greyish with brown bands, mouth 



nearly circular. 



277. obvoluta, % in. shell rufous brown, mouth triangular and 



toothed. 



275. lapicida, in. shell rufous brown, mouth oval and 



angulated. 



Under J in. across 

 Under in. across 



280. pukhdla, fa in. shell milky white. 



281. pygmcea, -fa in. shell pale horn colour. 



285. rupestris, in. shell blackish brown. 



Over in. across 

 With labial rib 



267. caperata, % i n - shell keeled and striped with coloured 



bands. 



269. concinna, in. no keel and no stripes, umbilicus very large. 



272. hispida, % in. no keel and no stripes, umbilicus very 



small. 



286. sericea, J in. downy and granulated, greyish white, no 



keel and no stripes, umbilicus very small. 

 I 



