216 PUPILLA, AFRICA. 



32. PUPILLA TETRODUS (Boettger). PL 17, figs. 9, 10, 14-16. 



Shell sinistral, obliquely rimate, ovate-conic, rather obtuse 

 at the apex. Whorls 5y 2 , glabrous, a little convex, the last 

 much more ample than the preceding, nearly equal to all the 

 preceding in height. Aperture large, strongly oblique, in 

 general shape semioval, 4-plicate: one deeply entering pari- 

 etal lamella, one dentiform columellar, and two distant denti- 

 form palatals, the lower one much more prominent. Peri- 

 stome a little expanded, margins joined by a thin callus 

 (Boettger}. 



South Africa: Betchuanaland, fossil in clay bed at the 

 mouth of the Gowke river, flowing into the Limpopo,' 22 s. 

 lat., 28 e. Ion. (Adolf Hiibner; type loc.). Cape of Good 

 Hope at Cape Eecif ; Klein Setjes Bosch near Beaufort (type 

 localities of P. swiistrorsa, Craven) ; Port Alfred (Penther) ; 

 King Williamstown ; Lovedale: Burns Hill (Godfrey) ; Port 

 Elizabeth (Crawford, type loc. of thaumasta) ; Prieska (Gib- 

 bons) ; Grahamstown ; Cradock ; Jansonville ; Somerset East 

 (Farquhar) ; Coega (Miss Hickey). British Betchuanaland: 

 Hartz River, Taungs (Miss Wilman). Transvaal: Pretoria 

 (Connolly); Potchefstroom (Miss Livingston). Orange Free 

 State: Bloemfontein (Godfrey); Kroonstad (Miss Hickey). 

 Ovampoland: Disappointment Vlei (coll. Layard). 



Pupa tetrodus BOETTGER, liter Bericht Offenbacher Vereins 

 f. Naturkunde, 1870, p. 46, pi. 1, f. la-c. BURNUP, Ann. Mag. 

 N. H. (8), vii, 1911, p. 410. PupiUa tetrodus BTTG., Abhandl. 

 Senck. Naturf . Ges., xxxii, 1910, p. 446. Jaminia tetrodus 

 (Boettg.) CONNOLLY, Ann. S. Afr. Mus., xi, pt. 3, p. 184. 

 Pupa (Vertigo) sinistrorsa CRAVEN, Proc. Zool. Soc. Lond., 

 1880, p. 618, pi. 57, f. 8. MELVTLL and PONSONBY, Ann. Mag. 

 Nat. Hist. (8), i, Jan., 1908, p. 83, pi. 2, f. 26. -Vertigo sinis- 

 trorsa, Craven, M. & P., Proc. Malac. Soc. Lond., iii, 1898, p. 

 177. Vertigo thaum.asta MELV. & PONS., Ann. Mag. N. H. 

 (6), viii, 1891, p. 239; ix, 1892, p. 94, pi. 6, f. 7. 



A very distinct species by its tapering spire, absence of a 

 crest, and high last whorl. The rather glossy surface is pale 

 cinnamon-buff, slightly transparent. The apex has a weak, 

 very minute granulation. The parietal lamella is high, rather 



