294 



INDEX 



Ingestion, 5, 134, 147, 157, 191, 



197, 223 



Innominate vein, 52 

 Insertion of muscles, 21 

 Intermedium, 31, 36 

 Internal carotid artery, 49 

 Interradial axis, 275 

 Interzonal fibres, 115 

 Intestinal glands, 41 

 Intestinal vein, 55 

 Intercellular substance, 99 

 Intercellular network, 97 

 Introversion, 255 

 Iris, 17, 69 

 Irritability, 9 

 Ischium, 32 

 Isogamete, 200 

 Isogamy, 169 

 Isolation, method of, 257 

 Iter (see Sylvian aqueduct) 



Jaws, 7, 26 



Jelly (see Mesogloea) 



Jugular veins, 52 



Karyokinesis, in 

 Karyosome, 120, 163 

 Katabolism, 8 

 Kidneys, 43 



Labium, 176 

 Lab rum, 175 

 Lacunae, bone, 104 

 Lamina terminalis, 65 

 Lankesteria ascidice^ 167 

 Large intestine, 40 

 Laryngeal artery, 50 

 Larynx, 18, 41 

 Lateral ventricles of brain, 64 

 Lecithin, 92 

 Lens, 69 



Lenticular body, 88 

 Leptoinedustz, 275 

 Leucocytes, 74, 75 

 Ligaments, 101 

 Ligamentum nuchao, 101 

 Line of Hensen, 96 

 Lingual artery, 49 



vein, 52 



Linnreus, 285 

 Liver, 40 



Liver cells, 87 

 Lobster, 10, 12 

 Lower jaw, 28 

 Lumbar artery, 51 

 Lunar bone, 37 

 Lungs, 8, 42 

 Lymph, 7, 20 

 Lymph hearts, 40 



Sacs, 20 



Macrogametes of Eudorina, 210 



of Monocystis, 169 



of Pandorina, 208 



of Plasmodium, 181 



of Volvox, 212 



of Vorticella, 239 

 Macrogonidia, 245 

 Malaria, 172 



Male pronucleus, 228, 241 

 Mandible, 28, 175 

 Mandibular nerves, 66 

 Mandibular vein, 52 

 Manubrium, 274 

 Mastiga/naba, 213 

 Mastigina, 213 

 M^astigophora, 187 

 Matrix of cartilage, 99 

 Maturation of ovum, 122 

 Maupas, 231 

 Maxilla, 27, 175 

 Maxillary nerve, 66 

 Max Schultze, 78 

 Meckel's cartilage, 28 

 Medulla oblongata, 62 

 Medullary substance, nerve, 92 

 Medullated nerve fibre, 92 

 Medusa, 270, 274, 278 

 Meganucleus of Paramecium, 219 



of Vorticella, 238 

 Meiotic, 117 

 Melanin, 179 

 Membrane bones, 27, 106 

 Membranes of Krause, 96 

 Mento-Meckelian bone, 28 

 Meridional cleavage, 127 

 Merozoite, 179 

 Mesenteric artery, 5 1 

 Mesentery, 38 

 Mesocuneiform bone, 37 

 Mesogloea, 253 

 Mesometrium, 44 



