344 



INDEX 



288; Mendel's law of, 289-290*; of 



instincts, 305. 



Insecta, 6, 225, 227, 233, 261. 

 Instinct, 303-305 ; Honeybee, 303-304. 

 Interbreeding, 286. 

 Intercellular digestion, 155. 

 Interstitial cells, 118*, 119, 121, 123, 134. 

 Interzonal fibers, 30*, 31. 

 Intestine: Ascaris, 160, 161*, 162, 163; 



Crayfish, 195*, 201 ; Earthworm, 168*, 



169; Honeybee, 240, 241*, 252. 

 Intestino-tegumentary blood vessel, 172*, 



173- 



Intracellular digestion, 148, 155. 



Intussusception, a method of growth, 50. 



Invertebrata, 5. 



Irritability, 16, 17, 56. 



Isolation : geographical, 285-286 ; physi- 

 ological, 286. 



Jellyfish, 5, 139. 



Jennings, H. S., 38, 42, 46, 53, 57. 



Karyoplasm, 26. 

 Karyosome, 27*. 

 Katabolism, 13, 14*, 40-50. 

 King crab, 225, 228. 

 Kolliker, 35. 

 Kreidl, 208. 

 Kropotkin, 301. 



Labial palpus, 235*. 

 Labium, 235*. 

 Labrum, 216, 235*. 

 Lamarck, 273, 287. 



Larva: Crayfish, 216, 217*, 218; Honey- 

 bee, 252, 253*. 



Lateral blood vessel, 172*, 173. 

 Lateral line, 160, 162*. 

 Lateral nerve, 205. 

 Laveran, 88. 

 Leech, 190, 191*. 

 Leg: Crayfish, 196*, 198; Honeybee, 



2 3 6*-2 3 8. 



Lichen, 297. 



Liebig, 24. 



Life, origin, 8-10; phenomena, 8-25. 



Life cycle, 14-15, 80; Paramecium, 71-73. 



Ligula, 235*. 



Limnobiotic fauna, 277. 



Linin, 27*. 



Linnaeus, Carl, 4, 269*, 270. 



Lips, of Ascaris, 160. 



Liriope, 142. 



Liver, 201. 



Liver fluke, 158. 



Lobster, 229*, 230, 277. 



Locomotion, 17, 18: Ameba, 41-46, 42* 



44*, 45*, Crayfish, 221; Euglena, 85; 



Hydra, i29*-i3o; Paramecium, 64, 



65*, 66; Planaria, 154. 

 Loeb, J., 304. 

 Lumbricus terrestris, 164-190. 



Macrogamete, 89*, 90, 96, 98. 



Macrogametocyte, 89*, 90, 91. 



Macromere, 185*. 



Macronucleus, 60*, 67, 68-71, 81. 



Malacostraca, 226, 229. 



Malaria, 88, 89, 91, 92. 



Male, 98. 



Malpighi, 242, 271. 



Malpighian tubule, 241*, 242, 253. 



Mammalia, 3. 



Mandible: Crayfish, 195*, 196, 197, 216; 



Honeybee, 235*. 

 Mastigophora, 80, 81, 82. 

 Maturation, 103, 105*. 

 Maturity, 14, 71, 72. 

 Mauchamp sheep, 281. 

 Maxilla, 196, 197, 235*. 

 Maxillary palpus, 235*. 

 Maxilliped, 195*, 196, 197, 198. 

 Mechanistic theory of life, 23-25. 

 Medusa, 139, 140*, 141*, 142. 

 Megachile acuta, 264. 

 Melanion, 90. 

 Membrane!!, 62, 66*. 

 Mendel. Gregor, 274. 

 Mendel's law of inheritance, 289-290*. 

 Mentum, 235. 

 Meroblastic egg, 108*. 

 Merozoite, 89*, 90, 113. 

 Mesoblastic bands, 185*. 

 Mesoderm, no, 115 ; organs arising from, 



in: Earthworm, 186; Honeybee, 



252; Planaria, 154. 

 Mesoglea, 118*, 119, 125. 

 Mesohippus, 292. 

 Mesomere, 185*. 

 Mesothorax, 236. 

 Metabolism, 13, 14*, 17, 46, 72. 

 Metagenesis, 141-142. 

 Metamere, 4, 165. 



