LYBOPCPA. 219 



alao found on dead leaves and twigs. It is usually taken in 

 rather open country bat has also been found in damp forest 

 patches as well as in talus in open situations. A basal riew 

 of a young: specimen is drawn in pL 26, fig. 8. 



It is easily separated from L. mtrvbHis by its lighter color. 

 fewer and more widely spaeed eosta*, its broader outline, the 

 continuous lower palatal fold and the additional lamella? in 

 the aperture. 



9. LYBOPCPA iimAiuiJK Ancey. PL 21. figs. 5. 6, 7. 



"Shell sinistraL dark brown, eylindrieally oblong, except 

 for the apex regularly and obliquely sculptured with distant 

 acute lira*, scarcely shining, rimate-perfdrate. Spire obtuse. 

 Whorls 6, regularly increasing, convex, with an impressed 

 suture; the last inflated in front of the aperture, afterwards 

 broadly slightly constricted, hardly attenuate, impressed at 

 its middle, somewhat compressed at the umbilicus. Aperture 

 scarcely oblique slightly projecting towards the right at the 

 base and externally towards the outer and upper margin. 

 extended, armed on the parietal wall with a marginal and 

 short dentiform lamella near the upper angle: a second, the 

 parietal, much larger, deeply seated and nearly median; a 

 deeply seated strong eohuuellar fold (only seen when viewed 

 obliquely}, and 2 palatal lamelbe. the lower of which is gutti- 

 form. short deeply seated, the upper long anil extending to 

 the margin. 



Length 2.5, diam. 1.33. apert. (alt.) 0.75 mm/" {Ancey). 



Oahu (Aneey) ; Popouwehu Waianae Mts, (Spalding, Cooke, 

 Pilsbry). Type Ig747 Bishop Museum. 



Pupa mtrabdi* AXCEY, BulL Soc, MaL France, vii, 1890. 

 p. 339; Mem. Soc. ZooL France, v, 1892, pp. 716. Lyro- 

 pupa mirabHif AXCEY, Proc. Malac. Soc^ London, vi, 1904, p. 

 126, pL vii, f. IB. 



Ancey described this species from a single specimen and 

 without exact locality. As his specimen came from the aper- 

 ture of a specimen of Ack. mHstflixa, the Waianae Range is 

 undoubtedly the original locality. L. mirabHis is distributed 

 nearly the whole range. It is very abundant among dead 



