lord 
LOBIGER. 167 
L. SERRADIFALCI Calcara. PI. 10, figs. 27, 28, 29, 30, 31, 32, 33, 
a0: 
Shell ovate, delicate thin and fragile, subtransparent, and 
corneous; delicately striated; involute, the spire umbilicated. 
Aperture as long as the shell, oblong, narrowed above, broadly 
rounded below, produced far above the apex of the shell. Outer 
lip regularly arcuate, basal lip effuse, columella thin, broadly con- 
cave below, with a conspicuous reflexed margin across the preceding 
whorl. Alt. 123, diam. 83 mill. 
Animal elongated, the posterior part and outer surface of pleuro- 
podial lobes bearing numerous scattered conic papille. Color 
citron-yellow, with a perceptible greenish tinge, the sole a more 
diluted tint. Pleuropodial lobes broad and rounded, with narrow 
bases ; edged by a white line, within which is a crimson line; the 
papillee of the surface showing the same distribution of color. 
Length slightly exceeding one inch. 
Mediterranean Sea: Bay of Palermo (Caleara et al.); Messina 
(Krohn); Bay of Naples (Mazzarelli); Gulf of Marseilles (Vays- 
siere). 
Lobiger philippii Kroun, Ann. Sci. Nat. (3), vii, 1847, p. 52, pl. 
2, f. 1, 2—SouLEyeEr, Journ. de Conch., 1850, p. 232, pl. 10, f. 13, 
14 (shell).—FiscHer, Journ. de Conch., vii, 1856, p. 274.—A. 
ApaAms, in Sowb., Thes., ii, pp. 598, 602, pl. 121, f. 57; pl. 119, f. 
18.—Morcu, Journ. de Conch., 1863, p. 47—VaysstERB, Rech. 
Zool. Moll. Opistobr., Tectibranches, in Ann. Mus. d’Hist. Nat. 
Marseille, Zool., li, pp. 177, 100.—Bullea serradifalei CaLcaRa, 
Monografie dei generi Clausilia e Bulimo, coll’ aggiunta di alcune 
nuove specie di Conchiglie Siciliane, p. 44 (1840).—-Lobiger serradi- 
falci Monrs., Journ. de Conch., 1878, p. 159.—MazzareEvu, Boll. 
della Societa di Naturalisti in Napoli, vi, 1892, p. 98 (anatomy ).— 
Lobiger corneus Morcu, Journ. de Conch., 1863, p. 48 (based solely 
upon figure of shell in Thes. Conch., pl. 121, f. 57). 
The first description of this species is that of Calcara in 1840, 
Krohn’s being seven years later. Moérch’s L. corneus is utterly with- 
out distinctive characters. 
L. pELLUCIDUs A. Adams. 
Shell oval, subinvolute, white, fragile, pellucid; longitudinally 
substriate, the spire concealed. Aperture oblong, ample, produced 
and somewhat narrowed behind, dilated in front; inner lip thin, 
subreflexed, outer lip arcuate with the margin acute. (Ad.). 
Habitat unknown (Cuming coll.). 
