44i 



Hirudo, 199, 200, 201, 203, 204. 



226. 



. 229. 

 Histiodenna, 47, 224. 



. 12. 



.riobdella, 263. 



n, Vander, 303. 

 JIotTmann, 144. 

 Holocystis, 115. 

 Holometabola, 2 

 Holopedium, 330. 

 Holopus, 129, 130. 



-tomata, 308-9. 

 Holothuriada, 120, i 

 Holothuria, 153. 

 Holotricha, 66. 

 Holotrocha, 197. 

 Holtenia, 78. 

 Homaloceraeus, 150. 

 Homarus, 337, 353. 

 Homodynamic, i-. 

 Homoeopoda, 151. 

 Homologous, n. 

 Homomorphic, 85. 

 Homomya, 261. 

 Ilomonomous, 12. 

 Homoplastic, 10. 

 Homoptera, 399. 

 Homotypical, 12. 

 Hoplophora, 373. 

 Hormiphora, 108. 



Hu'bncr, 04. 

 Hubrecht, 159. 

 Human parasites, 185. 

 Humphrcy-ki, 257. 



:iian formation, 46. 

 Huxley. 72, 12'., 155,248. 

 Huxli". 



279. 



nma, 373. 



rhyncha), 357. 

 ')$ 



na, i-)7. 



f, 70. 



Hydractinid.i 



Hydranth, 85. 

 Hydra tuba, 103. 

 Jlydridae, 81. 

 Hydrobius, 395. 

 Hydrocaulus, 84. 

 J lydrocores, 401. 

 Hydrocysts, 99. 

 Hydrod'ictyon, 4. 

 Hydrogen, 7. 

 Hydroida, 81. 

 Hydrolaridae, 93. 

 Hydrophilu-. 

 Hydrophyllium, 98. 

 Hydrophyton, 85. 

 Hydrorhiza, 84. 

 Hydrosoma, 81. 

 Hydro theca, 93. 

 Hydrozoa, n, 46, 81. 

 Hymenogorgia, 122. 

 Hjonenoptcra, 391. 

 Hyperidae, 361. 

 Hypoblast, 37. 

 Hypogaeon, 219. 

 Ilyponome, 129. 

 Hypophalli, 183. 

 Hypopharyngeal ganglion. 2' 5. 

 Hypostome, 85, 350. 

 Hypotricha, 66. 

 llystrichis, 187. 



lanthina, 281, 289, 298, 30 >. 

 Ibla, 342. 

 Ichneumon, 421. 

 Ichthydium, 166, 218. 

 Ichthyobdclla, 202, 204. 

 Idalia, 305. 

 Idoscopic eyes, 27. 

 Idoteidae, 362. 

 Jduna, 72. 

 Idyia, 107-8. 

 llcoparictal septum, 251. 

 Ilyanthus, 114. 



:ial discs, 347. 



- 397- 



Imbricate, 286. 

 [6O. 



Imprrator, 307. 

 Imi'cilorata, 53. 



; S7- 



- JT.v 

 '''5- 

 Iinli.i. 



Indian piovincc. 



