INDEX. 



Aberrattox, chromatic, 26. 



of lenses, 21. 



spherical, 26. 



Abraham's reflecting prism, 172. 

 Absorption band3, 128. 

 Acalephae, 491. 

 A carina, 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, 4 CO. 

 Achorion, 296. 

 Achromatic condenser, 166. 



corrections, 40. 



illuminator, 167. 



object-gla?ses, 42. 



Acineta-form infusoria, 401. 



vorticella, 447. 



Acineta tuberosa, 411, 449. 

 Actinia actinozoa, 465. 



rubra, 483. 



bellis, 484. 



Actiniforum zoophytes, 485. 

 Actinophrys sol, 374. 

 Actinotrocha, 578. 

 Actinozoa, 485. 

 Adams' microscope, 10. 

 Adipose tissue, 6'JS. 

 Adulteration of food, 345, 

 .<Ecistes, 451. 

 ^Icidium, 293. 

 Agates, 399. 



Alcyonella stagnorum, 526. 

 Alcyonidae, 489, 524. 

 Alcyonium digitatuin, 489. 



polypidoms, preparation of, 



Alder, section of, 334. 

 Algse, development of, 269. 

 Alkaloids, sublimation of, 731. 

 .Amici's microscopes, 12. 



prisms, 82. 



Amphistome conicum, 565. 

 Amohitetras, 416. 



509. 



Amoeba, 373. 



Amoeboid state of vol70X, 277. 

 Anacharis alsinastrum, 321. 

 Analysis, spectrum, 735. 

 Angle of aperture, 44. 



of incidence, 16. 



of refraction, 17. 



mode of measuring, 45. 



Anguillulae, 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, 6u5. 



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, 575. 



Annulosa, 559. 



Anobium, 633. 



Antennae 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 in, 2 



Artemise, 557. 



Articulata, 579. 



Asci of lichens, 305. 



C 



