112 THE NAUTILUS. 



margined above, somewhat convex ; suture moderately impressed. 

 Aperture oblique, oval, white, the outside band visible within. Peri- 

 stome acute, slightly thickened within, dark-brown, the columellar 

 margin reflexed over the minute perforation. Columella terminating 

 in a strong, plaited, pinkish-brown, projecting tooth. 



Length, 19; diam., 9 mm. 



Habitat, Nahiku, East Maui. 



Animal when extended in motion as long as the shell. Mantle 

 intensely black with a narrow white band encircling the outer edge. 

 Foot above and below very light-brown, granulated above. Tentacles 

 long and slender, slate color. 



There occurs also a pure-white form of the shell without any bands. 



We dedicate this shell to Mr. D. T. Fleming of Maui, to whom 

 science is indebted for its discovery. 



Partulina lemmoni, n. sp. 



Shell sinistral, imperforate, solid, acuminately ovate conic, apex 

 acute ; surface shining, striated with fine growth-lines, and under a 

 lens showing close, delicate, decussating spiral strias ; nuclear whorls 

 smooth. Color white, variously striped with numerous dark-brown 

 lines and bands, the constant ones being two broad bands, one en- 

 circling the base, and the other at the periphery, continued on the 

 middle whorls above and below the suture, obsolete above; apex white. 

 Whorls 7, narrowly margined above, convex ; sutures deeply im- 

 pressed. Aperture oblique, oval, white, exhibiting the outside color- 

 ing within. Peristome acute, thickened within, narrowly reflexed. 

 Columella terminating in a long, flexuous, white plait. 



Length, 23; diam., 11^ mm. 



Habitat, Nahiku, East Maui. 



Animal in motion as long as the shell. Mantle brownish-black, 

 mottled with white streaks, with a broad yellowish-brown border 

 somewhat interrupted. Foot above and below very light-brown. 

 Tentacles slate color. 



Named in honor of Mr. N. E. Lemmon, of Nahiku, who discov- 

 ered it. 



Partulina carmcolor, n. sp. 



Shell dextral, minutely perforated, solid, acuminately oval conic, 

 apex subacute; surface lusterless, marked with delicate incremental 



