446 INDEX 



Mastoid process : Babbit, 282 



Maxilla : Crawfish, 134 ; Cockroach, 158-159 ; Rabbit, 285 ; Fowl, 383 

 Maxillary axch : Rabbit, 284-286 

 Maxillipede : Crayfish, 133-134 

 Maxillo-palatine process : Fowl, 383 

 Maxillo-turbinal : RahUt, 280 



Meatus auditorius externus : Rabbit, 283 ; Pigeon, 426 

 Meatus auditorius internus : Rabbit, 282 

 Meckel's cartilage : Fowl, 386 

 Mediastinum : Rabbit, 322 

 Membrane-bone ; Rabbit, 264, 275 

 Mentum : Cockroach, 159 

 Meropodite, see Appendage 

 Mesencephalon : Rabbit, 358, 362-363, 365 

 Mesenteron : Crayfish, 143, 144 ; Cockroach, 162, 163 

 Mesentery : Dog-fish, 218 ; Rabbit, 315 

 Mesethmoid : Rabbit, 279-280 ; Fowl, 380 

 Mesoglcea, see Supporting lamella 

 Mesonephros : Dog-fish, 238, 241, 243 ; Rabbit, 335 

 Mesonotum : Cockroach, 156 

 Meso-pterygium : Dog-fish, 216 

 Mesothorax : Cockroach, 155 

 Metacarpus : Babbit, 298 ; Fowl, 390 

 Metaoromipn : Babbit, 294 



Metanephrbs : Dog-fish, 238, 241, 243 ; Rabbit,3U ; Pigeon, 420 

 Metapleural canal : Amphioxus, 179, 190, 193, 193 

 Metapleural fold : Amphioxus, 171 

 Metapopbysis, see Yertetara 

 Meta-pterygium : Dog-fish, 216 

 Metastoma : Crayfish, 136 

 Metatarsus : Rabbit, 303 ; Fowl, 393-394 

 Metatborax : Cockroach, 156 

 Metosteon : Fowl, 375 

 Mid-brain : RabUt, 358, 362-363, 365 

 Mid-gut, see Mesenteron 

 Molar : Rabbit, 293 

 Morula : lAvei'-fiuJce, 33 



Moutb : Paramecium, 5 ; Hydra, 15 ; Livei'-fiuke, 27 ; Leech, 39, 41 ; Earthworm, 58, 59 ; 

 Mmsel, 84, 95 ; Simil, 105 ; Crayfish, 129, 144 ; Cockroach, 157 ; Amphioxus,. 

 171, 186 ; Dog-fish, 198 ; Rabbit, 305 ; Pigeon, 399 : see also Buccal cavity 

 Mucous canal : Dog-fish, 199, 262-263 

 Muscle, bursalis : Pigeon, 425 



columellar ; Snail, 108 



mandibular : Rabbit, 345 



of eyeball : Dog-fish, 248-249 ; Pigeon, 425 



of neck : RabUt, 344-345 



of nictitating membrane : Pigeon, 425 



pectoral : Pigeon, 400-401 



pyramidalis : Pigeon, 425 



quadratus : Pigeon, 425 



retractor penis : Snail, 118 



sterno-hyoid : Babbit, 344 



sterno-mastoid : Babbit, 344 



sterno-tbyroid : Rabbit, 345 



stylo-byoid : Rabbit, 344 

 Muscle-process : Hydra, 22, 23, 24 

 Muscular impression : Mussel-shell, 78-79 

 Muscular system : Leech, 53-54 ; Earthworm, 73 ; Mussel, 81 ; Amphioxus, 174-175, 185- 



186 ; see also Muscle 

 Musculi papillares : RabiM, 334 ; Pigeon, 418 

 Musbroom-shaped gland : Cockroach, 167 



Mussel, 76-102 ; sbell, 77-80 ; external characters, 81-84 ; gills, 85-88 ; ciixulatory 

 system, 88-90; excretory system, 91-93 ; nervous system, 93-95 ; digestive 

 system, 95- 96 ; reproductive system, 96-97 ; transverse sections, 97-102 

 Myopban striation : Pa7'a7necium, 4 ; Opalina, 7 ; Vorticella, 10 

 Myotome : Amphioxus, 171, 174, 185 



Nacreous layer : Mussel-shell, 80 ; Snail-shell, 107 

 Nasal bone : RabbU, 280 ; Fowl, 381 



