164 AMASTRA, OAHU. 



Large, about 20 mm. long, ovate-conic, embryonic whorls 

 unevenly ribbed. A. badia, no. 30. 



8. Shell globose-conic, diam. about two-thirds or three- 



fourths the length, 9. 

 Shell oblong-conic or ovate, not so wide, 12. 



9. Dark brown under a greenish-yellow suffusion, 10. 

 Brown or pale, usually banded or speckled with white, 11. 



10. Much depressed, periphery angular in front ; 10x7.7 mm. 



A. gulickiana, no. 14. 

 Ovate, periphery rounded ; length 14, diam. 8 to 9 mm. 



A. t. media, no. 13a. 



11. Thin; whitish, pale or dark brown, usually sparsely 



banded with white. A. pellucida, no. 16. 



Rather solid, speckled or banded with whitish. 



A. reticulata, no. 25. 



12. Aperture small, contained about 2% times in the length; 



mottled and streaked with yellow on a dark ground; 

 16.7x8 num. A. cookei, no. 26. 



Aperture about half the length of shell or more. 



A. textilis, no. 13; A. reticulata var., no. 25. 



13. A. TEXTILIS (Ferussac). PL 30, figs. 1 to 7. 



" Shell dextral, ovate, the summit acuminate, engraved 

 with longitudinal and transverse striae; epidermis buff or 

 reddish, fugacious ; whorls 5 ; aperture semilunate ; peristome 

 thickened within; columella short, provided with a distinct 

 rib ; umbilical crevice hardly distinct. Length 6%, diam. 3% 

 lignes. Sandwich Is." (Ferussac). 



Oahu, southern slope of the eastern third of the Main 

 range: Waialae, Palolo, Manoa, Nuuanu, Moanalua, Halawa 

 (aulick, Cooke). 



Helix textilis FERUSSAC, Voy. Autour du Monde de 1'Uranie 

 et la Physicienne, par L. de Freycinet, Zoologie, p. 482 (1824). 

 Achatinella textilis NEWCOMB, Annals of the Lyceum of N. 

 H. of N. Y., vi, 1858, p. 305. BALDWIN, Catalogue 1893, p. 

 10. BINNEY, Ann. Lye. N. H. of N. Y., xi, p. 190, pi. 14, f. G 

 (radula). Amastra textilis HARTMAN, Proc. A. N. S. Phila., 

 1888, p. 50, pi. 1, f. 8. SYKES, Fauna Hawaiiensis, p. 345, no. 



