NO. I ACHATINELLA APEXFULVA DIXON WELCH IO3 



ACHATINELLA APEXFULVA VIRGATIFULVA, new subspecies 



Plate 2, Figure 16; Plate 9, Figures 5-5^ 



Achatinella leucorraphe irn'ini Pilsbry and Cooke, Man. Conch., vol. 22, p. 304, 

 pi. 59, figs. 14-14/) (only), 1914. 



The shell resembles A. a. leucorraphe, to which it is closely re- 

 lated, but differs from leucorraphe in having a brown sutural band, 

 the embryonic whorls lined on the last half embryonic whorl with 

 yellow, and the usual absence of zigzag streaks on the postembryonic 

 whorls. The holotype (pi. 2, fig. 16) has the embryonic whorls 

 bicolored; embryonic whorls white, banded on the lower third of the 

 first embryonic whorl with natal brown, on the next whorl the band 

 fading to fawn color and finally honey yellow on the last half em- 

 bryonic whorl ; postembryonic whorls pale pinkish cinnamon, axially 

 streaked with natal brown and drab ; impressed sutural band chest- 

 nut ; lip and columella callus white faintly tinted with pale vinaceous 

 fawn. Length 18.4 mm., greater diameter 12.2 mm., spire height 

 9.6 mm., number of whorls 6j. 



Distribution, area 73 : Waikakalaua Stream, Wilder. BBM 50572, 

 exact location of Wilder's type locality not known ; Kipapa- Wai- 

 kakalaua Ridge, locality 250A-2, elevation 1,050-1,100 feet, 3 sinis- 

 tral, Lemke, 1936; North Kipapa Gulch, first North Branch, lo- 

 cality 24oD-ia*, approximate elevation 900-1,000 feet, 2 dextral, 

 Spalding, BBM 1 17384. Wilder's type locality probably came from 

 somewhere in the region of localities 250A-2 and 24oD-ia*. Area /T, 

 is considered the probable distribution of the race. This race occurs at 

 higher elevations but is usually not dominant and mixed with the 

 lighter tan form of A. a. inrgatifulva var. 2 (figs. 5, 50, p. 105). 



In the Wilder lot the typical color pattern occurs on 58 percent 

 of the shells. A variation of this pattern, the lightest color pattern 

 and the obese form of the shell (pi. 9, fig. 5), has the first half post- 

 embryonic whorl white, axially streaked with cinnamon buff, the re- 

 maining postembryonic whorls pinkish buff' axially streaked with 

 natal brown, army brown, and bone brown ; impressed sutural band 

 russet shading to tawny on the last whorl ; lip tilleul buff. Length 

 17.5 mm., greater diameter 12.5 mm., spire height 9.6 mm. 



An elongate specimen (pi. 9, fig. 5a) with the usual color of the 

 darker color pattern occurring on 36 percent of the shells has the 

 postembryonic whorls pinkish buff, heavily axially streaked with 

 natal brown, the streaks broken by lines of pinkish buff ; lip and 

 columella callus white shading to light pinkish cinnamon at the outer 

 edge. Length 19.2 mm., greater diameter 12.2 mm., spire height 



