INDEX 



719 



Heteromonadidae, 27. 

 Heteromysis, 383. 

 Heteronemertea, 207. 

 Heteronereis, 288. 

 Heteropbrys, 23. 

 Heteropoda, 551. 

 heterostropha (Physa), 



511. 



Heterotrichida, 57. 

 Hexactinellidae, 77. 

 Hexactiniae, 141. 

 hexagonus (Hyroides), 302. 

 Hexamitus, 31. 

 hexaptera (Sagitta), 272. 

 hexaris (Aspidisca), 64. 

 hibernalis (Filistata), 419. 

 hincksi (Campanularia), 



111. 



Hinge (in pelecypods), 564. 

 Hippa, 393. 

 Hippasteria, 627. 

 Hippidae, 393. 

 Hippolyte, S87. 

 hippolytes (Bopyroides), 



382. 



Hipponoe, 643. 

 Hippospongia, 84. 

 Hircinia, 85. 

 hirsuta (Polygyra), 521. 

 hirsutum (Alcyonidium), 



260. 



hirsutus (Hadrurus), 405. 

 hirsutus (Planorbis), 513. 

 hirtus (Coleps), 52. 

 hirudinaceus 



(Gigantorhynchus), 230. 

 Hirudinea, 315. 

 Hirudinidae, 320. 

 Hirudo, 320. 

 hirundoides (Eurytemora), 



343. 



hispida (Echinomera), 44. 

 hispida (Flustrella), 260. 

 hispida (Lichenopora), 251. 

 hispida (Tethya),79. 

 hispida (Tracbelomonas), 



32. 

 hispidipes (Leptodesmus), 



472. 

 Mstolytica (Entamoeba), 



16. 

 histrionica (Limnesia), 



452. 



hofmanni (Castrada), 163. 

 holmani (Chirocephalus), 



330. 



Holomisis, 91. 

 Holophrya, 51. 

 Holopidae, 621. 

 Holopus, 621. 

 Holosticha, 62. 

 Holostomata, 187. 



Holostomum, 188. 

 Holothuria, 648. 

 Holothuriidae, 648. 

 Holothurioidea, 646. 

 Holotrichida, 50. 

 Homarus, 389. 

 hominis (Babesia), 47. 

 hominis (Sarcoptes), 440. 

 Homoccela, 75. 

 Hookworm, 223. 

 hooperi (Stylactis), 100. 

 Hoplonemertea, 209. 

 Hoplorhynchus, 45. 

 Horny mites, 442. 

 Horse leech, 320. 

 Horse mussels, 572. 

 Horse sponges, 84. 

 Horseshoe crabs, 400. 

 hortensis (Arion),527. 

 hortensis (Helix), 520. 

 hortorum (Leucauge), 427. 

 hufelandi (Macrobiotus), 



458. 



humilis (Lymnaea), 510. 

 huxleyi (Oikopleura), 659. 

 huxelyi (Pauropus), 467. 

 hyacinth! (Rhizoglyphus), 



442. 

 hyacinthina (Periphylla), 



128. 



Hyalea, 498. 

 Hyalella, 367. 

 hyalina (Cryptops), 475. 

 hyalina (Daphnia), 335. 

 hyalina (Leptodora), 338. 

 hyalina (Lyonsia), 600. 

 hyalina (Schizoporella), 



257. 



hyalinis (Pamphagus), 21. 

 Hyalonema, 77. 

 Hyalonematidae, 77. 

 Hyas, 395. 



hyatti (Rossia), 609. 

 Hybocodon, 102. 

 Hyctia, 435. 

 Hydatina, 237. 

 Hydatinidae, 237. 

 Hydra, 92. 

 Hydrachna, 449. 

 Hydrachnidae, 447. 

 Hydrachninae, 449. 

 Hydractinia, 100. 

 Hydractiniidae, 99. 

 Hydrallmania, 108. 

 Hydranth, 91. 

 Hydrariae, 92. 

 Hydrobiidae, 541. 

 Hydrocaulus, 91. 

 Hydrocladia, 108. 

 Hydrocorallinae, 93. 

 Hydroid type of structure, 



87. 



Hydroides, 302. 

 Hydroids, 86. 

 Hydromedusae, 90. 

 Hydrorhiza, 91. 

 Hydrotheca, 104. 

 Hydrozoa, 90. 

 Hydryphantes, 449. 

 Hydryphantinae, 449. 

 Hygrobates, 450. 

 Hygrobatinae, 450. 

 Hymenolepis, 199. 

 Hyperia, 365. 

 Hyperiidae, 365. 

 Hyperiidea, 365. 

 hypnorum (Aplexa), 512. 

 Hypobranchial gland, 528. 

 Hypopus, 441. 

 Hypostome, in hydroids, 



91 ; in mites, 436. 

 Hypotrichida, 60. 

 Hyptiotes, 418. 



IBLA, 360. 

 Ichthydium, 244. 

 Ichthyobdellidae, 317. 

 idae (Cristatella), 264. 

 Idothea, 376. 

 Idotheidae, 376. 

 Idyia, 154. 

 illecebrosus 



(Ommastephes) , 610. 

 illinoisensis (Pleodorina), 



38. 



Illoricata, 235. 

 illuminatus (Bdellodrilus), 



306. 



Ilyanassa, 558. 

 imbicilis (Anodonta), 582. 

 imbricata (Dermasterias), 



628. 

 imbricata (Harmothoe), 



285. 



immaculata (Natica), 538. 

 immacalata (Scutigerella), 



466. 



immitis (Filaria), 219. 

 imparispinosus 



(Amphiporus), 211. 

 imperator 



(Branchiocerianthus) , 91. 

 Imperforina, 20. 

 Imperial purple, 555. 

 implexa (Filograna), 302. 

 implicata (Anodonta), 581. 

 impressa (Loxochonca), 



356. 



impressus (Parajulus), 469. 

 incisa (Nephthys), 289. 

 incolorata (Persa), 120. 

 inconstans (Trichodrilus), 



311. 

 Indentata (Vitrea), 525. 



