322 ACHATINELLA APEXFULVA. 



terior of the aperture and base of the pillar white ; the latter 

 tinged with rose color; margin of the outer lip within bor- 

 dered with black.' 



Swainson's figure is an excellent representation of typical 

 apexfulva. He states that Dixon 's figures ' ' accurately repre- 

 sent my A. pica.' He also thinks Monodonta seminigra 

 Lamarck the same species, but leaves the question open, as it 

 had not been figured at that time. In his later publication 

 Swainson places A. pica as a synonym of seminigra. 



Key to subspecies and named color-forms of A. apexfulva. 



a. Shell plain or with some whitish spiral lines; suture with 



a light line or unmarked. Western forms. 

 b. Black, with contrasting buff summit. Opaeula. A. 



apexfulva. 



6 1 . Pale flesh-colored. Opaeula. A. a. vespertina. 

 b 2 . White, A. a. alba; albino forms of duplocincta and 



beata. 



a 1 . Shell conspicuously streaked obliquely. A. a. apicata. 

 b. Suture with narrow tawny or white margin, apicata 



pattern. 

 6 1 . The same, with white bands below periphery, gulickii 



pattern. 



b 2 . Suture with broad white margin, cervixnivea pattern, 

 a*. Shell spirally banded, not streaked. 



b. Chestnut or blackish bands and a wide white subsu- 



tural band (also with white and black forms). A. a. 



beata. 



b 1 . Banded with pink or sometimes black. A. a. aloha. 

 b 2 . Very few brown bands or none, size small, duplocincta 



pattern. 



It should be noted that melanistic forms of apicata and 

 beata are not distinguishable from typical apexfulva. 



37<z. A. apexfulva vespertina Baldwin. PL 60, figs. 2, 3. 



The shell is dextral, usually minutely perforate, solid, 

 glossy, with the outlines of the spire more or less concave, 

 apical whorls drawn out, rounded at the tip ; pale flesh color 



