34 PUPISOMA. 



The type was sieved out of earth from Montalban. "The 

 Philippine species is somewhat higher [than P. orcella], the 

 whorls are not so convex, the striation somewhat finer." 



The Cebu form has weaker striation, according to Moellen- 

 dorff. His figures were copied in Vol. IX, pi. 14, f. 43, 44, 

 and a Cebu specimen is drawn in pi. 2, fig. 3. Length 1.85,. 

 diam. 1.8 mm.; 3% whorls. It has spiral striation like that 

 of P. orcula, and the specimens seem to differ in no way from 

 that species. 



13. Pupisoma circumlitum Hedley. PL 3, figs. 14, 15, 16. 



"Shell globose-conical, perforate, thin, translucent. Color 

 a uniform pale tawny-olive. Whorls three and a half, well 

 rounded; suture impressed. Sculpture: everywhere the 

 whorls are crossed by fine, close, raised hair lines; at irreg- 

 ular intervals these tend to rise into lamellae, which latter 

 can scarcely be detected in profile on the periphery; the em- 

 bryonic shell is similarly sculptured, no trace of spiral sculp- 

 ture can be seen; a break at the completion of the second 

 whorl suggests that here ends the nepionic shell. Umbilicus 

 minute, funnel-shaped, showing only the preceding whorl. 

 Aperture very oblique, ovate-lunate, lip simple, columellar 

 margin broadly reflexed over the umbilicus, callus thin, trans- 

 parent. Height 1.9, breadth 2 mm." (Hedley). 



Length 2.15, diam. 2.1 mm. Paratype. 



Queensland: Bundaberg, on trees (Dr. May); near Graf- 

 ton, on orange trees (Hedley). Type C3459 Australian Mus. 



Pupisoma circumlitum HEDLEY, Eec. Australian Mus., iii, 

 Aug. 5, 1897, p. 44, pi. 11, f. 1, 2, 3. 



' * This snail conceals itself by plastering the shell over with 

 grains of earth, etc., entangled in mucus. The device re- 

 minded me of the European Balea perversa, which adopts the 

 same habit in similar situations. Occasional abrasions seem 

 to show that the color resides in a very thin epidermis" 

 (Hedley}. 



In Bundaberg topotypes, received from Hedley, the micro- 

 scope shows fine, close spiral lines on the base, weak traces of 

 them also above the periphery. The oblique striation is of 

 the same character as in P. orcula, but the umbilicus is per- 



