COCHLOSTYLA-EUDOXUS. 39 



4. Var. striata (pi. 2, fig. 22). Close to the unicolored dark 

 variety there is another which shows a multitude of yellowish or 

 grayish stride upon the dark brownish-black ground. There also 

 occurs a form partly or wholly covered with a dull yellowish cuti- 

 cle, so characteristic of the third variety. The measurements below 

 are connected by intermediate examples. 



Largest specimen, alt. 58, diam. 37 mill. ; aperture, 29 x 18 mill. 

 Smallest specimen, alt. 39, diam. 29 mill. ; aperture, 21 x 14 mill. 

 Jibon and Pasian, valley of the Rio Agusan. 



5. Yar. zonifera (pi. 2, fig. 21). Yellowish, banded at periphery, 

 around columella and below the white sutural band with brown. 

 Lip white, reddish or brown-black. Bislig, on the east coast ; Monte 

 Kinuta, Pasian, Jibon, Mainit and Jabonga, in the Agusan valley. 



C. STRAMINEA Semper. PI. 17, fig. 31. 



Imperforate, solid, but thin, dark straw-colored ; striatulate ; hav- 

 ing a white band at the suture and a greenish-white columellar 

 area. Spire short, conic, subacute. Whorls 5, convex, the last 

 about equal in length to the spire. Columella vertical, pale 

 corneous or black ; aperture oblong-oval, whitish; peristome whit- 

 ish, very thin, scarcely reflexed. (Semper.} 



Large specimen, alt. 51, diam. 33; aperture, alt. 26, width 17 

 mill. 



Small specimen, alt. 42, diam. 31 ; aperture, alt. 24, width 15 



mill. 



Lower valley of the Agusan R., and east coast of Mindanao. 



C. straminea SEMP., Reis., p. 216, t. 8, f. 10. (" C. wgle var" on 

 expl. to plate viii). HIDALGO, Journ. de Couch. 1887, p. 154. 



Differs from C. smaragdina in wholly lacking the white sutural 

 zone. 



C. CUMINC4I Pfeiffer. PI. 9, fig. 63. 



Imperforate, ovate, very thin, obliquely striated, pellucid, whitish- 

 green, with a red line at the suture. Whorls 4J, slightly convex, 

 the last obsoletely angulated, slightly longer than the spire. Colu- 

 mella flat, subexcavated, brown. Aperture lunate-oval; peristome 

 simple, the right margin widely expanded, basal margin subreflexed. 

 Alt. 32, diam. 21 mill. (P/r.) 



Camiguin de Mindanao. 



Bui. cumingi PFR., P. Z. S., 1842, p. 88; Monogr. ii, p. 11; 

 Conchyl. Cab. i, p. 66, Bal. 1. 19, f. 3, 4. PHIL., Abbild. i, Bui t, 1, f. 



