neto Mollusca from South Africa. 21 



fifth, and cylindriform in shape ; it is longitudinally striated, 

 but so minutely as to be almost invisible even with a fairly 

 strong lens. 



Three specimens. 



6. Pupa Syhesii, sp. n. (PI. III. fig. 6.) 



P. testa minuta, rimata, cylindrica, diaphana, apice obtuso ; anfrae- 

 tibus qiiinqiic, tumesceutibus, ventricosis, undique confertim 

 exqiiisite lougitudinaliter tenuicostatis ; apertura ovata ; peri- 

 stomate paulhxm reflexo, colorato, duobus dentibus munito, hoc 

 parietali, illo basali, oppositis, inconspicuis. 



Long. -90, lat. -75 mill. 



Hoh. Griqualand East {E. R. Syhes^ Esq.). 



Another very small but exquisite little species. It is obtuse, 

 cylindrical, with tumid whorls ; the teeth of the peristome 

 are with difiiculty distinguished with a lens ; they are oppo- 

 site to one another, one parietal, the other basal. The siiell 

 is umbilicated, with the outer columellar margin of the lip 

 reflected to some extent over the umbilicus, and the tumid 

 whorls are everywhere ornamented with fine oblique longi- 

 tudinal striae. 



7. Pupa haploa, sp. n. (PI. III. fig. 7.) 



P. testa obloiigo-pyramidata, tenuissima, apice obtusato ; anfractibus 

 septem, ventricosis, imdique lougitudinaliter tenuistriatis, apud 

 suturas impressis ; apertura ovali : peristomate iucrassatulo, sini- 

 plici. 



Long. 1-70, lat. -75 mill. 



Hab. Pretoria. 



A very small oblong species, with simple and very slightly 

 thickened peristome. 



8. Pupa pretoriensis^ sp. n. (PI. III. fig. 8.) 



P. testa minntissima, tenui, cinereo-brunnea, apice applanato, con- 

 tabulato ; anfractibus qiiinque, valde ventricosis, undique lougi- 

 tudinaliter tenuistriatis, tribus ultimis latitudine a^qualibus ; 

 apertura rotunda ; peristomate incrassatulo, simplici, apud mar- 

 giuem columellarem reflexo. 



Long. 1, lat. '55 mill. 



Hah. Pretoria. 



Exceedingly small, with simple mouth, and peristome 

 slightly incrassate. The whorls are five in number, very 

 ventricose, all longitudinally finely striate ; apex extremely 

 flattened and broad. 



