426 INDEX AND GLOSSARY. 



Oxalic acid, 67. 



Oxalate of. ammonia, 108. 

 " " lime, 313. 



Pabulum, 118, 183. Nutritive material of cells. 



Pacinian fluid, 75. 



" corpuscles, 218. 



Papilloma, 285. Papillary tumor. 



Palaeontology, 97. Science of fossils. 



Palmellacese, 139. A family of Confervoid Algae. 



Palate of Molluscs, 171. Tube set with siliceous teeth. 



Parasites, 324. (Gr. para, by the side of, and sitos, nour- 

 ishment). 



Parapliyses, 154. Elongated cells in spore-cases of lichens- 



Parasitic Crustacea, 173. 



Parthenogenesis, 126. Reproduction without sexual union. 



Pathological histology, 226. 

 " specimens, 227. 



" new -formations, 262. 



Parabolic illuminator, 36. 

 " speculum, 37. 



Pancreas, 210. A salivary gland of the intestines. 



Penetration, 55 Exhibition of structure below the focal 

 layer. 



Periscopic eye-piece, 26. 



Perforating glass, 78. 



Penicillium, 136, 325. A species of mould-fungus. 



Peristome, 154, Toothed fringe or spore-capsule of mosses. 



Pernicious ansemia, 297. 



Perivascular Canals, 207. Lymphatic sheaths of vessels. 



Peyer's Glands, 209. Aggregations of glands in the walls of 

 intestines. 



Pigmentation, 242. Infiltration of pigment. 



Pigment bodies, 232. 

 " in lungs, 242. 

 " bacteria, 326. 



Pistillidia, 154. Female organs of mosses, etc. 



Phosphates, 313. 



Photography, microscopic, 48. 



Plant-sections, 153, 347. 



