. The shell book . d whorls. The ground colour of dark red is crossedby an irregular system of zigzag streaks of black. Length, J inch. Habitat.— Lehiu, Oahu. Genus CARELIA, H. and A. Ads. Shell long, turriculated, with flattened whorls; columellastrongly arched and twisted; aperture small. Few species inHawaiian Islands. The shells of this genus are larger than in Achatinella. Theyshow a prevailing preference for shades of brown. The Obelisk Carelia (C. obeliscus, Rve.) is three times ashigh as its width at base. There is a sharp median angle on thebody whorl. Dark brown at base, the colour g
. The shell book . d whorls. The ground colour of dark red is crossedby an irregular system of zigzag streaks of black. Length, J inch. Habitat.— Lehiu, Oahu. Genus CARELIA, H. and A. Ads. Shell long, turriculated, with flattened whorls; columellastrongly arched and twisted; aperture small. Few species inHawaiian Islands. The shells of this genus are larger than in Achatinella. Theyshow a prevailing preference for shades of brown. The Obelisk Carelia (C. obeliscus, Rve.) is three times ashigh as its width at base. There is a sharp median angle on thebody whorl. Dark brown at base, the colour gradually fadestoward the blunt apex. Length, 3 inches. Habitat.— Hawaii. Cumings Carelia (D. Cumingiana, Pfr.) is the handsomestspecies. Each flattened whorl is bevelled at both margins as ifby an edged tool, making the suture a regular channel, which isoutlined with white spiral lines. The browns in the elongatedspire emulate the shading in a middle-aged meerschaum , 2 inches. Habitat.— Kauai. 278. TROPICAL SXAILS 1 Zebra Agate Shell, Acliatina :ebra. 3 Brazilian Hungry Snail, Biilimus oralns. hatching from eggs 2 Banded Tree Snail, Ligiius jasciala. 4 Brazilian Hungry Snail, Bulimia oraltis, adult shell. 5 Left-handed Agate Shell, Achatina sinistrarsa.
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Keywords: ., bookcentury1900, bookdecade1900, bookidshellbook00r, bookyear1908
