INDEX. 



ABERRATION, CHROMATIC, 26. 



of lenses, 21. 



spherical, 26. 



Abraham's reflecting prism, 172. 

 Absorption bands, 1S8. 

 Acalephse, 491. 

 Acarina,632. 

 Acanis 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, 40x. 



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, 693. 



Adulteration of food, 345. 



^cistes, 451. 



^cidium, 293. 



Agates, 399. 



Alcyonella stagnorum, 526. 



Alcyenidae,489, 524. 



Alcjonium digitatum, 489. 



polypidoms, preparation of, 509. 



Algae, 'development of, 269. 

 Alkaloids, sublimation of; 73L 

 Amici's microscopes, 12. 



prisms, 82. 



Amphistome conicum, 565. 

 Amphitetras, 416. 



Amoeba, 373. 



Amoeboid state of volvox, 277. 

 Anacharis alsinastrum, 32L 

 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. 



AniniAl 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, 366. 



life, 655. 



structure, 66L 



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 iens; Mi 



Aplysia, 529. 



Aquatic box, 194. 



Arachnida, 631, 644. 



Arachnoidiscus, 432. 



Archer on amoeboid bodies, 277. 



Arcella acuminata, 372. 



Arenicola, 576. 



Aristophanes, microscope known to, J, 



Artemise, 557. 



Artieulata. 579. 



Asci of lichens, 305, 



3c 



