592 ON LAND -SHELLS FEOM BEITISH CEXTH AX AFRICA. [May 2, 



spiraliter undique tenuiter lirata lineisque incrementi tenuissimis 

 sculpta ; anfractus 5, convexi, superiores duo Iceves, ultimus antice 

 paulo descendens ; apertura subcircularis, longit. totius g su- 

 peratis, intits rufo-fuscescens, zona niyro-purpurea pieta, lineis 

 saturate fuscis supra obscure ornata ; peristoma albidum, 

 margine dextro vix expanse, columellari subreflexo. 

 Diam. maj. 21 milUm., min. 16, alt. 20 ; apertura 10 longa, 



9 lata. 

 Hab. Mount Chiradzulu ; Nyika Range, 7000 feet, and Zomba 

 Plateau, 5000 feet. 



Allied to P. [Cyclostoma'] insularis PfeiiFer from Natal, but more 

 widely umbilicated, with more convex whorls, more numerous and 

 finer spiral lirae, and without the second purplish-black zone upon 

 the upper part of the body-whorl which revolves up the spire. 

 The outer margin of the aperture also is less expanded. 



EXPLANATION OF THE PLATES. 



Plate XXXIH. 



Figs. 1, 2. Ennea (Gulella) vicina, p. 580. 



3, 4. ,, „ varians, p. 581. 



5, 6. Streptaxis johnstoni, p. 581. 



7, 8. „ kirki, p. 582. 



9, 10. Helicarion nyasamis, p. 582. 



11, 12. „ 7nasukuensis, p. 582. 



13, 14, 15. Tkapsia mixta, p. 582. 



16, 17, 18. „ insimidans, p. 583. 



19, 20. „ masukuensis, p. 583. 



21, 22, 23. „ simulata, p. 583. 



24, 25. „ nyikaiia, p. 584. 



26, 27, 28. „ decepta, p. 584. 



29, 30. Zingis johnstoni, p. 584. 



31. ,, whytei, p. 584. 



32, 33, 34. Martensia cunsociata, p. 584. 



35, 36. Phasis {Trachyeystis) fusco-cornea, p. 585. 



37, 38. „ „ fusco-olivacea, p. 585. 



39. Trochozonites sharpei, p. 585. 



40. Buliminus {Rhachis) chiradzuluensis, p. 586. 

 41, 42. „ {Conulinus) nyasanus, p. 586. 



43. „ „ metuloides, p. 587. 



44. Curvella nyasana, p. 588. 



45. „ whytei, p. 588. 



46. Suhulina chiradzuliiensis, p. 588. 



Plate XXXIV. 



Fig8. 1. Achatina j)anth»ra, p. 589. 



2. 3. ,, glaucina, p. 590. 

 4, 5. ,1 johnstoni, p. 590. 



Plate XXXV. 



Figs. 1, 2. Achatina craveni, p. 590. 



3. 4. „ fragilis, p. 591. 

 5. Pomatias nyasanus, p. 591. 



