INDEX 



521 



Gastrana, 453 



Gastrochaena, 457 ; habits, 64 



Gastrodonta, 440 



Gastropteron, 245, 430 



Gaza, 376, 4O8 



Gena, 246, 4O8 



Genea, 4^4 



Genotia, 426 



Geomalacus, 160, 288, 291, 44I • pro- 

 tective coloration, 70 



Geomelania, 16, 348, 351, 414 



Georgia, 331, 414 



Georissa, 318, 410 



Geostilbia, 338, 442 



Gerontia, 441 



GerstfelcUia, 290 



Gibbula, 4O8 



Gibbus, 328-338, 440, 440 



Gillia, 415 



Gills — see Branchiae 



Girasia, 301, 304, 440 



Glandina, 54, 178, 278, 292 f., 339- 

 355, 440 ; radula, 231, 232 ; habits, 53 



Glands, germ, 134, 140 ; nidamental, 

 136 



Glassia, 501, 505 



Glaucomya, 320, 454 



Glaucus, 429, 432 



Gleba, 437 



Glessula, 301, 309, 310, 333, 442 



Glochidium, 147 



Glomus, 448 



Glossoceras, 394 



Glossophora, 7 



GloUidia, distribution, 485,\.^7 



Glycimeris, 457 



Glyphis, 4O6 



Glyptostoma, 341, 44I 



Gomphoceras, 394, 395 



Gonatus, 391 



Goniatites, 397, 398 



Goniobasis, 341, 417 



Goniodoris, 434; protective colora- 

 tion, 73 ; radula, 229 



Goniomya, 458 



Gonostoma, 291, 316, 441 



Goniostomus, 442 



Gi^ammysia, 459 



Grateloupia, 454 



Great Eastern and mussels, 116 



Greenhouses, slugs in, 35 



Green oysters, 108 



Gresslya, 458 



Growth of shell, 40, 257 



Guesteria, 440 



Guildfordia, 409 



Guivillea, 186, 376, 425 



Gulls and Mollusca, 56 



Gundlachia, 19, 325, 345, 352, 359, 

 439 



Gymnoglossa, 216, 225, 422 



Gymnosomata, 437 



Gyroceras, 247, 395 

 Gyrotoma, 417 



Hadra, 306, 315, 319-325, 322, 441 



Hadriania, 423 



Haemoglobin, 171 



Hainesia, 336, 414 



Halia, 366, 426 



Haliotinella, 431 



Haliotis, 266, 407; and coyote, 57; 

 holes of, 156 ; osphradium, 195 ; 

 epipodium, 199 ; nervous system, 

 204 ; radula, 215, 226 



Halopsyche, 159, 438, 438 



Haminea, 428, 430 ; protective colora- 

 tion, 73 



Hamites, 399 



Hamulina, 399 



Hanleyia, 403 



Hapalus, 331, 442 



Harpa, radula, 425, 216, 221; self- 

 mutilation, 45 



Harpagodes, 4I8 



Harpoceras, 399 



Harvella, 454 



Hatching of eggs, 43 



Hazay, on duration of life, 39; on 

 variation in Limnaea, 93 



Hearing powers of Mollusca, 196 



Heart, in classification, 9 ; action during 

 hibernation, 26 ; and branchiae, 169 



Hectocotylus arm, 137 f. 



Helcion, 405 ; protective coloration, 69 



Helcioniscus, 405 



Hele, F. M., on Hyalinia, 33 ; on 

 Stenogyra, 34 



Helicarion, 309, 316, 325, 332, 44O; 

 radula, 232 ; habits, 45, 67 



Helicidae, radula, 232, 234 



Helicina, 305, 306, 316-327, 338-358, 

 410 ; origin, 21 ; exterminated by 

 cold, 24 



Helicophanta, 335, 336, 441, 44I 



Heligmus, 449 



Helix, 441 ; toothed aperture, 63 ; pro- 

 tective coloration, 70 ; variation, 87 ; 

 carbonic acid, 168 ; eye, 181, 183 ; 

 food, 179 ; smell, 194 ; jaw, 211 ; dis- 

 tribution, 285 ; tenacity of life, 37 ; 

 breeding, 129 



Helix alternata, 340; angulata, 350; 

 aperta, 38, 39, 51, 293 ; arbustorum, 

 bathing, 23 ; caperata, variation, 89 ; 

 cereolus, 340 ; cicatricosa, 316 ; creni- 

 labris, 45 ; delphinuloides, 297 ; deser- 

 torum, 37, 38, 70, 294 ; Jidelis, 341 ; 

 haemastoma, habits, 70 ; harpa, 287 ; 

 hortensis, 10, 279 ; pulsations, 26 ; 

 epiphragm, 28 ; rock-boring, 49 ; dart, 

 143 ; impcrator, 347 ; habits, 45 ; 

 laciniosa, 297; lactea, 25, 38, 42, 279 ; 

 lima, 350 ; muscarum, 347; nemoralis. 



