I/O SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. IO3 



The usual form and color pattern (pi. 3, fig. 17) has the embry- 

 onic whorls warm buff; first half postembryonic whorl warm buflf, 

 last half white with a central band of clay color, last two whorls 

 above the periphery white with a central band of hazel shading into 

 kaiser brown on the last whorl, last whorl below the kaiser brown 

 peripheral band naples yellow banded with kaiser brown ; lip pale 

 vinaceous fawn, columella callus white. Length 19.8 mm., greater 

 diameter 12.8 mm., spire height 10.3 mm. 



The lightest color pattern and obese form (pi. 12, fig. 15) has the 

 embryonic whorls light buf¥ ; postembryonic whorls white, last whorl 

 above the periphery banded with light pinki.sh cinnamon, below the 

 edge of the periphery pale pinkish buff faintly banded on the last 

 half whorl at the edge of the periphery and about the base with 

 light vinaceous fawn ; lip and columella callus light grayish vinaceous. 

 Length 19.3 mm., greater diameter 13.6 mm., spire height 9.1 mm. 



The dark banded color pattern and narrow form (pi. 12, fig. 14) 

 has the first two postembryonic whorls white, banded about the 

 middle of the whorl above the periphery with a band darkening from 

 light pinkish cinnamon on the first postembryonic whorl to pecan 

 brown on the penultimate and last whorl ; sutural and subsutural bands 

 white, on the last whorl the white supraperipheral band is shaded 

 with seashell pink, the peripheral band is walnut brown deepening to 

 burnt umber on the last half of the whorl, subperipheral band light 

 vinaceous cinnamon fading out on the last half whorl, remainder of 

 base, except for a patch of pale pinkish buff in the umbilical region, 

 burnt umber faintly lined and axially streaked with light vinaceous 

 cinnamon. Length 20.0 mm., greater diameter 12.3 mm., spire height 

 1 1.2 mm. 



The color pattern (pi. 12, fig. 16) is similar to plate 3, figure 17, 

 except that the embryonic whorls have a more snow-white ground, 

 and the; last whorl below the periphery is massicot yellow faintly 

 banded and axially streaked with fawn color, last fourth whorl 

 streaked with army brown. 



The holotype of A. a. alba Sykes in the British Museum is a white 

 shell similar to the white color forms of A. a. heata and which was 

 collected by Perkins in Kawailoa. A. a. heata would have to be put in 

 the synonymy of A. alba if the name alba were not already pre- 

 occupied. The name alba was used by Nuttall, in Jay's Catalogue, 

 and placed in the synonymy of A. pallida Nuttall by Reeve (Conch. 

 Icon., vol. 6, pi. I, species 2, 1850). No white shells similar to A. a. 

 beata have been taken in Kawailoa proper. Mr. Sykes' shell may have 



