402 INDEX AND GLOSSARY. 



Acetic acid, 67, 



Acetate of potass, 75. 



Achyla, 136. Microscopic plants, either Algae or fungi, 

 found parasitically on the bodies of dead flies in water, also 

 on fish, etc. 



Achorion Schcenleinii, 329. A microscopic vegetation oc- 

 curring infavus (a skin disease). 



Achromatic (Gr. a, and chroma, color). Without chromatic 

 aberration. 



Achromatic object-glasses, 25. 

 u condenser, 33. 



Acinetse, 162 (Gr. akinete, fixed). Infusorial animals, for- 

 merly supposed to be intermediate stages in the development 

 of Torticellse. 



Accessories, microscopic, 32. 



Actinia, 165 (Gr. aktin, a sun ray). Sea anemones, or Ac- 

 tinoid polyps. Formerly called animal flowers. 



Acids, tests for, 109. 



Adenoma, 272, 287 (Gr. aden, a gland). A glandular tu- 

 mor. 



Adenoid Tissue, 194. Glandular tissue. 



Adulteration of food, 323. 



Adjustment, 51. 



JEcidium, 363 (Gr. wheel-like). Minute parasitic fungi 

 (Order, Coniomycetes or Uredoideae], like little cups with red- 

 dish or brownish spores when mature. Earlier they are mi- 

 nute spots on the plants they infest. Known as " blight," 

 " brand," etc. 



^Etiology, 321 (Gr. treatise on causes'). The doctrine of 

 the causes of disease. 



JEroscope, 321. 



Agriculture, microscope in, 18. 



Air-pump, 79. 



Albuminous infiltration, 244. 

 " compounds, 184. 



Albuminuria, 303. 



Alcohol, 68, 108, 252. 



" and acetic acid, 68. 

 " and soda, 68. 



