250 AMASTRA, MOLOKAI. 



e. Rather narrow, with strongly convex 

 whorls 16x9.5 to 22.3x11 mm. 



A, nubilosa, no. 70. 



e 1 . Spire more conic, last whorl more 

 ample; 20x12 to 25x14 mm. 



A. n. macerata, no. 70a. 

 d 2 . Only some shreds of cuticle remaining; 



striate; violaceous or flesh- colored. 

 e. About 29x14 mm. A. violacea, no. 69. 

 e 1 . Larger, more ashen. 



A. v. wailauensis, no. 69a. 

 & 1 . Embryonic whorls costate and carinate, or with 



the carina concealed in the suture. 

 c. Last whorl dark or 'covered with an olive or 

 dark cuticle, sometimes banded or streaked 

 but not mottled or zigzag-striped. 

 d. Small (length 8 to 12 mm.), with one to 

 three white spiral bands; thin, ovate- 

 conic. 



e. Dark brown with white bands at su- 

 ture, periphery and base; 8.8x5 

 mm. A. tricincta, no. 80. 



e 1 . Pale brown, lighter at suture, a white 

 band at the periphery; 11.8x6.9 mm. 

 A. elegantula, no. 81. 



d 1 . Oblong conic, with somewhat streaked 

 olive-brown cuticle on last whorl ; rather 

 small. 

 e. Length 12, diarn. 6 mm. 



A. subobscurd, no. 79. 

 e 1 . Length 16.5 to 17, diam. 8 to 9 mm. 



A. m. dimissa, no. 78a. 



d 2 . Rather large, length 15 to 23 mm.; wider; 

 last whorl covered with dark-brown or 

 black cuticle ; spire sometimes mottled, 

 zigzag-striped. 



e. Diam. decidedly more than half the 

 length. 



