148 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL, IO3 



deep mouse gray, last whorl drab axially streaked with hair brown 

 and fuscous, last fourth whorl sepia. 



ACHATINELLA APEXFULVA SUTURAFUSCA, new subspecies 

 Plate 3, Figure 9; Plate 10, Figures 24, 240 



Achatinella apexjiilva ap-icala (Newcomb) Pfeiffer, Pilsbry and Cooke, Man. 

 Conch., vol. 22, p. 326, pi. 60, fig. 7b (only), 1914. 



The shell resembles the form of A. a. glaucopicta but has a brown 

 sutural band and yellow embryonic whorls. The first two embryonic 

 whorls of the holotype (pi. 3, fig. 9) warm bufif deepening to 

 ochraceous buff on the last embryonic whorl ; first half of first post- 

 embryonic whorl white, next whorl and a half lilac gray axially 

 streaked with violet gray, last whorl pale mouse gray axially streaked 

 with deep mouse gray and tilleul buff, and faintly spirally lined with 

 deep mouse gray with a spiral band of tilleul buff just above the edge 

 of the periphery, last fourth whorl tilleul buff axially streaked with 

 army brown ; impressed sutural band chestnut ; lip and columella 

 callus pale vinaceous fawn. Length 19.1 mm., greater diameter 13.5 

 mm., spire height 9.3 mm., number of whorls 6^. 



Distribution, area 86: Central Poamoho Stream, type locality 

 280K-1*, elevation 1,150-1,250 feet, Meinecke, 1932 (figs. 5, 5a, 

 p. 105). Also collected by O. H. Emerson, BBM 102289, Wilder, 

 BBM 50586. The Wilder shells are labeled North Kaukonahua, prob- 

 ably an error for Central Poamoho Stream. 



The lightest color pattern (pi. 10, fig. 24), found on only three 

 specimens, has the first two postembryonic whorls white, the penulti- 

 mate axially streaked with pale drab gray, last whorl a dilute shade of 

 pale drab gray or white axially streaked with drab gray and faintly 

 spirally banded, below the chestnut sutural band, with a wide band 

 of a dilute shade of pale quaker drab, and a band of tilleul buff* at 

 the edge of the periphery. 



The usual form and color pattern of a sinistral shell (pi. 10, 

 fig. 24a) also exhibits the dark color pattern of a dextral shell, embry- 

 onic whorls ochraceous tawny ; first postembryonic whorl light neutral 

 gray axially streaked with white, penultimate whorl light neutral gray 

 axially streaked with neutral gray and deep neutral gray and finely 

 spirally lined with lines of deep neutral gray, last whorl mouse gray 

 axially streaked and faintly spirally lined with deep mouse gray; 

 impressed sutural band chestnut. Length 18. i mm., greater diameter 

 12.3 mm., spire height 9.6 mm. 



