804 



INDEX 



Microhydra, 149, 166 



Microlethical egg, 217 



Micro meres, of Ctenophora, 215, 216 : 

 of Polyclad, 269 : of Chiton, 700 : of 

 Gastropoda, 730 



Micronucleus, of Dinoflagellata, 81 : of 

 Ciliata, 95 : of Paramazcium, 91. 92 



Micropyle, 22 : of Cephalopoda, 775 



Microspheric forms, 56, 57 



Microspores, of Radiolaria, 65 



Microstomum, 278 



Microzooid of Vorticella, 98, 99 



Miescher's corpuscles, 90* 



Migration of parasites, 280* 



Miliola, 53 



Millepora, 156, 158 



Millepora alcicornis, 157, 158 



Millipedes, 514, 598 



Minyas, 200, 224 



Miocene, 7 



Miracidium, 240* 



Mites, 514, 637, 646, 649, 652, 656 



Mitosis, 18*, 19 



Mitotic division -See Mitosis 



Modiola, 680, 685 



Mollusca, 663* : General remarks, 780 



Molluscoida 333* : mutual relation- 

 ships of the classes, 365 



Monaxonida, 113* 



Mongrels, 2*- 



Momezia, 284 



Monocyclica, 405* 



MONOCYSTIS AGILIS, 82, 83 : Syste- 

 matic position, 84 



Monoecious, 40* 



Monoienetica, 249*, 253, 254, 260, 

 262, 263, 264, 268, 273, 279, 282, 

 283 



Monomyaria, 680* 



Monnsiga, 79 



Monotus, 251 



Monozoa, 249* 



Morphology, 3* 



Morula, 24* 



Moruloidea, 227* 



Mosquitoes, 619, 636 



Mother-cyst, 278 



Mother-of-pearl, 666 



Moths, 620 



Mouth papillae, 369* 



Movable cheek, 589, 590* 



Mulberry body, 24* 



Muller's larva, 270 



Multicellular, 20* 



Multicellular gland, 26* 



Multi-cilia, 95, 96 



Multiple fission, of Euf/lena, 71 



Murex, 725, 727 



Muscle, striated, 29*, 30 : non-striated, 

 29*, 30 



Muscle processes, Hydra, 148 



Muscles, 37*, 38 



Muscular fibres of Sponges, 112 



Muscular system, of Aurelia, 171 : Sea- 

 anemone, 184, 187 : Magellania, 

 357 : Brachiopoda, 362 : Hirudo, 

 496, 497 : Apus, 519 : Astacus, 533, 

 534 : Crustacea, 578 : Periplaneta, 



607 : Anodonta, 667 : Pelecypoda, 

 679 



Muscular tissue, 29*, 30 



Mushroom coral, 203 



Mussels, 663 



Mya, 678 



Mya arenaria, 680 



Mycetozoa. 45* : Example, 68, 69 : 

 Sporangium, 68, 69 : Capillitixim, 68, 

 69 : Spores, 68, 69 : Flagellula, 68, 

 69 : Plasmodium, 68, 69 : General 

 remarks, 69 : Protomyxa, 69 



Myonieres, of Apus, 519 



Myonemes, 82* 



Myosoma, 347 



Myriapoda, 514, 598*, 660, 661, 662 : 

 Distinctive characters and classifica- 

 tion, 598 : General organisation, 600 : 

 External features, 600 : Integument 

 and Body-wall, 600 : Alimentary 

 canal, 601 : Heart, 601 : Respira- 

 tory system, 601 : Nervous system, 

 601 : Reproduction, 601 : Ovum, 

 601 : Fossil remains, 602 



Myriothela, 144, 148, 149 



Mysidacea, 553*, 568, 579, 582, 584, 

 588 



Mysis, 553, 567, 584 



Mytilus, 678, 679, 685, 686, 687, 691 



Mytilus edulis, 679, 684 



Mytilus latus, 679 



Myxidium lieberkilhnii, 89, 90 



Myxobolus mulleri, 89 



Myxospongiee, 113*, 121, 126 



Myxosporidea, 90* : Characteristic 

 features, 89 



Myzostoma, 478, 479 



Myzostomida, 429, 477*, 478, 479 



N, 



ACRK, 666* 



Nnis, 475 



NarcomedusEe, 142*, 155, 156 



Natural History, 1* 



Nauplius, 525, 526 



Naiisithde, 179 



Nautiloids, 663, 767 



Nautilus macrompJial'ifi, 757, 766 



NAUTILUS POMPILIUS, 754 : Shell, 754 : 

 External characters of soft parts, 

 755 : Maul lo ami mantle-cavity, 759 : 

 Enteric canal, 761 : Coelome, 761 : 

 Heart and circulation, 761 : Renal 

 organs, 763 : Nervous system, 764 : 

 Sense organs, 765 : Reproductive 

 organs, 765 : Systematic position, 767 



