206 



INDEX. 



Jelly fishes, 155. 

 Jugging bumblebees, ITS. 



Katydid, 29, 170. 

 Keratin, 114. 



Labellse, 43. 



Lamellibranchiata, 138. 



Larva, 34. 



Leaf -cutting ant, 53. 



Leech, 149. 



Libellulidas, 47, 172. 



Lingual ribbon, 148. 



Locomotion of fishes, 86; clam, 



188; earthworm, 146. 

 Locustidce, 39. 



Logical definition, 56, 78, 129, 168. 

 Logical identity, 67. 

 Lung fishes, 86. 



Madreporic body, 158. 



Maggot, 45. 



Mammals, 130. 



Mantidse, 31. 



Mantis, 31. 



Melanoplus differentialis, 170. 



Melanoplus spretus, 24. 



Metamorphosis, 23, 35. 



Mice, 180. 



Micrographic camera, 180. 



Migration of birds, ,117. 



Mimicry, 86. 



Minnow, 85. 



Mollusks, 188, 149, 164. 



Molting, 23. 



Mosquito, 45. 



Mosquito hawk, 46. 



Moth, 34, 171. 



Mounting microscopic objects, 



177. 

 Muciparous glands, 89. 

 Mud nests, 52, 172, 



Muscle fiber, 20. 

 Mussel, 152. 

 Myenia fluviatilis, 160. 

 Mylohyoid muscle, 95. 

 Myriapoda, 65. 



Names, rules for, 26. 



Nectar, 50. 



Nematocysts, 156. 



Neuroptera, 46. 



Neuters, 50. 



Nictitating membrane, 104, 184. 



Notebook, 10, 176. 



Notochord, 86, 132. 



Nucleus, 87, 116. 



Number of species of insects, 59. 



Odonata, 47. 

 Odontophore, 144. 

 Ontogenetic series, 101-108. 

 Orders of insects, 54, 183 ; of rep- 

 tiles, 120, 184. 

 Orthoptera, 31. 

 Ostracoda, 75. 

 -Oyster, 140, 174. 



Paramoecium, 162, 175. 



Parasites, 25. 



Parthenogenesis, 41. 



Pedicellarise, 158. 



Peristome, 160. 



Phalangidea, 62. 



PhasmidfB, 80. 



Phylogenetic series, 108. 



Pigeon, 104. 



Pisces, 85. 



Plant lice, 41, 53. 



Poison of bee, 50 ; of spiders, 63. 



Pollen, 50, 



Pollen basket, 47, 



Porifera, 157, 167, 183. 



