EUGLANDINA. 181 



the sutures delicately crenulate. Columella straight, abruptly 

 truncate. Aperture ashy-chestnut, with a white peritreme. 

 Length 59, diam. 27, aperture 30x12 mm. (Da Costa). 



Ecuador: Peramba. 



Glandina aquatoria DA COSTA, Proc. Malac. Soc. Lond., iv, 

 p. 67, pi. 7, f. 4 (Aug. 1, 1900). 



"Although closely allied to G. saccata Pfr., it is darker in 

 color, smaller, and much thicker ; the longitudinal plication is 

 closer, and the transverse striation much finer; it has also a 

 straighter columella" (Da C.). 



This form needs comparison with E. ecuadoriana (Miller), 

 which, from the description, must be very similar. 



10. E. ORNATA (Pfr.). Vol. I, p. 32. Colombia. 



11. E. CALLISTA (Pilsbry & Clapp). PL 20, fig. 11. 



Shell fusiform, very thin, pale brownish-yellow with -a few 

 indistinct darker streaks, more numerous on the spire, and 

 encircled by numerous narrow, inconspicuous buff spiral lines 

 between the periphery and suture and on the spire. Surface 

 but slightly glossy, sculptured with fine, somewhat irregular 

 striae, and weakly scored by fine, close spiral striae, better de- 

 veloped below. Suture distinctly margined with a row of 

 small bead-like folds, each formed usually by the coalescence 

 of two, or the knob-like enlargement of one of the striae. Spire 

 acuminate. Whorls nearly 7, but slightly convex, the last 

 more inflated, tapering below. Aperture slightly oblique, 

 four-sevenths the length of the shell ; outer lip evenly arcuate ; 

 columella very concave, truncate as usual below. Parietal 

 wall covered with a very thin wash of callus, which swells 

 broadly out upon the whorl in the middle, and is abruptly 

 retracted above. Length 68.5, diam. 26 mm. ; length of aper- 

 ture 38, greatest width 15.5 mm. (P. & C.}. 



Colombia: Santa Marta Mts. at Valparaiso, in forest at 

 4,500 ft. elevation (H. H. Smith). 



Glandina callista P. & C., Nautilus, xv, p. 133, pi. 7, f. 7 

 (April, 1902). 



"A charming species, remarkable for its acuminate spire, 



