COCHLOSTYLA-ORTHOSTYLUS. 209 



has no blotches below the suture ; it is thinner than in macrostoma, 

 and the hydrophanous band is not accompanied by a dark line, etc. 



C. JUGLANS Pfeiffer. PI. 59, fig. 6. 



Imperforate, elongate-globose, the apex obtuse ; rather solid, 

 obliquely distinctly striated, unicolored rufous. Whorls 5, convex, 

 the last about equal to the spire. Columella wide, white, arcu- 

 ately curved inward. Aperture large, irregularly suboval, sinuated 

 at base of the columella, pale livid inside; peristome scarcely 

 reflexed, margined with rufous. 



Alt. 53, diam. 35 mill. Aperture 28 mill, long inside. (Pfr.) 



Mountains of northern-central Luzon. 



Bul.juglans PFR. P. Z. S. 1842, p. 89 ; Monogr. ii, p. 7 ; Conchy 1. 

 Cab., p. 177, t. 52, f. 7. REEVE, Conch. Icon., f. 12. Cochlostyla 

 juglans SEMPER, Reisen, p. 204. MLLDFF, Nachr. D. M. Ges. 1888, 

 p. 105. 



Fresh, unrubbed shells, says Mollendorff, are covered with a thin 

 gray-brown cuticle, which often shows close spiral lines. The per- 

 istome is lipped with beautiful purple-brown ; the columella is white 

 above. 



Var. olivacea Mlldif. Smaller, more ventricose, whorls more con- 

 vex ; olive-brown or olive-yellowish, the peristome \vhite. (Mlldff.) 



Alt. 55, diam. 43 mill. 



Alt. 50, diam. 41 mill. 



Var. roseolimbata Mlldff. More ventricose, olive-yellowish, varied 

 with irregular streaks; peristome more thickened, margin pale 

 purple or rose, columella more spirally twisted, arcuate. (Mlldff.) 



Alt. 63, diam. 49 mill. 



Alt. 59, diam. 46 mill. 



Cuyapo, prov. Nueva Ecija, Luzon. 



C. MARINDUQUENSIS Hidalgo. PI. 45, figs. 48, 49. 



Imperforate, ovate-conic, solid. Under an evanescent deciduous 

 cuticle the surface is white, unicolored or with peripheral and colu- 

 mellar dark bands, or having the middle and base of the body- 

 whorl dark brown. Sometimes there is a narrow sutural band ; lip 

 lilac-pink, black edged, rarely pure white. 



Spire conoidal ; whorls 6, convex, especially the latter two. Last 



whorl generally obliquely malleated around the middle. Aperture 



oblique, white inside ; peristome broadly expanded and reflexed, lilac 



14 



