190 



INDEX. 



Lithobius, 133. 

 Lithocystis, 67. 

 Live-box, 4. 

 London pride, anthers 



of, 39. 



Longitudinal, 30. 

 Lunate, 147. 

 Lyngbya, 85. 

 Magnification, 175. 

 Magnifying power, 17. 

 Mammalia, 113. 

 Mandibles, of insects, 



147. 



, of Spiders, 130. 



Mantle, 123. 

 Marrow, 114. 

 Matrix, 91, 96. 

 Maxillae, 147. 

 Medium. 168. 

 Medulla,' 35. 

 Medullary sheath, 35. 

 Melanosporeae, 64. 

 Melobesia, 67. 

 Melosira, 79. 

 Membrane, 31. 

 Membranipora, 126. 

 Mentum, 147. 

 Merulius, 98. 

 Micrasterias, 74. 

 Micropyle, of seeds, 46. 

 Microscope, 1. 



, simple, 5. 



Midrib, 50, 



Mignonette, seeds of, 42. 

 Mildew, 101. 

 Mirror, 2, 3. 

 Mitriform, 55. 

 Mollusca, 122. 

 Monadina, 159. 

 Monas, 159. 

 Moniliform, 31. 

 Monocotyledons, leaves 



of, 35. 



, seeds of, 43. 



, stems of, 36. 



Monoecious, 38. 

 Mosses, 54. 

 Moths, 144. 

 Mould of paste, 111. 

 Moulds, 96. 

 Mounting, 10. 

 Mouth of insects, 147. 



Mucedines, 105. 

 Mucor, 111. 

 Muscles, 115. 

 Mushroom, 97. 

 Mustard and cress, 43. 

 , cotyledons of, 44. 



Mycelium, 96. 

 Myriapoda, 133. 

 Nacre, 123. 

 Nassula, 162. 

 Needles, mounted, 4. 

 Nemaspora, 100. 

 Nerves, of leaves, 31. 

 Neuroptera, 145. 

 Newt, 120. 



Nicol's prism, 6, 184. 

 Nitella, 88. 

 Nitzschia, 78. 

 Nodding, 59. 

 Nodule, 79. 

 Nostoc, 86. 

 Nucleolus, 21. 

 Nucleus, 21. 



, of Infusoria, 159. 



, of ovule, 45. 



Oak-apple, 111. 

 Oat, 23. 

 Object-glasses, 2. 

 Oblique, 30. 



light, 9. 



Obovate, 57. 

 Obtuse, 50. 



Ocelli, of Spiders, 130. 

 Oidium, 105. 

 Opegrapha, 94. 

 Operculum, 55. 

 Optic axes, 183. 

 Orange, rind of, 40. 

 Organs, vegetable, 31. 

 Oscillatoria autumnalis, 

 84. 



nigra, 85. 



Oscillatoriaceae. 84. 

 Ovary, of animals, 137. 

 , of plants, 37, 40. 



Ovate, 56. 



O vigorous vesicles, 154. 



Ovisacs, 154. 



Ovules, 45. 



Ovum, 113. 



Oxytricha, 161. 



Oyster-shell, 123. 



Paleze, 37. 

 Palmella, 88. 

 Palmellaceae, 87. 

 Palpi, of insects, 147. 

 Papilla, 39. 

 Papilke, of skin, 116. 

 Papillose, 39. 

 Paramecium, 161. 

 Paraphyses, 61. 

 Parenchyma, 20. 

 Parmelia, 91. 

 Pear, 29. 

 Pearls, 123. 

 Pectinate, 69. 

 Pediastrum, 74. 

 Pedicels, 103. 

 Pencil, 128. 

 Penicillium, 106. 

 Perianth, 37. 

 Pericarp, 40. 

 Perichaetial, 60. 

 Peridiola, 110. 

 Peridium, 99, 100. 

 Perigonial, 61. 

 Perispore, 65. 

 Peristome, 55. 

 Perithecium, 107. 

 Petals, 37, 38. 

 Peziza, 107. 

 Phases, 184. 

 Phragmidium, 101. 

 Physarum, 99. 

 Physomycetes, 110. 

 Pigment, 117. 

 Pileus, 97. 

 Pinnae, 51. 

 Pinnate, 51. 

 Pinnatifid, 50. 

 Pinnularia, 79. 

 Pinnules, 51. 

 Pistil, 37. 

 Placenta, 45. 

 Pleurenchyma, 26. 

 Pleurocarpi, 55. 

 Pleurosigma, 79. 

 Plocamium, 69. 

 Plumose, 127. 

 Plum-stone, 29. 

 Plumule, 43. 

 Podetia, 93. 

 Podophrya, 162. 

 Podura, 134. 



