INDEX 



Aberration, chromatic, 26. 



of lenses, 21. 



spherical, 26. 



Abraham's reflecting prism, 172. 



Absorption bands, 128. 



Acalephae, 491. 



Acarina. 632. 



Acarus beetle, 455. 



cloth moth, 641. 



domesticus, 637. 



of dog, 634. 



farinas, 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, 40i. 



vorticella, 447. 



Acineta tuberosa, 411, 449. 

 Actinia actinozoa, 465. 



rubra, 483. 



bellis, 484. 



Ac.tiniforum zoophytes, 485. 

 Actinophrys sol, 374. 

 Actinotrocha, 578. 

 Actinozoa, 485. 

 Adams' microscope, 10. 

 Adipose tissue, 693. 

 Adulteration of food, 345. 

 jEcistes, 451. 

 -Ecidium, 293. 

 Agates, 399. 



Alcyonella stagnorum, 526. 

 Alcyonidse, 489, 524. 

 Alcyonium digitatum, 489. 



polypidoms, preparation of, 509 



Alder, section of, 334. 

 Algse, 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 alsinastrum, 321. 



Analysis, spectrum, 735. 



Angle of aperture, 44 



of incidence, 16. 



of refraction, 17. 



mode of measuring, ib. 



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 tissues, 665. 



cellular membrane, 692. 



connective tissue, 662. 



elementary substance, 659. 



epithelium, 668. 



fibrous tissue, 694. 



kingdom, division of, 866. 



life, 655. 



structure, 661. 



structure, mode of investigating, 



724. 



tissues classified, 692. 



tissue consolidated, 702. 



tissues, staining, 225. 



Annelida, 575. 



Annulosa, 559. 



Anobium, 633. 



Antenna? of insects, 607. 



Amyot's finder, 1S8. 



Aphides, 613. 



Aphrophora bifasciata. 615. 



Aplanatic doublet iens; 28. 



Aplysia, 529. 



Aquatic box, 194. 



Arachnida, 631, 644. 



Arachnoidiscus, 43l'. 



Archer on amoeboid bodice, 277. 



Arcella acuminata, 372. 



Arenicola, 576. 



Aristophanes, microscope known to, 5. 



Artemise, 557. 



Articulata, 579. 



Asci of lichens, 305. 



3 c 



