508 INDEX. 



Lumbricus, see Earthworm 



Lung : Snail, 123-125 ; Rabbit, 347 ; Pigeon, 439, 453, 454 



Lymphatics: Rabbit, 359 



Malleus : Rabbit, 315 



Malpighian body : Rabbit, 364 



Malpighian tubule : Cockroach, 180 



Mammae : Rabbit, 335 



Mammalian skeleton : characters of, 292 



Mammals : characters of, 335 



Mandible: Cray fish, 150 ; Cockroach, 174 ; Rabbit, 317 ; Fowl, 423 



Mandibular arch : Dog-fish, 233 ; Rabbit, 316 ; Fowl, 419 



Mantle : Mussel, 94, 111 ; Snail, 122 



Mantle-cavity : Mussel, 95 ; Snail, 123-127 



Manubrium: Obelia, 32 



Manubrium mallei : Rabbit, 313 



Manubrium sterni : Rabbit, 302 ; Fowl, 408 



Manus : Rabbit, 329 ; fowtf, 426 



Mastoid portoin ; Rabbit, 311 



Mastoid process : Rabbit, 311 



Maxilla: Crayfish, 149, 150; Cockroach, 174, 175 ; 2Ja6&t7, 315 ; .FW, 417 



Maxillary arch : Rabbit, 314 



Maxillipede : Crayfish, 147, 149 



Maxillo-palatine process : .Fowtf, 417 



Maxillo-turbinal : Rabbit, 310 



Meatus auditorius externus : Rabbit, 312 ; Pigeon, 461 



Meatus auditorius internus : Rabbit, 312 



Meckel's cartilage : Fowl, 419 



Mediastinum : Rabbit, 348 



Medusa : Obelia, 32 



Meganucleus : Paramecium, 6 ; Vorticella, 11 



Membrane-bone: Rabbit, 291, 303 



Mentum : Cockroach. 175 



Mesencephalon : fla&&i, 391, 396, 399 



Mesenteron : Crayfish, 159, 160 ; Cockroach, 178, 179 



Mesentery : Dog-fish, 241 ; iJa&Sft, 341 



Mesethmoid : Rabbit, 307 ; Fowl, 414 



Mesoblast : CMcA;, 471 



Mesoblasticsometes: Chick, 475 



Mesoglcea, see Supporting lamella 



Mesonephros, see Wolffian body 



Mesonotum: Cockroach, 172 



Meso-pterygium : Dog-fish, 238 



Mesothorax : Cockroach, 172 



Metacarpus : Rabbit, 329 ; f owJ, 424 



Metacromion : Rabbit, 324 



Metanephros : Rabbit, 363 ; Pigeon, 455 ; C^icA, 481 



Metapleural canal : Amphioxus, 197, 212, 214, 216 



Metapleural fold : Amphioxus, 189 



Metapophysis, Rabbit, 294 ; see also Vertebra 



Meta-pterygium : Dog-fish, 238 



Metastoma : Crayfish, 150 



Metatarsus : Rabhit, 334 ; Fowl, 427, 428 



Metathorax : Cockroach, 172 



Metosteon : Fowl, 409 



Micro-nucleus : Paramecium, 6 ; Vorticella, 11 



Mid-brain, see Mesencephalon 



Mid-gut, see Mesenteron 



Molar teeth : Rabbit, 322, 323 



Monocystis, 13-16 



Morula : Liver-fluke, 43 



Mouth : Paramecium, 6 ; Hydra, 20 ; Liver-fluke, 35 ; Zeecft, 47, 49 ; Earthworm, 68, 70 ; 



Mussel, 96, 107 *, 5?iat7, 119 ; Crayfish, 144, 160 ; Cockroach, 173 ; Anvhioxus, 189, 



204. 206 ; Dog-fish, 220 ; JJa&&#, 336 ; Pigeon, 433 ; see ata> Buccal cavity 

 Muscle, bursalis : Pigeon, 460 



columellar : Snail, 122 



mandibular: Rabbit, 372 



of eyeball : Dog-fish, 274 ; Pigeon, 460 



of nictitating membrane: Pigeon, 460 



pectoral : Pigeon, 434 



