1 5 o THE LIFE OF THE MOLLUSC A 



Gibbula cinerea : radula, iii. 



Gibbus, 98 



Gibbus Lyonetanus, xxxii. 



Gills, 7, 28, 29, 128-131, iv. 



Girdle of Chitons, 15 



Gizzard, 69, 124 



Glaucomya, 58 



Glaucus Atlanticus, xii. 



Glochidium, 82 



Glycimeris latitans, xvi. 



Glycimeris pectiniformis, xvii. 



Glyptosoma, 21 



Gonatus, 127 



Grey Slug. See Limax maximus. 



Growth, 5 



Gryphcea arcuata, 98, xxx. 



Guard of Belemnite, 40 



Habits of Mollusca, 67 



Haliotidas, 24, 53 



Haliotis (Ormer), n, 20, 24, 53, 



95, 142 



Haliotis tuberculata, vii. 



Hamites, 38 



Hamites attenuatus, xxii. 



Harpa, 63, 116, 125, 135 



Harpa ventricosa, xi. 



Hearing, 9 



Heart, 6, 127 



Hectocotylization, 88 



Helcion, 57 



Helicarion, 136 



Helicarion tigrinus, 124 



Helicella conspurcata, 78 



Helicella itala, 77 



Helicella virgata, 114 



Helicigona lapicida, xiii. 



Helicinidas, 60 



Helicoceras rotundum, xxii. 



Helicostyla, 120 



Helix, 12, 48 



fifc/ia? aspersa (Common Garden 



Snail), 12, 75, 90, 126, 137, 



xxxi. 

 Heftx desertorum, 61, 75, 120, xiii. 

 £fe/& hortensis, feeding tracks, 



xxvii. 

 Heft* tacfea, 71 

 ff*W# nemoralis, 77, 139 



Hi££# nemoralis : mandible; iii. 



Htffo> Pisana, 113 



Helix pomatia (Roman Snail), 73, 



137. *39 



if^fcr pomatia : radula, iii. 

 Helix tristis, 60 

 Helix Veatchii, 75 

 Helminthochiton, 46 

 Hermaphroditism, 87 

 Hevmcea bifida, 121, xii. 

 Hermcea dendritica, 121 

 Heteromyarian, 34 

 Heteropoda, 56, 105, 117 

 Heterostrophy, 19 

 Hinge line, 32 

 Hinge plate, 32 

 Hinge teeth of bivalves, 3 1 

 Hinnites sinnosus, xvii. 

 Hipponycidse, 103 

 Hipponyx, 68 

 Hippopus, 106 

 Hippopus maculatus, xix. 

 Hippuritidas, 49 

 Holopcsa, 45 



Holostomatous shells, 20 

 Homing instinct, 137 

 Hyalcea, 61 

 Hyalimax, 106 

 Hybernaculum, 73 

 Hybernation, 72 

 Hydrocenidse, 60 

 Hyperstrophy, 18, iv. 

 Hypostracum, 4 

 Hypselostoma, 98 



Ianthina (Purple Sea Snail), 56, 

 69, 80, 89, n6, 126, 129, 132, 



143 

 Ianthina frag His, x., xxx. 

 Imperator olivaceus, viii. 

 Incubatory Mollusca, 91 

 Inequilateral, 31 

 Inequivalve, 31 

 Ink-sac, 36 

 Inoceramus, 141 

 Iphigenia, 57 

 Isocavdia, 107 



Isocardia Jnimana, xviii., xxx. 

 Isomyarian, 34 



