INDEX, 



Aberration, chromatic, 26, 



of lenses, 21. 



spherical, 26. 



Abraham's reflecting prism, 172. 

 Absorption bands, 128. 

 Acalejjhse, 491. 

 Acarina, 632. 

 Acarus beetle, 455. 



cloth moth, 641. 



domesticus, 637. 



of dog, 634. 



farinse, 639. 



of fly, 641. 



of fowl, 640. 



of rat, 634. 



sacchari, 638. 



scabiei, 635. 



of swallow, 639. 



Achetina, 627. 

 Achnanthes Longipes, 420. 

 Achorion, 296. 

 Achromatic condenser, 166. 

 corrections, 40. 



illuminator, 167. 



object-glasses, 42. 



Acineta-form infusoria, 401. 



vorticella, 447. 



Acineta tuberosa, 411, 449. 

 Actinia actinozoa, 465. 

 rubra, 483. 



bellis, 484. 



Actiniforum zoophytes, 485. 

 Actinophrj's sol, 374. 

 Actinotrocha, 578. , 



Actinozoa, 485. 



Adams' microscope, 10. 

 Adipose tissue, 6'.t3. 

 Adulteration of food, 345. 

 .^cistes, 451. 

 iEcidium, 293. 

 Agates, 399. 



Alcyonella stagnorum, 526. 

 Alcyouidae, 489, 524. 

 Alcyoiiium digitatum, 489. 



polypidoms, preparation of, 509. 



Alder, section of, 334. 

 Algte, development of, 269. 

 Alkaloids, sublimation of, 731. 

 Amici's microscopes, 12. 



prisms, 82. 



Amphistome conicum, 565. 

 Amphitetras, 416. 



Amoeba, 373. 



Amoeboid state of volvox, 277. 

 Anacharis alsinastruni, 321. 

 Analysis, spectrum, 735. 

 Angle of aperture, 44 



of incidence, 16. 



of refraction, 17. 



mode of measuring, 45. 



Anguillulse, 571. 

 Anguinaria spatulata, 520. 

 Animalcule, sun, 374. 

 Animalcules, 402. 



cage, Varley's, 195. 



collecting, 193 



history of, 4C3, 



infusorial, 414. 



Animal cell, 659. 



action of cilia in, 671. 



bodies, injecting, 231. 



cells, change into ti.ssues, 665 



cellular membrane, 692. 



connective tissue, 662. 



elementary substance, 659. 



epithelium, 668. 



fibrous tissue, 694. 



kingdom, division of, 366. 



life, 655. 



structure, 661. 



structure, mode of Investigating, 



724. 



tissues classified, 692. 



tissue consolidated, 702. 



tissues, staining, 225. 



Annelida, 675. 



Annulosa, 559. 



Anobiuin, 633. 



Antennse of insects, 607. 



Amyot's finder, 188. 



Aphides, 613. 



Aphrophora bifasciata, 615. 



Aplanatic doublet lens, 26. 



Aplysia, 529. 



Aquatic box, 194. 



Arachnida, 631, 644. 



Arachnoidiscus, 432. 



Archer on amoeboid bodies, 277. 



Arcella acuminata, 372. 



Arenicola, 576. 



Aristophanes, microscope known to, 2. 



Artetnia;, 557. 



Articulata, 579. 



Asci of lichens, 305. 



