330 LAMINELLA, OAHU. 



marked with shreds of cuticle over a dull ere am- whitish 

 ground. Interior pinkish-white, with a rose or purplish 

 band within the lip, columella of the same color. 



3. L. SANGUINEA (Newcomb). PI. 55, figs. 9, 12 to 16. 



Shell acuminately oblong; whorls 7, convex below, plano- 

 convex above; suture distinctly marked; aperture subovate; 

 columella armed with a twisted plicate tooth; lip simple. 

 Color of shell from roseate to sanguineous, thickly covered 

 with black lineations forming -chain-work and zigzag markings 

 on the three lower whorls ; denuded of epidermis above ; apex 

 mamillate and black. Length eighteen-twentieths, diam. eight- 

 twentieths inch (Newc.}. 



Animal as long as the shell; anterior superior portion a 

 dark brown, with tentacles of the same color; posteriorly cut 

 up into squares and other geometrical figures by light-colored 

 lines. Mantle light flesh color; bottom of foot light-green 

 (Neiucomb}. 



Oahu, western range: Lihue (Newcomb) ; Waianae (Cooke, 

 Baldwin). Interior of Koolau range: Kawailoa (Perkins), 

 Helemano (Gulick, Perkins). Wahiawa, Kalaikoa, Ahonui 

 (Gulick) ; and on the ocean slope in Kahana valley (Cooke). 



Achatinella sanguinea NEWC., P. Z. S., 1853, p. 135, pi. 22, 

 f. 15; Ann. Lye. N. H. of N. Y., vi, 326 (animal) . PFB., 

 Monogr., iv, 547. BALDWIN, Catal., p. 8. THWING, Occ. 

 Papers, B. P. B. Mus., iii, p. 127, pi. 2, f. 24:.Amastra 

 (Laminella) sanguinea Newc., SYKES, Fauna Hawaiiensis, p. 

 351. Achatinella ferussaci PPR. [" Fernsfaci ' in some 

 copies, according to Pfr.] P. Z. S., 1855, p. 203 ; Monographia, 

 iv, 546. Laminella sanguinea Nc., GULICK, Evolution, Racial 

 and Habitudinal, p. 38, pi. 1, f. 6 (Helemano). 



In embryonic shells of 3y 2 whorls, length 5 to 5.6 mm,, 

 the first whorl is flesh-colored, the rest pale-yellow. The first 

 whorl is glossy and shows very fine, weak growth-striae. On 

 the next whorl the strise become strong and arcuate ; and on 

 the third whorl there are also low ribs, sculptured by the 

 striae. The periphery at this and earlier stages is angular 

 and the base nearly smooth. Axis is narrowly perforate. 



