l24 cyclophowdj:. 



" Major diam. 21"5 ; alt. axis 5-0 mm. (Type immature, 1st 

 received.) Major diam. 22-5 ; alt. axis 9'5 mm. (t'ull-growu 

 example)."' (Oodtoin- Austen.) 



Hab. India : Abor Hills. 



Pearsonia nevilli, G.-A., var, 



Spiraculum nevilli, var., Godwin-Austen, Rec. Ind. Mus. viii, 1915, 

 p. 497. 



"The wing or spout is not so long in typical nevilli from the 

 Dafla Hills, and the last whorl near the aperture descends much 

 more than in this Abor shell, otherwise they are very close in 

 form. The Abor shells are not so very much mottled, but have a 

 distinct band, and they are much smaller. 



"Major diam. 23-25 ; alt. axis 4-8 mm." (Godwin-Austen.) 



Hah. India: Luyor, Abor Hills (OaA-cs). 



173. Pearsonia oakesi, Godwin- Austen. 



iSpiracnluni oakesi, Godwin- Austen, Rec. lud. Mns. viii, 1915, 

 p. 496, pi. 39, iig. 3. 



" Shell depressedly discoid, widely umbilicateil. Sculpture 

 close, fiue transverse lines of growth in the epidermis, no spiral 

 ribbing. Colour : ground grey white, crossed by regular bands of 

 brown, zig-zag below, merging into a narrow dark peripheral hand, 

 fi'om which zig-zag lines are given off on the basal side. Spire 

 scarcely raised above the last whorl. Suture well impressed, the 

 sutural tube very long, 7 mm., narrow", set obliquely backward, nearly 

 reaching to the apical whorl. Whorls 5, regularly increasing. 

 Aperture circular. Peristome continuous, tliickened, reflected at 

 the upper inner angle, expanded forward from above and below, 

 horizontally upon the median line of the penultimate whorl form- 

 ing a narrow slit. Columellar margin rounded. Operculum multi- 

 spiral, slightly concave, smooth at centre, edges of the outer whorls 

 distinct and slightly raised. 



" Operculum multispiral, edges of suture slightly raised, concave 

 in centre. 



" Major diam. 26*0 ; alt. axis 5'5 mm.'"' 



Hab. India: Abor Hills (Oal-es). 



" Five specimens of this beautiful species came to hand ; it does 

 not recall any species as yet found in Assam or Burma." (Gochvin- 

 Austen.) 



174. Pearsonia plana, Godmin- Austen. 



Spiracjdiim phmum, (Todwin-Aiisteu 

 p.497, pi. 31), tig. 6. 



" Shell similar to S. Jcempi. Sculpture, rather coarser spiral 



Spiracjdiim pUmum, (Todwin-Aiisteu, Rcc. Ind. Mus. viii, 1915, 

 p.497, pi. 31), tig. 6. 



