556 



COMPARATIVE ANATOMY 



Mceandrina, 71 

 Marjosphcera, 11 ; planiila, 11 

 Maja, 299 ; Zocea of, 396 



„ squinado, nervous system, 346 

 Mala interna and externa, 446 

 Mi-dacuhddUaa, 178 

 Malacoderjnata, 44-^ 

 Malacostraca, ^9S ; pleopopa, 324 

 Malloplmga, JfJfO 

 Malpighian vessels, 460, 462 ; (Arachn. ), 



525 ; (Tardigr.), 545 

 Mantidm, 439 

 Mantispa, 441 

 ■Margelis ratnosa^ 63, 67 

 Marginal lobes, 71, 92 ; vesicles, 75 

 Mastigojjhora, 7 

 Mastoiranchus, 253 

 Mecostethiis, 439 

 Mediiscc, 67, 71 

 Miyrdcpa, larva, 396 

 Mcgcdoptera, 441 

 Melicerta, 185 

 Meloidce, 441 



Melolontha vulgaris, sexnal organs, 486 

 Melophagus, 44S 



,, ovinius, sexual organs, 486 



Mermecophila, 4^9 

 Merniis nigrescens, 179 

 liermithidce, 179 

 Merocytes, 126 

 Merostomm, 415 

 Mesenterial filaments, 75, 83 

 Mesostoma, 134 ! intestinal and nervous 

 system, 142 ; pharyngeal 

 apparatus, 139 

 ,, Bhrenbergii, sexual (organs, 



158 

 Mesothorax, 444 

 Meta, 510 

 Metagenesis, 115 

 Mcl'ino.iipUus larva, 389 

 Metapneustic tracheal system, 482 

 Metathorax, 444 

 Metazoa, 4 ; divisions of, 57 

 Microlepiidopiera, 44-! 

 Micromeres, 122-131 

 Micrommata, 510 

 Micronucleus, 9, 18 

 Micropt&ryx, 44^^ 

 Micropyle, 28 

 Microspores, 20 

 Microstoma, 134 



,, lineare, 166 



Microthelyphonidce, 509 

 Miliola, 4, B 

 Millepora, 67 

 Miris, 440 

 Misidw, 397 

 Mitrocoma, 94 

 Moina, 390 



,, rectirostris, ontogeny, 397 

 Munas, 8 

 Monera, 2, 4 



Moniligaster, 181 



Monocystidce, 9 



Monogenetio Trematoda, 134 



Monostomum, 134 



Monothalamia, 16 



Monotus, 134 



Monozoa, 134 



MuUer's larva, 168 



Munnopsis typica, antennules, 308 



Muscidce, 443 ; development, 500, 501 



Mygale, 510 ; anatomy, 531 



,, ccementaria, digestive apparatus, 

 524 

 Myoblasts, 49 

 Myophriscs, 15 

 Myrianidce, 182 

 Myriapoda, 438 

 Myrnieleon, 441 



Mysidce, Z97 ; antennal gland, 369 

 Mysis fiexuosa, thoracic feet, 321 



,, relicta, 349 



,, larva, 298, 392 

 Mysodopsis, 365 

 3Iystacides, 441 

 Myxicola, 182 

 Myxilla, 61 

 Myxodiction, 4 

 Myxopodia, 14 



Myzostoma, nervous system, 224 ; section, 

 263 

 ,, cirriferum, organisation, 262 



Myzostomidce, 182 



Nadina, 134 



Na.idomorpha, 181 



Nais, 181 

 ,, harbata, 267 



Xarcomedusce, 69 



Nassdla, 7 



Nassellaria, 7 



JVaucoris, 440 



KavpUvs, 307, 386, 390 



Nausitlwe, 72, 77 ; sensory bodies, 96, 

 116 



Nehalia, 293 ; antennules, 308 ; mandibles, 

 311 ; olfactory tubes, 356 ; 

 pleopoda, 324 ; thoracic foot, 

 317 

 ,, Geoff royi, 293 



Nebalidai, 293 



Nebaliopsis, 292 



Nectophore, 110, 112 



Nemathelmia, 178 



Nematocysts, 39, 81 



Nematoda, 178 ; diagram of nervous sys- 

 tem, 218 



Nemertes, 178 



Nemertina, 178 ; anterior end of body, 

 217 ; diagram of proboscis, 198 ; in- 

 testinal canal and genital organs, 205 ; 

 larva, 274 ; nephridial and circulatory 

 system, 235 ; section through body, 192 



Nemocera, 443 



