INDEX. 



719 



Gromia, 437, 438. 



Growing-Slide, 147. 



Grubb's Prism for oblique illumination, 



137. 

 Guano, Diatomaceae of, 304-306. 



Hairs, of Mammals, 183 ; structure of, 593- 



596 ; mode of mounting, 597 ; of Insects, 



559-561. 

 Hairs, of vegetable cuticles, 390; rotation 



of fluid in, 365, 366. 

 Halichondria, spicules of, 454. 

 Harvest-bug, 582.' 

 Haversian Canals of bone, 585. 

 Meliopelta, 290, 291. 

 Haustellate Mouth, 567, 568. 

 Henfrey, Mr., on development of pollen- 

 grains, 396. 

 Hepaticce, 344 ; see Marchantia. 

 Herapathite, 140. 



Hepworth, Mr., on feet of Insects, 577. 

 Highley's Hospital Microscope, 99, 100. 

 JJippocrepian Folyzoa, 497-500. 

 Histology, 54. 



Hamatococcus, its relations to Protococcus, 

 254. 

 sanguineus, 308. 

 Hogg, Mr., on development of Lymnasus, 



523. 

 Holland, Mr., his triplet, 80. 

 Holcthurida, skeletons of, 485, 486. 

 Hoofs, structure of, 598. 

 Hooker, Dr. Jas, on Antarctic Diatomaceee, 



301, 302. 

 Horns, structure of, 598. 

 Huxley, Mr., on Rotifera, 430, 431,435; 



on Noctiluca, 472; on blood of Annelida, 



536. 

 Huyghenian eye-piece, 82-84. 

 Hydatina, 434 ; reproduction of, 431. 

 Hydra, discovery of, 37 ; structure of, 457- 



461. 

 Hydrodictyon, 316, 317. 

 Hydrozoa, 461-470. 

 Hymenoplera, proboscis of, 566, 567 ; wings 



of, 574; stings and ovipositors of, 578- 



579. 



Jackson, Mr., his eye-piece micrometer, 



122, 123. 

 Jelly-fish, development of, 467-470. 



Ice-plant, cuticle of, 390. 

 lchneumonid(B, ovipositor of, 578. 

 Illumination of opaque objects, 176-180; 



of transparent objects, 172-175. 

 Illuminators, Black-ground, 138-140, 174, 

 175. 

 Oblique, 135-138, 173, 174. 

 White Cloud, 134, 173. 

 Images, formation of, by convex lenses, 



69. 

 Indicator, 124. 

 Indusium of Ferns, 352-354. 

 Inflection of Light, errors arising from, 



181, 182. 

 Infundibulate Polyzoa, 497-500. 

 Infusorial Earths, 303-306, 629. 

 Infusoria, 48, 411, 412; structure of, 413- 



417; movements of, 415, 416; repro- 



duction of, 418-423; peculiar forms of, 

 423, 424. 



Injections of bloodvessels, mode of making, 

 619-622 ; mode of mounting, 622, 623, 700. 



Inorganic substances as objects, 644. 



Insects, great number of objects furnished 

 by, 553, 554; microscopic forms of, 554, 

 555; antennae of, 564, 565; circulation of 

 blood in, 569, 570; eggs of, 579-581 ; 

 eyes of, 561-564; feet of, 576-578 ; gastric 

 teeth of, .569 ; hairs of, 559-561 ; integu- 

 ment of, 555, 556; mouth of, 565-568; 

 ovipositors of, 578, 579 ; scales of, 556- 

 561 ; spiracles of, 572-574 ; stings of, 

 578, 579 ; trachese of, 570-574 ; wings of, 

 574-576. 



Iris, structure of leaf of, 392-394. 



Isthmia, 298 ; markings on, 280, 281 ; self- 

 division of, 283. 



Iteh-Acarus, 587. 



Integument of Insects, structure of, 555, 

 556. 



Kidneys, structure of, 610; morbid, 664. 



Labelling of objects, 242, 243. 



Lahyrinthodon, tooth of, 641. 



Lacunae of bone, 585-588. 



Laguncula, 492-495, 500. 



Lamps, microscope, 154-157. 



Lealand, Mr., his preparations of muscular 



fibre, 195, 614. 

 Leaves, structure of, 392-394 ; mode of 



examining, 394. 

 Leech, 538 ; teeth of, 538. 

 Legg, Mr., on collection of Foraminifera, 



447-449. 

 Lepidoptera, scales of, 556-561 ; proboscis 



of, 567, 568 ; wings of, 574, 575 ; eggs 



of, 564. 

 Lepidosteus, bony scales of, 586, 587", 593. 

 Lepisma, scales of, 559. 

 Lepralia. 492-497. 

 Lever of Contact, 216. 

 Levant Mud, microscopic organisms of, 



630-633. 

 Lever-Stage, 128, 707. 

 Lichens, 333, 334. 

 Licmojihora, 295, 296. 

 Lieberkiihn, speculum of, 146; mode of 



using, 179, 180. 

 Light, suuable for Microscope, 154-157 ; 



position of, 157; arrangement of, for 



transparent objects, 169-176 ; for opaque 



objects, 177-180. 

 Liquid Glue, use of, 218. 

 Lister, Mr., his improvements in Achro- 

 matic lenses, 75, 76. 

 Liver, structure of, 609; morbid, 663. 

 Lungs of Reptiles, 624 ; of Birds, 624, 625; 



of Mammals, 626; morbid, 658. 

 Lymnceus, development of, 521, 522. 



Magnetic Stage, 130. 



Magnifying power, mode of determining, 

 199,200; augmentation of, 161; of dif- 

 ferent objectives, 192-196. 



Mahogany, section of. 383. 



M-A.iiMALS, bone of, 587 ; teeth of, 589-591 ; 

 hairs, &c., of, 593-598; blood of, 598- 

 602; lungs of, 625. 



