138 XEROPHILA NEGLECTA. 
INTERNALLY, V. neglecta differs from 1. itala by possessing one dart only, 
and by its distinctly bifid stylophore it is separable from _Y. wrgata. 
Original Description.— Helix neglecta, H. testa subdepressa, alba aut fuscescente, 
fasciata ; peristomate sordidé rubro, marginato. 
Description of Shell.—SHELL somewhat depressed, convex beneath, and the 
SPIRE somewhat produced, WHORLS 53, of an unicolorous opaque whitish or yellowish 
tint, or with one broad brown or fawn coloured band above the periphery, and 
several which may be distinctly defined or more or less broken up and coalescent 
below; the apex is smooth and glossy, horn coloured or blackish ; the upper whorls 
Fic. 210. Fire. 211: Fic. 212. 
Fic. 210.—NXerophila neglecta (Draparnaud), Lauserte, Tarn et Garonne, France (after Drap., 
pl. 6, f. 12, erroneously labelled H/. exicetorum). 
Fic. 211—Frontal and Fic. 212—Basal aspect of Nerephila neglecta (Drap.), Luddesdown, 
near Cobham, West Kent, Mr. A. 5. Kennard, x 1}. 
closely and distinetly striate, which become less distinct on the body-whorl, with 
stronger and coarser ribbings at short but not regular intervals; the APERTURE 
is oblique rounded oval; the PERISTOME reddish-brown or fawn coloured ; the 
internal submarginal RIB paler or whitish; the UMBILICUS is moderately wide and 
open, exposing the whole of the spire. Diam., 14 mill. ; alt., 10 mill. 
The EPIPHRAGM is somewhat thin, transparent, and iridescent, more or less 
creased, and with innumerable calcareous particles intermingled in its substance. 
Description of Animal.—The ANIMAL is described as about 18 mill. long, and 
4 mill. wide, thin and slender in form, and of a translucent yellowish-white, darker 
dorsally, and overspread with close-set rounded tubercles; DORSAL GROOVES distinct 
and enclosing a row of large oval black speckled tubercles ; OMMATOPHORES about 
8 mill. long, translucent grey, bulbous at the extremities, with distinct eye-spots 
near the summits, labial tentacles wide apart and obliquely directed; the 
TENTACULAR RETRACTORS are visible through the transparent integument as 
longitudinally subdorsal bluish bands, arising from the base of each ommatophoral 
tentacle ; the MUZZLE is rather long, and the labial-lobes small. The feeeal lobe is 
large and triangular, and the columellar lobe is very narrow and crescentic. 
The REPRODUCTIVE ORGANS show a distinetly saceulate OvIDUCT and a well- 
marked PROSTATE or sperm-duct ; the SPERMATHECA is somewhat large, acumin- 
ately clavate or club-shaped, 
and according toM. St. Simon — ‘\fl 
greatly resembles in shape 
that of XY. explanata, and is 
Fic. 213.— 
borne on a long and slender = 
Reproductive organs o 
stem or duct; the VAGINAL 
MUCUS-GLANDS are compara- 
tively long, about 12 in num- 
ber, some showing a tendency 
to dichotomize ; Moquin- 
Tandon describes a_ large 
specimen as possessing 14 
small and grey mucus glands, 
of which 8 were on one side 
and 6 on the other; the 
PENIS-SHEATH is of a moder- 
ate length, and tapering dist- 
ally where the retractor 
muscle is affixed; the EPI- 
PHALLUS is long, about three 
times the length of the penis- 
sheath, thickest medially, 
Nerophila neglecta Dr. 
x 4 (after Prof. A. E. 
Boycott). ’ 
a. atrium 3 a.s. acces- 
sory dart-sac ; d. stylo- 
phore or dart-sac; ef. 
epiphallus; 7. flagel- 
lum; mw.gd. mucus 
glands; ov. oviduct ; 
p.s. penis sheath; 7 
penial retractor; sf. 
spermatheca ; sp.d. 
sperm duct or prostate}; 
v.d. vas deferens. 
and is probably in its natural position somewhat coiled or twisted; the FLAGELLUM 
is short and pointed ; VAS DEFERENS is fairly long, and enters the epiphallus distally. 
