412 INDEX AND GLOSSARY. 



Cryptogamia, 152 (Gr. kryptos, hidden, and gamos, marriage). 

 Plants with inconspicuous sexual organs. 



Crustacea, 172. 



Cyclops, 173. 



Cypris, 173. 



Cystin, 314. 



Cryptococcus, 325. 



Cyclosis, 129. Fluid circulation in plant-cells. 



Dammar mounting, 74, 79. 



Darkens selenite stage, 44. 



Dark-ground illumination, 35. 



Daphnia, 173. A genus of microscopic Crustaceans. The 

 water flea. 



Deane's compound, 74. 



Dead cells, 229. 



" cell-membrane, 230. 



Decapoda, 174 (Gr. deka, ten; poda, feet). 



Decaying protoplasm, 229. 

 " nerve, 230. 

 " fat cells, 231. 

 " connective tissue, 231. 

 " - elastic fibre, 231. 

 " cartilage, 231. 

 " 6owe, 231. 



Decomposing blood, 229. 



Degeneration of tissues, 232. 



Demodex folliculorum, 179. 



Definition, 54. Power to give a distinct image. 



Dental tissue, 192. 



Dentine, 196. 



Development of tissues, 201. 



Dentzia scabra, 132. 



Development of fungi, 137. 



Desmidiaceae, 140. A family of Confervoid Algse. Micro- 

 scopic fresh-water organisms, generally green; epidermis not 

 silicious, as is the case with Diatoms. Reproduce by cell- 

 division, b} r zoospores, and by conjugation. The latter form 

 produces a sporangium, which is sometimes spiny, and has 

 been described as a species of Xanthidium. 



