INDEX. 
445 
276, .supra-peclal 157, 196, 226, 314, 
vaginal 364, ventral 196, 314, vesti- 
bular 357. 
Glandular system I40, Anodonta 178, 
313, Helix 157. 
Globose univalve 25. 
Glochidmm parasitimm 322, 383. 
Glossopliora 256. 
Glycogen 280. 
Gnatliopliora 250. 
Gonads 358, of archetype I4I, in 
Anodonta 184, of gastropods 358. 
Gonial ridge 45. 
Goniuni 45. 
Growth and time curve in Limnwa 
stagnalis 81. 
Gullet (see (Esophagus). 
Gustatory organs 151, 242, 272, Ano- 
donta cygnea 171, Cyclostoma elcgans 
242, Helix 151. 
Gut 281, anterior 245, median 245, 
terminal 246. 
Gynogama 357. 
Gypsobelum, of Helix aspersti 163, H. 
hortensis 369, H. lapicida 368, H. 
pomatia 369, H. pulchella 368, H. 
virgata 368, annulus of 366, lodged 
in viscera 366, diagrammatic sections 
of gypsobela. Helix aspersa 367, H. 
hispida 367, H. itala 367, H. 2nsana 
367 ; in sitft Helix aspersa 160, Zoni- 
toides excavata 363, 370. 
Habits, influence on shell 62, 76. 
Hairy processes of periostraca 73, for- 
mation and uses of 74. 
Haplogama 356. 
Haplogona 396, distribution 396, pi. iv. 
sexual organs 396. 
Haplostyla 368. 
Hpematin 328. 
Hmmatoporphyrin 308. 
Hsematocoeles 293. 
Hfemocoel 289, 381. 
Haemocyanin 295. 
Hsemoglobin 295, 328. 
Hfemolymph (see Blood). 
Headon beds 411- 
Heat, influence on colour 330, on shell 
substance 76. 
Heart 139, Anodonta cygnea section of 
291, development 290, 292, Helix as- 
persa 155, primitive arrangement of 
142, pulsation of 157, 296. 
Helix, arrangement of locomotory 
muscles 348, diagram showing body 
cavity 204, diagram showing pul- 
monary cavity 145, external fea- 
tures 144, glandular system 178, 
supra-pedal gland 196, tactile sense 
150, ureter 336, venous sinuses 294. 
Helix aculeata, embryonal sculpture 
72, 73, sculpture 27, 70. 
Helix acuta, form 24, sexual organs 363. 
Helixarhustorum, duplex periostracum 
22, nephridial cells 333, strength 
350, varicosity of shell 69, vision 235. 
V. jlavescens 22, 91, v. fusca 91, 
V. rudis 70. 
//c/far asy)ers«, alimentary canal 153,154 
245, amorous preludes 372, artifici- 
ally scalarid 118, buccal retractors 
159, cephalic region 185, cephalic 
retractor 159, columellar retractor 
159, combination shells 122, dart 163, 
dart, section 367, dart, annulus of 
366, darts in viscera 366, digestive 
gland, structnre and function 154, 
eaten by mice 417, external features 
144, extrinsic buccal muscles 158, 
159, 258, eye retractor 231, feeding 
track 260, form of shell 33, formula 
of odontophore 152, 270, heart 155, 
hibernacula 310, 311, homing 312, 
imperforate shell 29, intestinal cells 
281, labial lobes and mouth 190, lip 
colouring 88, locomotory waves in 
foot 192, lung 8, mandible 152, 
medicinal uses of 427, muscular sys- 
tem 1-58, nerve ring 149, nervous 
.system 148, odontophore 152, 261, 
270, oesophageal cells 274, olfaction 
229, organization 143, otocysts in 
situ 151, ovarian ovum 377, ovotestis 
358, penial retractor 159, pharynx 
cells 257, pulsations of heart 1.57, 
sexual organs 160, 162, speed 349, 
strength 50, tentacular retractoi’s 
159. 
v. albo-fasciata pi. i., f. 2, v. 
flammea 101, pi. i., f. 3, v. major M, 
V. minor 84, v. solidissima 78, v. 
tenuior 77, v. zonata pi. i., f. 15, 
95, m. cornucopia 26, 116, ni. sinis- 
trorsuni 108. 
Helix cantiana, speed 349, young 74, 
vestigial banding 101. 
V. albocincta 101. 
Helix caperata 96,sculpture27,keel 31. 
V. ornata, procryptic colouring 
of 96. 
Helix fusca, stylophore 370. 
Helix granulata, form 25, periostracal 
hairs 27, 75, umbilicate 29. 
Helix hispida, affinities 57, dart, sec- 
tion 367. 
V. depilata 75, v. hispidosa 75. 
Helix hortensis, base of shell 30, band 
multiplication 99, apertural rib 70, 
band cessation 100, dart 369, in)per- 
forate shell 29, light, effect upon 
colour 87, maturation of ova and 
spermatozoa 377, otoconia 239, 
thermo-pulsatory curve 298, vision 
236. 
V. fagorum 94, v.flavo-virens 61, 
V. flavo-viridis 61, v. griseo-lutea 61, 
