578 
9(lp^a6eti?c^e§ ©ad)vegiftei-. 
Hydrachnidae 9Sev6reitung 192. 
Hydraclminae 182. 
Hydroliia 57. 62. 85. 514. 
— baltica 62. 
— ©eogi. SSerbreitung 62. 
— stagnalis 62. 
Hydrobius oblongus 106. 
Hydrocampa 113. 114. 118. 
— nymphaeata 113. 
Hydrocharis morsus ranae 453. 
Hydrochoreutes ungulatus 180. 
Hydrodictyeae 431. 
Hydrodictyon 431. 447. 
Hydrodroniici 139. 
§l}bvDib)3oIl)p 359. 
Hydrometra 140. 
— paludum 140. 
— palustris 140. 
Hydroiiomus alismatis 108. 
Hydroporus 99. 138. 
— parallelograminus 99. 
Hydropbilidae 103. 
Tlydropbilus 103. 104. 
— piceus 103. 106. 
Hydropsyclie 150. 157. 
Hydropsychidae 147. 157. 
Hydroptila 158. 
— Mac Laclilani 150. 158. 
Hydroptilidae 147. 158. 
llydrous 103. 104. 
— caraboides 103. 106. 
Hydrurus penicillatus 508. 
Hydryphantes 188. 191. 102. 
— flexuosus 188. 
— ruber 188. 
Hydrypbantinae 182. 188. 
Hygrobates 494. 
— longipalpis 190. 191. 192. 494 
— reticulata 191. 
Hygrobatinae 182. 186. 
Hymenoptera 110. 
Hypliydrus ovatus 99. 
Hypnum 452. 
Hypotricha 384. 
s. 
15. 
;3cit1cl)in§fl) 17. 
Ichthyobdella 283. 
Icbthydea 357. 
— ®e|timnmng§tabeKe 358. 
Icbtbyonema 291. 
— sanguineum 291. 
Ichthyophthirius 387. 393. 
— multifiliis 393. 
Tchtby’^otaenia 300. 
— filicollis 301. 
— longicollis 301. 
— ocellata 301. 
Idotliea 212. 
— entomon 531. 534. 
Senniiigä 17. 
Sgelfolben 453. 
S^eving ü. 18. 
Ilyocryptus 242. 265. 
Ilyocypris 231. 
— gibba 231. 
^m^of 14. 16. 18. 
Imperforata 402. 
Inaequipalpia 147. 150. 
Infusoria 380. 
— ?(ufent’^alt 394. 
— baud)l)aarigc 384. 
— ^JeftimniungStabeße 391. 
— i?on|ugation 383. 
— Jl?o^3uIation 383. 
— S'ortpfiauäung 383. 
— in Slufgüffen 394. 
— 9Jal)vung bec 392. 
— ißavofttt§mu§ beu 393. 
— ÜSerbreitung 395. 
— SBimpern 382. 
Snfu[orienerbe 546. 
Insecta 93. 
:3od)argen 433. 
Isactis 439. 
17. 
Isoetes lacustris 451. 
Sfopoben 205. 211. 
Isopteiyx 171. 
Isotoma palustris 172. 
e. Sftüanffi 15. 16. 
Juncus 453. 537. 
Surine 11. 
iläfeu 96. 
ilaffa 15. 
i?annu[d)ncde 62. 
^appeniuuvm 291. 
ßapenpai 532. 
5?cnt 11. 16. 
Äe^Ier 17. 
.Setten tievd)en 328. 
Stefenfufs 245. 
Sieferegef 280. 
