582 MR. EDGAK A. SMITH OS" LAIfD-SHELLS [May 2, 



8. Streptaxis kieki Dohrn. (Plate XXXIII. figs. 7, 8.) 

 Streptaxis MrJcii, Dohrn, Proc. Zool. Soc. 1865, p. 232 ; Martens 



Weichth. Deutsch-Ost-Afrikas, p. 32. 

 ffab. Zomba Plateau, 5000 feet. 



9. Helicaeion nyasaiojs, sp. nov. (Plate XXXIII. figs. 9, 10.) 

 Testa tenuissima, pellucida, albida, vix nitens, lineis incrementi 



leviter plicatis striata, depressa, ambitu subovata ; spira depressa, 

 apice obtuso, promimdo ; anfractus tres, convexi, infra suturam 

 depresse marginati, margine subcremdato, ultimus subtus in 

 medio mend)ranaceus ; apertura fere horizontalis, latissime 

 lunata. 



Diam. maj. 16 millim., min. 11, alt. 7|. 



Eab. Mount Chiradzulu, Masuku Plateau, 6000-7000 feet, and 

 Nyika Eange, 7000 feet. 



Very thin, depressed above, membranaceous beneath at columellar 

 margin, with somewhat plicate lines of growth. 



10. Helicaeion MASUKUEifsis, sp. nov. (Plate XXXIII, figs. 

 11,12.) 



TestaH. nyasano minor, minus depressa, rotundior, minus fragilis, 

 infra Tiaud membranacea, lineis incrementi minus plicatis; 

 apertura angustior, margine columellari ad insertionem incras- 

 sato, albo, reflexo, rimam umbilicalem formanie, margine externa 

 callo tenuissimo juncto. 

 Diam, maj. 14 millim., min. 10|, alt. 7. 



Eab. Masuku Plateau, 6000-7000 feet, Nyika Eange, 7000 feet, 

 Mount Chiradzulu and Zomba Plateau, 5000 feet. 



The whorls, as in E. nyasanus, are three in number, but the 

 spire is a little more elevated. 



11. Kaliella baeeakpoeensis Pfeiffer. 



Eelix barralporensis, Pfeiffer, Proc. Zool. Soc. 1852, p. 156; 

 Conch.-Cab. ed. 2, p. 415, pi. 147. figs. 20-22; Eeeve, Con. Icon, 

 fig. 816 ; Tryon, Man. Conch, ser. 2, vol. ii. p. 61, pi. xxvi. figs. 57, 

 58 ; Grodwin-Austen, Land & Freshwater Moll. India, vol. i. 

 pp. 2, 19, 146, pis. i., ii., v., xxxviii. 



Eelix {Trochonanina)pretoriensis, Melvill & Ponsonby, Ann. Mag. 

 Nat. Hist. 1890, vol. vi. p. 469. 



Eab. Mount Chiradzulu. 



Occurring also in North and South India, Madagascar, Pretoria, 

 S. Africa, and Ashanti. Specimens from these localities, which 

 I cannot in any way separate, are in the Museum Collection. 

 They doubtless have been transported from place to place, as seems 

 to have been the case with the well-known Eulota similaris and 

 various species of Subulina and Opeas. 



12. Thapsia mixta, sp. nov. (Plate XXXIII. figs. 13,14, 15.) 



Testa pallide cornea, anguste perforata, depressa, orbicularis, 



nitida, lineis incrementi iiiconspicuis striisque ^iralibus micro- 



