A/rican yon-marine Motlusca. 487 



Tlic gcuus includes the following : — 



^Sirepta.vis [Artemonupsis) c/ieva/ieri, Germain, 1908. 



desiderata, viarsubitensis, and uryutssmsis, 

 Preston, ll>13. 

 Gonuxis lielicoides, C. Boettger, 1'J13. 

 Rliytiiht injalinoidt'S, Tliiclc, lUll. 

 Tayluria itcrata, von Mart(;ns, 18*J7. 



„ jouberti, Bonrguignat, 1881). 

 Helix usambarica, Ciaven, 1880. 

 Zunites vcntrusa, Gibbons, 1877. 



From examination of the radnhc oUnjalinoidcs, usamburica, 

 and nryuessensis, Thicle* considers that tiic genus lias closer 

 affinity with tlie Paryphautidce than with the Streptaxidaj. 



T'ayloria shimbiensis, sp. u. 



Shell of fair size, deprcssedly turbinate, perforate, thin, 

 silky, seniitransparent, olivaceous. Spire but little raised, 

 though each whorl is plainly visible iu profile above the next; 

 apex obtuse. Whorls 5i, not very convex, regularly and 

 rather raj)idly increasing, the last rounded at the periphery, 

 the first If microscopically, mallcatcly punctate, remainder 

 sculptured above witlj very close, regular, raised, curved, 

 oblicjne, transverse stria?, which almost disappear at the 

 periphery and are hardly visible on the polished base; suture 

 simple, well defined. Apertuie sublunate, oblique, slightlv 

 descending; peristome narrowly rcHexed ; columella verv 

 weak ; umbilicus very broad and deep ; callus and dentition 

 none. 



Diara. maj. 15'8, min. 14-3 ; alt. OS; apert., alt. 68, 

 lat. 7*2 mm. 



Hub. Kenya, Shimbi Hills (Kemp). 



This species api)ears to differ from helicoides in being 

 flatter and more strongly sculptured above, and from iterata, 

 marsabitt)isis and uryuessensis in being considcraljly less 

 highly sculptured beneath, wiiile chevalieri, desiderata and 

 liyalinoides are described as smooth and glossy on the upper 

 as well as the under side of the shell ; usam,barica is au 

 altogether larger form. 



• D. Zentr.-A£r.-Exp. 1011, p. 187, and Arch. f. Molluskenliunde, 

 1921, p. loO. 



