†Band triple in young and thin specimens, (wanting in varieties. Bandless specimens of Nos. 24, 25, 27, 28, 33, have been noticed.) Colors, uniform brown or olivaceous, sometimes mottled. Obliquely reticulate grooved, or wrinkled-malleated. From forests of oak, etc., in middle regions, or moderate elevations southward.
X Group. (“Arianta” Albers, No. 23. “Polymita” Tryon, No. 24.) Form resembling H. pomatia, sculpture in zigzag or divaricate grooves. Subimperforate.
23 Californiensis Lea. Wh. 5, yellowish-olive, thin, band pale-margined, sculpture faint, subglobose; diam. 0.75 to 0.88, axis 0.56 to 0.62.
24 redimita W. G. Binn. Wh. (4½) 5½ to 6, reddish brown, band single, umbil. small or none; (var. of 25?) diameter 0.80, axis 0.48.
XI Group. (Arianta and Aglaia part., auct.) Form much like Arianta arbustorum, sculpture like last. Umbilicate.
25 Nickliniana Lea. Wh. 6 to 7, yellowish-brown, oblique grooved, wrinkled or malleated, umbil. small; diam. 0.72 to 1.05, axis 0.42 to 0.80.
26 Bridgesii Newc. (Not of Tryon, 1866.) Wh. 6, grayish corneous, thinner, band broader, umbil. wider than 25 (a var.?); diam. *1.00, axis 0.73.
27 arrosa Gld. Wh. 5½ to 7, brown, mottled yellow, (vars. yellow or olive, bandless) wrinkled malleate; diam. 1.10 to *1.60, axis 0.59 to 0.90.
28 exarata Pfeiff. (Not of Weigm. = cælatura Fer.) Wh. 6 to 7, yellow, or olive and brown mixed, strongly wrinkled, faintly malleate; diam. 0.75 to 1.15, axis 0.40 to 0.62.