2 Desertions of Thirty Supposed New Species and 



ACHATINA parvula ; new. 



Adamsiana ; new. 

 SPIRAXIS observations on 



" contorta ; new. 



PUPA Jardineana ; new. 



" Grevillei ; new. 



HELIX McNabiana ; new. 



PLANORBIS affinis observations on 



angulatus ; new. 



CYCLOSTOMA PEARMAN^EANUM. Shell, moderately elon- 

 gate ; conic ; dingy- white, or very light brown ; with 5 or 

 6 narrow, interrupted, faint, spiral bands of umber brown, 

 most distinct on the last whorl ; with from 9 to 11 trans- 

 verse or vertical series of irregular spots of darker umber- 

 brown, the largest and darkest spots being just below the 

 suture. Transverse lines of growth distinct and distant, 

 more so than in C. lima, sharp and slightly serated. 

 Spiral lines scarcely visible, except on the inner side of the 

 last whorl. Spire with convex outlines. Apex truncate 



with loss of ? whorls ; 4 or 4-J- whorls remaining, very 



convex, with a very deep suture. Last 4th part of last 

 whorl diverging (in 4 out of 6 specimens before me) very 

 abruptly and very far from the penult whorl, as in G. mon- 

 strosum. In two of the specimens, divergence is much 

 less than in these ; the left side of the peritreme touches, 

 and is soldered to the penult whorl. Aperture exactly cir- 

 cular (in some very slightly oval) diam. . 1 inch ; peristome 

 or inner peritreme projecting about .05 inches beyond the 

 peritreme, shining at the very edge, but dull, with circles 

 of growth girdling the outside. Peritreme about .05 width ; 

 slightly striated, shining, irregularly reflected, and notched. 

 About l-4th of the peritreme, nearest to the penult whorl 

 is abruptly wanting, appearing to the casual observer as 

 though it were broken off. The edges of the peritreme 

 where the apparent fracture occurs, are however, themselves 



N. B, The decimals throughout are of inches E. C. 



