522 



MOLLUSCA— BRACHIOPODA 



38, 180 ; niciensis, 292 ; nux denticu- 

 lata, 350 ; palliata, 340 ; pisana, 25 ; 

 habits, 33 ; pomatia, 25, 34, 40 ; eye, 

 181 ; pomum, 322 ; pulchella, 279 ; 

 richmondiana, 322 ; rosacea, 259 ; 

 rostrata, 347 ; rota, 314 ; rufescens, 

 pulsations, 26 ; similaris, 279 ; sou- 

 verbiana, 336, 441 ; strigata, 293 ; 

 tristis, habits, 49 ; turricula, 297 ; 

 Veatchii, 38 ; Waltoni, 304 ; Wollas- 



■ toni, 297 ; zonata, 293 



Helix aspersa, homing, 35 ; smell, 36 ; 

 duration of life, 39 ; growth, 40 ; 

 strength, 45 ; boring rock, 50 ; varia- 

 tion, 87, 89 ; eaten, 119 ; hybrid 

 union, 130 ; generative organs, 140 f ., 

 141 ; dart-sac, 143 ; pulmonary cham- 

 ber, 160; radula, 217; alimentary 

 canal, 237 ; monstrosities, 251, 252 ; 

 growth, 258 ; distribution, 279, 289 



Hemiar thrum, 403 



Hemicardium, 4-55 



Hemidonax, 453 



Hemifusus, 4^4 



Hemipecten, 450 



Hemiplecta, 310, 316, 319, 321, 440 



Hemisepius, 389 



Hemisinus, 357, 417 



Hemitoma, 265 



Hemitrichia, 314 



Hemitrochus, 346-351, 44I 



Hemphillia, 245, 341, 44I 



Hercoceras, 395 



Herdman, Prof. W. A., on cerata of 

 Nudibranchs, 71 f.; experiments on 

 taste of Nudibranchs, 72 ; on Lit- 

 torina rudis, 151 n. 



Hermaea, 432 ; protective coloration, 

 73 



Hermaphrodite MoUusca, 134, 140, 145 



Hermit-crabs, shells used by, 102 



Hero, 432 



Heterocardia, 454 



Heterodiceras, 455 



Heteropoda, 9, 420 1; radula, 228; 

 foot, 200 



Heudeia, 316, 410 



Hexahranclius, 434 ■ 



Hibernation, 25, 163 



High altitudes, Mollusca living at, 24 



Himella, 15 



Hindsia, 424 



Hindsiella, 453 



Hinge area, 493, 498 



Hinge, in bivalves, 272 



Hinnites, 257, 450 



Hipponyx, 248, 412 



Hippopus, 455 



Hippurites, 455, 456 



Histiopsis, 391 



HistioteAithis, 391 



ITolcostoma, 417 



Holohepatica, 483 



Holopella, 4II 



Holospira, 339, 353, 442 



Holostoniata, 156 



Homalogyra, 413 ; radula, 223 



Homalonyx, 245, 343-358, 443 



Homing powers of Mollusca, 34 



Homorus, 330-337, 443 



Hoplites, 399 



Hoplopteron, 422 



Horea, 332 



Horiostoma, 409 



Hot springs, Mollusca living in, 25 



Huronia, 394 



Hyalaea, 10, 436 



Hyalimax, 245, 305, 306, 338, 443 



Hyaline stylet, 240 



Hyalinia, 440 ; pulsations, 26 ; food, 

 33 ; smell, 194 ; dart, 143 ; radula, 

 232, 234; distribution, 287 1, 318, 

 340-357; H alliaria, 279; smell, 

 194 ; cellaria, 279 ; Draparnaldi, 33 



Hyalocylix, 437 



Hyalosagda, 352 



Hybocystis, 305, 309, 414 



Hybridism, 129 



Hydatina, 430 ; radula, 231 



Hydrobia, 325, 332, 415; H. ulvae, 

 egg-laying, 128 



Hydrocena, 298, 410 ; radula, 226 



Hymenoptera build in dead shells, 102 



Hypobranchaea, 434 ; radula, 230 



Hypotrema, 448 



Hypselostoma, 248, 302, 305, 314, 442 



Hyria, 344, 452 



Hystricella, 297 



lANTHlNA, 360, 126, 411 ; egg-cap- 

 sules, 125 ; eyes, 186 ; radula, 224 

 lapetella, 385 

 Iberus, 285-293, 297, 44^ 

 Ichthyosarcolites, 456 

 Idalia, 179, 429, 434 ; radula, 229, 230 

 Idas, 449 

 Idiosepion, 389 

 Illex, 390 



Imbricaria, 425 ; radula, 221 

 Imperator, 409 



Indians of America, use of shells, 100 

 Infundibulum, 4O8 

 Inioteuthis, 389 

 Ink-sac, 241 

 Inoceramus, 449 

 Insects eaten by Mollusca, 32 

 Insularia, 319, 320 

 Intestine, 241 

 lo, 16, 340, 417 

 lopas, 423 

 Iphigenia, 15, 453 

 Iravadia, 305, 415 

 Iridina, 294 

 Irus, 297 



