26 PUPISOMA. 



Pupisoma japonicum Pils., Nautilus, xvi, June 1902, p. 21. 

 HIRASE, The Conchological Magazine, iii. p. 26, pi. 9, f. 32, 

 33. BURNUP, Proc. Malac. Soc. London, x, 1912, p. 46 

 CONNOLLY, Ann. South African Mus., xi, pt. 3, p. 159, right 

 figure. 



The small size, total absence of spiral striation, and the 

 umbilicus, relatively larger than in any known Oriental 

 species, distinguish this shell. Like P. orcula, it is viviparous. 

 Burnup gives the following measurements of apparently 

 mature South African specimens : 



Height 1.22, diam. 1.16 mm. ; per cent of alt. to diam. 105. 



Height 1.32, diam. 1.24 mm. ; per cent of alt. to diam. 106. 



Height 1.35, diam. 1.32 mm. ; per cent of alt. to diam. 102. 



Height 1.41, diam. 1.37 mm. ; per cent of alt. to diam. 103. 



Pupisoma japonicum depressum Pils. (pi. 2, fig. 13) is 

 similar to japonicum except that the whole shell is a little 

 more depressed, the diameter slightly exceeding the altitude. 

 Length 1.3, diam. 1.35 to 1.4 mm. ; alt. 92 to 96 per cent of 

 the diameter. 



Japan: Mikage, Settsu (Hirase). 



Pupisoma japonicum depressum PILS., Proc. A. N. S. Phila., 

 1905, p. 710. HIRASE, Conch. Mag., iii, p. 26, pi. 9, f. 34. 



4. PUPISOMA MICCYLA (Benson). PL 3, figs. 1, 2, 3. 



Shell imperforate, globosely conoid, thin, striatulate, a 

 little shining, brownish-corneous, translucent. Spire truncate- 

 conic; suture impressed, the apex very obtuse. Whorls 4, 

 convex, the last globose, slowly descending in front. Aper- 

 ture lunate-rounded, oblique, the peristome acute, right mar- 

 gin arcuate, columellar margin acute, vertical, forming nearly 

 a right angle with the basal margin. 



Length 1.5, diam. 1 mm. (Bens.). 



Length 1.53, diam. 1.1 mm. (God win- Austen). 



Ceylon: Matelle, on the bark of an orange tree (F. Lay- 

 ard). Binoya Estate, Watawala, on the bark of mango and 

 orange trees (Collett). 



Helix miccyla BENS., Ann. Mag. N. H. (3), v, May 1860, p. 

 384. HANLEY & THEOBALD, Conch. Indica, 1875, pi. 129, f. 8, 



