626 
Dreissensia, 456. 
Holometopus, 164. 
holostoma, Ampullaria, 187. 
Lanistes, 187. 
homologum, Cerithiwm, 246. 
homologus, Potamides, 246. 
Homorus, 490, 492, 493, 499, 503, 506, 
509, 510, 511, 512, 602. 
hongkongensis, Melania, 90, 95. 
Horea, 249, 589. 
Horea, 249, 266, 335, 336. 
horei, Giraudia, 309, 312. 
Grandidieria, 393. 
Hylacantha, 317. 
Melania, 312. 
Nodularia, 394. 
Parreysia, 382, 398, 587. 
Reymondia, 312 (Fig. 62), 589. 
Tiphobia, 316 (Fig. 64), 317, 589, 
591. 
Typhobia, 317. 
Unio, 398. 
hortensis, Helix, 469, 470. 
Horusia, 400. 
howesi, Bathanalia, 317, 318, 589, 591. 
hiigelat, Melania, 273. 
humeralis, Philosepedon, 471. 
humerosa, Bithynia, 219. 
Bithynia stanleyi var., 219. 
Bythinia, 219. 
Inmnexa, 109, 112. 
Lymnea natalensis var., 109. 
humerosus, Bulimus, 217, 219 (Fig. 19), 
220, 568, 578. 
hupensis, Hemibia, 94, 95. 
Hydra, 533. 
Hydrachnida, 532, 585. 
Hydrobia, 221, 222, 226. 
Hydrobiide, 212, 299. 
Hydrobioides, 213, 217. 
Hydrobius, 221. 
Hydrocena, 166. 
Hydrocena, 242. 
Hydrocenide, 70, 97, 98, 166. 
Hydrognoma, 251. 
Hydrostachyacee, 557. 
hygapanus, Unio, 382. 
Hylacantha, 316, 317. 
INDEX 
Hymenocardia, 495. 
Hymenoptera, 502. 
Hyphene, 498. 
hypoleucus, Melampus, 100. 
Hypolysia, 484. 
hypsiprymnus, Parreysia, 382. 
Unio, 382. 
Hyracoidea, 599. 
Hyridella, 381, 382. 
Hyriine, 71, 410, 443, 444. 
Hyriopsis, 409. 
Taronia, 400. 
tdgi, Unio, 382. 
idia, Nyassia, 255. 
ignobilis, Melania, 278. 
Potadoma, 275, 276, 278, 284 (Fig. 
49), 287, 541, 568. Pl. XXVI, 
figs. 1-2—2a. 
iliacus, Turdus, 474. 
ilqi, Unio, 382. 
tlqui, Unio, 382. 
emitatriz, Melania, 265. 
Melanoides, 254, 265 (Fig. 43), 597. 
emitatus, Melania, 265. 
imperforata, Burungaélla, 515. 
emperialis, Bourguignatia, 320, 321. 
Paramelania, 322. 
ineequilateralis, Corbicula, 340. 
incarnata, Grandidieria, 398, 588. 
inclinans, Thapsia, 515. 
inculta, Potadoma superba mut., 
(5, 275, 276, 278, 287%, 569. 
Pl. XXV, figs. 5-5a. 
Indonaia, 381. 
Indoplanorbis, 116. 
inermis, Numida meleagris, 476. 
Planorbula tchadiensis var., 131. 
inflata, Thapsia, 515. 
infralirata, Edgaria, 334. 
Edgaria egregia f., 334. 
Paramelania, 334. 
Infusoria, 530, 533. 
ingens, Lanistes ovum, 195. 
Meladomus ovum var., 195. 
inhambanica, Melania, 257. 
innesi, Aspatharia, 421, 578. 
Bulinus, 92, 95, 136. 
