320 



INDEX 



insects and disease, 124 

 instar, 93, 115 

 intercostal vessels, 287 

 intermaxillary glands, 197 

 intermediale, 268, 270 

 internal auditory foramen, 264 

 internal gills, 231 



secretions, 131 

 interparietal, 261 

 interstitial cells, 33, 37 

 intestine, 119, 137, 165, 206, 277 

 ischium, 163, 204, 269 



iter, 175, 216, 295 



joints, 270 

 jugal, 265 

 jugular vein, 172, 212, 289 



karyosome, 6 

 katabolism, 20 

 Keber's gland, 67 

 kidney, see excretory organ 



labial palp, 65 

 labium, 116, 126 

 labrum, 115, 126 

 lachrymal bone, 265 



duct, 219, 265, 266 

 lacinia, 115, 116 

 lacteals, 278, 289 

 lagena, 221 



lamina subgenitalis, 118 



lamina terminalis, 174, 216, 295 



larva, 49, 110, 113, 125, 150, 230 



larval shell, 62 



larynx, 207, 280 



lateral line, 179, 182, 231 



mass, 266 



vein, 172 



ventricle, 174, 215, 292, 293 

 leech, 76 



legs, see appendages 



Lepidoptera, 124 



Lepus, 255 



leucocytes, 168, 209, 282 



life-history, see development 



ligaments, 62, 259, 271 



ligula, 116 



lingua, 116 



linin, 18 



liver, 137, 165, 206, 277 



liver fluke, 45 



lobster, 92 



louping-ill, 128 



lumbar plexus, 219, 299 



vertebrae, 257 

 Lumbricus, 76 

 lung, 207, 244 



Lutraria, 61 



lymphatic system, 168, 213, 299 



lymph heart, 214 



macrogamete, 15 



macronucleus, 9, 13 



maggot, 113 



magnum, 268 



malaria, 25, 125 



malleus, 261, 264 



Malpighian body, 223 



Malpighian tubules, 119 



Mammalia, 255 



mammary glands, 256, 272 



mandibles, 94, 115, 266 



mandibular arch, 161, 199, 261 



mantle, 64 



manubrium, 260 



Mastigophora, 1 



maxilla, 94, 96, 115, 116, 201, 265 



maxilliped, 94, 96 



maxilloturbinal, 266 



Meckel's cartilage, 161, 200, 202, 261 



mediastinum, 282 



medulla oblongata, 175, 215, 296 



medullary canal, 174, 215 



groove, 193, 215 



medusoid, 42 



megalopa, 110 



membrane bones, 201, 261 



membranellae, 13 



mentum, 116 



Merostomata, 91 



meroblastic segmentation, 191, 235, 



247 



mesencephalic flexure, 174, 240, 250 

 mesencephalon, 174, 295 

 mesenchyme, 49 

 mesenteric artery, 211, 288 

 mesentery, 167, 208, 281 

 mesoderm, 193 

 mesonephric duct, 187, 305 

 mesonephros, 187, 222, 246, 305 

 mesonotum, 116 

 mesopterygium, 163 

 mesosternum, 260 

 metabolism, 20 

 metacarpus, 204, 269 

 metamorphosis, tadpole, 233 

 metanephros, 246, 305 

 metanotum, 116 

 Metaphyta, 2 

 metapleure, 133 

 metapterygium, 163 

 Metazoa, 1, 30 

 metencephalon, 175 

 Microhydra, 31 

 microgamete, 15 



