INDEX 



685 



Myriapoda, 389. 

 Polygastria, 32. 

 Polypi, 1'25. 137. 151. 

 Ptcropoda, 537. 

 Rotifera, 49. 

 Tuiiiiata, 477. 483. 

 Generation, equivocal, 43. 78. 87. 115. 

 Fissipavous, 27. 34. 63. 124. 178. 185. 

 Larvipiuous, 402. Genimlparoiis, 29. 

 G4. 124. 157. 178. 254. 481. Piipi- 

 paroiis, 402. 42 G. Kapid rate of, in 

 Infusoria, 34. 53. 

 Germ-cell, 65. 7.5. 113. 124.152. 182. 



259. 276. 478. 525. 566. 570. 636. 

 Germinal vesicle, 52. 112. 181. 213. 



229. 464. 478. 523. 635. 

 Gei-m-mass, 113. 407. 

 Glaucoma scintillaiis, 18. 

 Gnathostoma, 99. 

 Gonium, 29. 

 Gordiaeea, 58. 

 Gorgonia, 137. 

 Gregarina, 3. 29. 35. 62. 

 Guinea-worm, 96. 

 Gymnosomata, 512. 



Hairs of Anellides, 



of Spiders, 448. 

 Haliotis, 548. 559, 560. 

 Halodactylus, 151, 152. 

 ITamitc, 597. 

 Haustellata, 346. 

 Hearing, organ of, in 



Cephalopoda, 585. 619. 



Cirripedia, 281. 



Cntstacea, 311. 



Gastropoda, 553. 



Insecta, 368. 



Lamellibranchiata, 511. 



Pteropoda, 537. 

 Heart, 6. 



In Annulata, 234. 237. 



Araclinida, 454. 



Brachiopoda, 494. 



Cephaloi)oda, 587. 624. 



Cirripedia, 282. 



Crustacea, 318. 



Echinodcrma, 197. 206. 210. 



Epizoa, 272. 



Gastropoda, 559. 



Insecta, 382. 



Lamellibranchiata, 504. 507. 



Polygastria, 25. 



Pteropoda, 537. 



Rotifora, 49. 



Tunicata, 474. 476. 483. 

 Helix, 541. 549. 562. 

 Hemimctabolii, 347. 

 Hemiptera, 347. 

 Herm.aphrodite, 13. 86. 327. 406. 



Hetcrogangliata, 13. 470. 



Ilexapod insects, 345. 440. 



Hinge of bivalve shells, 515. 



Hivc-bce, economy of, 427. 



Holostomata, 575. 



Holothurioulea, 208. 210. 225. 



Homogangliata, 13. 225. 



Huni])lt' hoc, economy of, 428. 



Hunter, John, 3. 12. 163. 168. 318. 

 His experiment on a fly, 379. On the 

 circulation in Insects, 383. His soft- 

 shelled mollusks, 471. 



HyaleiU, 536. 



Hyaline, 32. 465. 



Hydatina, generation of, 52. 



Hydra, 120. 



tub.i, 183, 184. 



Hydrozoa, 120. 155. 



Hymenoptcra, 347. 353. 441. 



Iclineumon, p.arasitic habits of, 417. 



Inferobranchiata, 540, 573. 



Infusoria, 1 6. Tenacity of life in, 42. 



Siliceous deposits of, 37. 

 Ink of Cuttle-fish, 623. 

 Insect metamorphosis, 422. Analogy of 



development of human embryo with, 



438. Of Marsupialia with, 439. Of 



Batrachia with, 439. 

 Insecta, 344. Orders of, 440. Wings 



of, 347. 

 Instrumcnta cibaria, 373. 

 Invertebrata, 11. 

 Isopoda, 305. 343. 

 lulus, 348. 356. 392, 393, 394. 



Janthina, 565. 



Lasmodipod.a, 343. 

 Lamellibranciiiata, 471. 503, 531. 

 Land-crabs, 322. 341. 

 Larva, animals typified by in Insects, 



definition of, 422. 

 Leech, 228. Stomachs of, 104. Suckers 



of, 229. Teeth of, 230. Eyes of, 248. 



Genitals of, 254. 

 Lceuwcnhock, 17. 54. 522. 

 Lepadoids, 278. 295. 

 Lc pas, 277. Its shell, 278. Its nervous 



system, 280. Its digestive system, 



282. Its larva, 288. 

 Lepidoptera, 347. 353. 441. 

 Lern.Ta, 267. 

 Leucophrys, 24. 

 Levigrada, 468. 

 Ligament, 515. 

 Limn.Tcus, 553. 569. 

 Limulus, 298. 312. 343. 

 Linguatula, 101. 

 Linguliihe, 503. 

 Linnaeus, 1. 9. 



